{"version":"2.1","snapshot":{"snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","schemaVersion":4,"classificationVersion":"wellficent-source-purpose-v2","classificationSha256":"83e4157601b4d73cb883d6e8578f9fe1ea467bb929d96a74071d77068ee8ca48","shardCount":4},"schema":"https://wellficent.com/api/v1/wells/schema","total":13155,"distinctSourceWellIds":8866,"page":319,"pageSize":40,"next_url":"https://wellficent.com/api/v1/wells?page=320&purposeGroup=development","catalogues":[{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"California Department of Conservation, Geologic Energy Management Division (CalGEM). Normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":1450,"sourceRows":4345,"termsUrl":"https://www.conservation.ca.gov/index/Pages/Use.aspx","id":"california-calgem-geothermal","name":"CalGEM — California public geothermal wells","source":"https://gis.conservation.ca.gov/portal/home/item.html?id=98dd3474b37c49d58db01ae65e157dbf","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:3310 (NAD83 / California Albers)","coordinateMethod":"PROJ EPSG:3310 to EPSG:4326; always_xy; no ballpark transform","currentStatusVerified":false,"exclusions":{"invalid-transformed-coordinates":775,"confidential-or-unspecified":675},"sourceSha256":"f90efb4642c0aadbd29f112d9b40b81905b3aae40cb49c2cef27996b4f8e5b99","coordinateTransform":"Inverse of California Albers + NAD83 to WGS 84 (1) (with axis order normalized for visualization)","companyNameSources":{"CALOC":"https://geosteam.conservation.ca.gov/GeoWellSearch/WellDetails?apinum=02590633"},"recordCount":2895,"distinctSourceWellIds":2895,"bounds":[-123.36656,32.679102,-114.699433,41.91455]},{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Contains information licenced under the BC Energy Regulator Open Data Licence. Normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":5497,"sourceRows":34425,"termsUrl":"https://www.bc-er.ca/files/gis/BCER-Open-Data-Licence.pdf","id":"canada-bcer","name":"BC Energy Regulator — Public well surface holes","source":"https://data-bc-er.opendata.arcgis.com/datasets/657b609ee3314adf91da5ab86d42cda7_0/explore","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"OGC:CRS84 (official export; native CRS not supplied)","coordinateMethod":"official-ArcGIS-Hub-export-spatialRefId-4326","currentStatusVerified":false,"exclusions":{"confidential-or-unspecified":5497},"sourceSha256":"ba2173fc6a1b874c38334ae8f0d3dd97394c456fe80c5d6ea97eeb339c4b8d25","recordCount":28928,"distinctSourceWellIds":28928,"bounds":[-132.9747684,48.6219577,-114.1909838,59.9963609]},{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":null,"sourceAsOf":"2020-07-06","positionAccuracy":null,"excludedRows":0,"sourceRows":609,"termsUrl":null,"id":"israel-petroleum-2020","name":"Index of Oil and Gas Wells in Israel","source":"https://www.energy-sea.gov.il/media/bwndxpjq/wells-from-prime_web.pdf","checkedAt":"2026-10-02","importedAt":"2026-10-02T22:36:29+00:00","sourceCrs":"EPSG:4326","coordinateMethod":"source-wgs84","currentStatusVerified":false,"sourceSha256":"ef17c8413a8e649e801822955079829e79b7ebc15d402d8f366bbd7eaa812034","sourceOrdinalGaps":[48,405,483,595,596],"recordCount":609,"distinctSourceWellIds":548,"bounds":[33.341657,29.897388,35.8009,33.258788]},{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":null,"sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":6729,"termsUrl":null,"id":"jordan-water-ufz","name":"UFZ — Jordan Water Wells","source":"https://www.ufz.de/arcgis/rest/services/Middle_East/Infrastructure_Hydrology/MapServer/2","checkedAt":"2026-10-02","importedAt":"2026-10-02T22:36:29+00:00","sourceCrs":"EPSG:32636","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"recordCount":6729,"distinctSourceWellIds":6729,"bounds":[34.984636,29.219145,39.038309,32.987766]},{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":979,"sourceRows":6737,"termsUrl":"https://www.nlog.nl/en/disclaimer","id":"netherlands-nlog","name":"TNO / NLOG — Netherlands boreholes","source":"https://www.nlog.nl/en/boreholes","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:23031 (ED50 / UTM zone 31N)","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"outside-hydrocarbon-geothermal-scope":979},"sourceSha256":"93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13","recordCount":5758,"distinctSourceWellIds":5758,"bounds":[2.816751,50.7586575,7.1811304,55.6810259]},{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"© Crown Copyright, New Zealand Petroleum & Minerals. Public well data reproduced with permission; normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":57,"sourceRows":1267,"termsUrl":"https://www.nzpam.govt.nz/about/copyright","id":"new-zealand-nzpam","name":"NZ Petroleum & Minerals — Public petroleum wells","source":"https://services3.arcgis.com/fp1tibNcN9mbExhG/ArcGIS/rest/services/Petroleum_and_minerals/FeatureServer/18","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:2193 / source coordinate field WGS84","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"not-explicitly-public":57},"sourceSha256":"0bef0448c41122a4e50c4c93c4177ac287bdf0d7340fb18076b0c4a52e0c5fdf","recordCount":1210,"distinctSourceWellIds":1210,"bounds":[167.1531861,-47.4445487,178.4618819,-35.1051235]},{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Norwegian Offshore Directorate (NOD/SODIR), NLOD 2.0. Normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":"NOD general disclaimer: approximately ±0–300 m unless otherwise stated; not for navigation.","excludedRows":64,"sourceRows":9845,"termsUrl":"https://data.norge.no/nlod/en/2.0","id":"norway-sodir","name":"Norwegian Offshore Directorate — Wellbores","source":"https://factmaps.sodir.no/api/rest/services/DataService/Data/FeatureServer/5000","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"ED50 / service geometry EPSG:4326","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"missing-coordinates":64},"sourceSha256":"e649556d781967fd50faf3689b5fc16ec87d602d3ae18bae2e6d482e733fd172","recordCount":9781,"distinctSourceWellIds":6024,"bounds":[-8.6995307,56.1249206,35.8371879,80.6831871]},{"reuseLicense":"unconfirmed","commercialUseAllowed":null,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":13383,"termsUrl":null,"id":"uk-nsta-offshore","name":"NSTA — UK offshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS_offshore_wellbore_top_holes_(WGS84)/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"ad10c28aabbd58cbd05f0692b3e8b18d929681e8afce4d92c4c5aeeaeadcefb8","sourceRetrievedAt":"2026-10-02T23:32:49+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=b5752e9f56a949e3ad44a08144e621a8","reuseNote":"ArcGIS item metadata does not specify a reuse licence; public access alone is not a licence.","recordCount":13383,"distinctSourceWellIds":8295,"bounds":[-9.8454471,48.5244231,3.35291,62.6562819]},{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062]}],"companies":[{"name":"Nederlandse Aardolie Maatschappij B.V.","role":"reported-owner","records":1748},{"name":"NAM","role":"original-operator","records":1077},{"name":"Nederlandse Aardolie Maatschappij B.V.","role":"original-operator","records":873},{"name":"SHELL U.K. LIMITED","role":"licence-origin-operator","records":748},{"name":"NEO NEXT + ENERGY RESOURCES UK LIMITED","role":"licence-origin-operator","records":746},{"name":"NEO NEXT + ENERGY RESOURCES UK LIMITED","role":"responsible-wellbore-operator","records":745},{"name":"SHELL U.K. LIMITED","role":"licence-td-operator","records":743},{"name":"NEO NEXT + ENERGY RESOURCES UK LIMITED","role":"licence-td-operator","records":736},{"name":"SHELL U.K. LIMITED","role":"responsible-wellbore-operator","records":728},{"name":"PERENCO UK LIMITED","role":"licence-origin-operator","records":651},{"name":"TAQA BRATANI LIMITED","role":"licence-origin-operator","records":648},{"name":"TAQA BRATANI LIMITED","role":"responsible-wellbore-operator","records":647},{"name":"TAQA BRATANI LIMITED","role":"licence-td-operator","records":642},{"name":"Nederlandse Aardolie Maatschappij B.V.","role":"drilling-contractor","records":638},{"name":"CNR INTERNATIONAL (U.K.) LIMITED","role":"licence-origin-operator","records":595},{"name":"CNR INTERNATIONAL (U.K.) LIMITED","role":"responsible-wellbore-operator","records":566},{"name":"APACHE NORTH SEA LIMITED","role":"licence-origin-operator","records":558},{"name":"APACHE NORTH SEA LIMITED","role":"licence-td-operator","records":542},{"name":"CNR INTERNATIONAL (U.K.) LIMITED","role":"licence-td-operator","records":541},{"name":"APACHE NORTH SEA LIMITED","role":"responsible-wellbore-operator","records":539},{"name":"PERENCO UK LIMITED","role":"responsible-wellbore-operator","records":441},{"name":"PERENCO UK LIMITED","role":"licence-td-operator","records":427},{"name":"APACHE BERYL I LIMITED","role":"licence-origin-operator","records":390},{"name":"APACHE BERYL I LIMITED","role":"responsible-wellbore-operator","records":390},{"name":"ENQUEST HEATHER LIMITED","role":"responsible-wellbore-operator","records":389},{"name":"ENQUEST HEATHER LIMITED","role":"licence-origin-operator","records":386},{"name":"APACHE BERYL I LIMITED","role":"licence-td-operator","records":380},{"name":"ENQUEST HEATHER LIMITED","role":"licence-td-operator","records":379},{"name":"BP AFRICA LIMITED","role":"licence-origin-operator","records":363},{"name":"BP EXPLORATION OPERATING COMPANY LIMITED","role":"licence-origin-operator","records":354},{"name":"BP EXPLORATION OPERATING COMPANY LIMITED","role":"responsible-wellbore-operator","records":324},{"name":"KCA Deutag Drilling Ltd","role":"drilling-contractor","records":285},{"name":"CHRYSAOR PRODUCTION (U.K.) LIMITED","role":"licence-origin-operator","records":277},{"name":"CNOOC PETROLEUM EUROPE LIMITED","role":"licence-origin-operator","records":266},{"name":"CNOOC PETROLEUM EUROPE LIMITED","role":"responsible-wellbore-operator","records":261},{"name":"CHRYSAOR PRODUCTION (U.K.) LIMITED","role":"licence-td-operator","records":260},{"name":"BP EXPLORATION OPERATING COMPANY LIMITED","role":"licence-td-operator","records":258},{"name":"ITHACA OIL AND GAS LIMITED","role":"licence-origin-operator","records":252},{"name":"ITHACA OIL AND GAS LIMITED","role":"responsible-wellbore-operator","records":252},{"name":"ADURA ENERGY LIMITED","role":"licence-origin-operator","records":250},{"name":"ADURA ENERGY LIMITED","role":"licence-td-operator","records":250},{"name":"ADURA ENERGY LIMITED","role":"responsible-wellbore-operator","records":250},{"name":"ITHACA OIL AND GAS LIMITED","role":"licence-td-operator","records":249},{"name":"CNOOC PETROLEUM EUROPE LIMITED","role":"licence-td-operator","records":243},{"name":"ITHACA SP E&P LIMITED","role":"responsible-wellbore-operator","records":234},{"name":"ITHACA SP E&P LIMITED","role":"licence-origin-operator","records":225},{"name":"ITHACA SP E&P LIMITED","role":"licence-td-operator","records":222},{"name":"NEO NEXT+ ENERGY E&P UK LIMITED","role":"licence-origin-operator","records":217},{"name":"NEO NEXT+ ENERGY E&P UK LIMITED","role":"responsible-wellbore-operator","records":217},{"name":"CHRYSAOR PRODUCTION (U.K.) LIMITED","role":"responsible-wellbore-operator","records":210},{"name":"Noble Drilling (Nederland) B.V.","role":"drilling-contractor","records":198},{"name":"NEO NEXT+ ENERGY E&P UK LIMITED","role":"licence-td-operator","records":196},{"name":"Eni Energy Netherlands B.V.","role":"reported-owner","records":192},{"name":"Tenaz Energy Netherlands B.V.","role":"reported-owner","records":172},{"name":"ISLAND GAS LIMITED","role":"licence-origin-operator","records":169},{"name":"Wintershall Noordzee B.V.","role":"reported-owner","records":136},{"name":"NEO NEXT+ ENERGY E&P NORTH SEA UK LIMITED","role":"licence-origin-operator","records":126},{"name":"ENI UK LIMITED","role":"licence-td-operator","records":119},{"name":"NEO NEXT+ ENERGY E&P NORTH SEA UK LIMITED","role":"licence-td-operator","records":119},{"name":"ENI UK LIMITED","role":"licence-origin-operator","records":117},{"name":"Drilltec Netherlands B.V.","role":"drilling-contractor","records":114},{"name":"NEO NEXT+ ENERGY E&P NORTH SEA UK LIMITED","role":"responsible-wellbore-operator","records":114},{"name":"IGAS ENERGY PRODUCTION LIMITED","role":"licence-origin-operator","records":113},{"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner","records":113},{"name":"FAIRFIELD BETULA LIMITED","role":"licence-origin-operator","records":101},{"name":"FAIRFIELD BETULA LIMITED","role":"licence-td-operator","records":101},{"name":"FAIRFIELD BETULA LIMITED","role":"responsible-wellbore-operator","records":101},{"name":"Transocean Drilling Ltd.","role":"drilling-contractor","records":101},{"name":"TotalEnergies EP Nederland B.V.","role":"reported-owner","records":100},{"name":"CHRYSAOR PETROLEUM COMPANY U.K. LIMITED","role":"licence-origin-operator","records":96},{"name":"CHRYSAOR PETROLEUM COMPANY U.K. LIMITED","role":"responsible-wellbore-operator","records":95},{"name":"Penrod International Drilling Company","role":"drilling-contractor","records":92},{"name":"CHRYSAOR PETROLEUM COMPANY U.K. LIMITED","role":"licence-td-operator","records":86},{"name":"Vermilion Energy Netherlands B.V.","role":"reported-owner","records":86},{"name":"DANA PETROLEUM (E&P) LIMITED","role":"responsible-wellbore-operator","records":77},{"name":"BRITOIL LIMITED","role":"responsible-wellbore-operator","records":75},{"name":"Ensco Offshore U.K. Limited","role":"drilling-contractor","records":75},{"name":"BRITOIL LIMITED","role":"licence-origin-operator","records":74},{"name":"BRITOIL LIMITED","role":"licence-td-operator","records":73},{"name":"DANA PETROLEUM (E&P) LIMITED","role":"licence-origin-operator","records":73},{"name":"CHRYSAOR (U.K.) BRITANNIA LIMITED","role":"responsible-wellbore-operator","records":72},{"name":"ENI UK LIMITED","role":"responsible-wellbore-operator","records":72},{"name":"DANA PETROLEUM (E&P) LIMITED","role":"licence-td-operator","records":70},{"name":"PREMIER OIL UK LIMITED","role":"responsible-wellbore-operator","records":67},{"name":"ADURA OPERATIONS LIMITED","role":"licence-origin-operator","records":65},{"name":"ADURA OPERATIONS LIMITED","role":"responsible-wellbore-operator","records":64},{"name":"BRIDGE PETROLEUM 3 LIMITED","role":"licence-origin-operator","records":64},{"name":"BRIDGE PETROLEUM 3 LIMITED","role":"responsible-wellbore-operator","records":64},{"name":"KCA Deutag","role":"drilling-contractor","records":64},{"name":"BRIDGE PETROLEUM 3 LIMITED","role":"licence-td-operator","records":63},{"name":"PREMIER OIL E&P UK LIMITED","role":"licence-origin-operator","records":63},{"name":"PREMIER OIL E&P UK LIMITED","role":"licence-td-operator","records":63},{"name":"PREMIER OIL E&P UK LIMITED","role":"responsible-wellbore-operator","records":63},{"name":"ITHACA ALPHA (N.I.) LIMITED","role":"licence-td-operator","records":61},{"name":"PREMIER OIL UK LIMITED","role":"licence-origin-operator","records":61},{"name":"CHRYSAOR (U.K.) BRITANNIA LIMITED","role":"licence-origin-operator","records":59},{"name":"Unocal Netherlands B.V.","role":"original-operator","records":59},{"name":"ITHACA ENERGY (UK) LIMITED","role":"licence-origin-operator","records":58},{"name":"SERICA ENERGY (UK) LIMITED","role":"licence-origin-operator","records":58},{"name":"SERICA ENERGY (UK) LIMITED","role":"responsible-wellbore-operator","records":58}],"records":[{"id":"nl-nlog-was-36","wellId":"2417","sourceRecordId":"WAS-36","name":"WASSENAAR-36","wellName":"WAS-36","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.1195758,"longitude":4.3509131,"operator":"NAM","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"NAM","role":"original-operator"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"drilling-contractor"}],"spudDate":"1966-05-19","completionDate":"1966-06-01","status":"Plugged and abandoned","depth":"1440 m MD · Rotary Table","basin":null,"area":"On-shore","sourceUpdatedAt":null,"measurements":[{"value":1440,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1299.11,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512162","purpose":"Development hydrocarbon","facility":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development hydrocarbon","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":979,"sourceRows":6737,"termsUrl":"https://www.nlog.nl/en/disclaimer","id":"netherlands-nlog","name":"TNO / NLOG — Netherlands boreholes","source":"https://www.nlog.nl/en/boreholes","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:23031 (ED50 / UTM zone 31N)","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"outside-hydrocarbon-geothermal-scope":979},"sourceSha256":"93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13","recordCount":5758,"distinctSourceWellIds":5758,"bounds":[2.816751,50.7586575,7.1811304,55.6810259],"recordUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512162"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-was-36"},{"id":"nl-nlog-was-37","wellId":"2418","sourceRecordId":"WAS-37","name":"WASSENAAR-37","wellName":"WAS-37","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.119611,"longitude":4.3509726,"operator":"NAM","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"NAM","role":"original-operator"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"drilling-contractor"}],"spudDate":"1966-06-02","completionDate":"1966-06-13","status":"Plugged and abandoned","depth":"1405 m MD · Rotary Table","basin":null,"area":"On-shore","sourceUpdatedAt":null,"measurements":[{"value":1405,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1313.73,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512167","purpose":"Development hydrocarbon","facility":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development hydrocarbon","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":979,"sourceRows":6737,"termsUrl":"https://www.nlog.nl/en/disclaimer","id":"netherlands-nlog","name":"TNO / NLOG — Netherlands boreholes","source":"https://www.nlog.nl/en/boreholes","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:23031 (ED50 / UTM zone 31N)","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"outside-hydrocarbon-geothermal-scope":979},"sourceSha256":"93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13","recordCount":5758,"distinctSourceWellIds":5758,"bounds":[2.816751,50.7586575,7.1811304,55.6810259],"recordUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512167"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-was-37"},{"id":"nl-nlog-was-38","wellId":"2419","sourceRecordId":"WAS-38","name":"WASSENAAR-38","wellName":"WAS-38","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.1131238,"longitude":4.3545005,"operator":"NAM","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"NAM","role":"original-operator"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"drilling-contractor"}],"spudDate":"1967-06-06","completionDate":"1967-06-18","status":"Plugged and abandoned","depth":"1315 m MD · Rotary Table","basin":null,"area":"On-shore","sourceUpdatedAt":null,"measurements":[{"value":1315,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1294.77,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512172","purpose":"Development hydrocarbon","facility":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development hydrocarbon","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":979,"sourceRows":6737,"termsUrl":"https://www.nlog.nl/en/disclaimer","id":"netherlands-nlog","name":"TNO / NLOG — Netherlands boreholes","source":"https://www.nlog.nl/en/boreholes","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:23031 (ED50 / UTM zone 31N)","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"outside-hydrocarbon-geothermal-scope":979},"sourceSha256":"93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13","recordCount":5758,"distinctSourceWellIds":5758,"bounds":[2.816751,50.7586575,7.1811304,55.6810259],"recordUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512172"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-was-38"},{"id":"nl-nlog-was-38-s1","wellId":"5075","sourceRecordId":"WAS-38-S1","name":"WASSENAAR-38-SIDETRACK1","wellName":"WAS-38-S1","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.1131238,"longitude":4.3545005,"operator":"NAM","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"NAM","role":"original-operator"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"drilling-contractor"}],"spudDate":"1985-02-28","completionDate":"1985-03-08","status":"Plugged and abandoned","depth":"720.4 m MD · Rotary Table","basin":null,"area":"On-shore","sourceUpdatedAt":null,"measurements":[{"value":720.4,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":716.79,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/147574109","purpose":"Development hydrocarbon","facility":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development hydrocarbon","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":979,"sourceRows":6737,"termsUrl":"https://www.nlog.nl/en/disclaimer","id":"netherlands-nlog","name":"TNO / NLOG — Netherlands boreholes","source":"https://www.nlog.nl/en/boreholes","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:23031 (ED50 / UTM zone 31N)","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"outside-hydrocarbon-geothermal-scope":979},"sourceSha256":"93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13","recordCount":5758,"distinctSourceWellIds":5758,"bounds":[2.816751,50.7586575,7.1811304,55.6810259],"recordUrl":"https://www.nlog.nl/nlog-mapviewer/brh/147574109"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-was-38-s1"},{"id":"nl-nlog-was-38-s2","wellId":"2605","sourceRecordId":"WAS-38-S2","name":"WASSENAAR-38-SIDETRACK2","wellName":"WAS-38-S2","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.1131238,"longitude":4.3545005,"operator":"NAM","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"NAM","role":"original-operator"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"reported-owner"}],"spudDate":"1985-03-10","completionDate":"1985-03-28","status":"Plugged and abandoned","depth":"1337.2 m MD · Rotary Table","basin":null,"area":"On-shore","sourceUpdatedAt":null,"measurements":[{"value":1337.2,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1311.15,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512176","purpose":"Development hydrocarbon","facility":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development hydrocarbon","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":979,"sourceRows":6737,"termsUrl":"https://www.nlog.nl/en/disclaimer","id":"netherlands-nlog","name":"TNO / NLOG — Netherlands boreholes","source":"https://www.nlog.nl/en/boreholes","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:23031 (ED50 / UTM zone 31N)","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"outside-hydrocarbon-geothermal-scope":979},"sourceSha256":"93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13","recordCount":5758,"distinctSourceWellIds":5758,"bounds":[2.816751,50.7586575,7.1811304,55.6810259],"recordUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512176"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-was-38-s2"},{"id":"nl-nlog-was-39","wellId":"2420","sourceRecordId":"WAS-39","name":"WASSENAAR-39","wellName":"WAS-39","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.1036645,"longitude":4.3623322,"operator":"NAM","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"NAM","role":"original-operator"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"drilling-contractor"}],"spudDate":"1967-08-03","completionDate":"1967-08-17","status":"Plugged and abandoned","depth":"1450 m MD · Rotary Table","basin":null,"area":"On-shore","sourceUpdatedAt":null,"measurements":[{"value":1450,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1329.35,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512181","purpose":"Development hydrocarbon","facility":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development hydrocarbon","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":979,"sourceRows":6737,"termsUrl":"https://www.nlog.nl/en/disclaimer","id":"netherlands-nlog","name":"TNO / NLOG — Netherlands boreholes","source":"https://www.nlog.nl/en/boreholes","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:23031 (ED50 / UTM zone 31N)","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"outside-hydrocarbon-geothermal-scope":979},"sourceSha256":"93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13","recordCount":5758,"distinctSourceWellIds":5758,"bounds":[2.816751,50.7586575,7.1811304,55.6810259],"recordUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512181"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-was-39"},{"id":"nl-nlog-was-40","wellId":"2421","sourceRecordId":"WAS-40","name":"WASSENAAR-40","wellName":"WAS-40","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.1194694,"longitude":4.3507784,"operator":"NAM","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"NAM","role":"original-operator"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"drilling-contractor"}],"spudDate":"1975-12-05","completionDate":"1975-12-17","status":"Plugged and abandoned","depth":"1333 m MD · Rotary Table","basin":null,"area":"On-shore","sourceUpdatedAt":null,"measurements":[{"value":1333,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1319.27,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512186","purpose":"Development hydrocarbon","facility":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development hydrocarbon","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":979,"sourceRows":6737,"termsUrl":"https://www.nlog.nl/en/disclaimer","id":"netherlands-nlog","name":"TNO / NLOG — Netherlands boreholes","source":"https://www.nlog.nl/en/boreholes","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:23031 (ED50 / UTM zone 31N)","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"outside-hydrocarbon-geothermal-scope":979},"sourceSha256":"93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13","recordCount":5758,"distinctSourceWellIds":5758,"bounds":[2.816751,50.7586575,7.1811304,55.6810259],"recordUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512186"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-was-40"},{"id":"nl-nlog-was-41","wellId":"2422","sourceRecordId":"WAS-41","name":"WASSENAAR-41","wellName":"WAS-41","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.1196465,"longitude":4.3510175,"operator":"NAM","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"NAM","role":"original-operator"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"drilling-contractor"}],"spudDate":"1975-12-20","completionDate":"1976-01-17","status":"Plugged and abandoned","depth":"1449 m MD · Rotary Table","basin":null,"area":"On-shore","sourceUpdatedAt":null,"measurements":[{"value":1449,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1292.38,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512191","purpose":"Development hydrocarbon","facility":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development hydrocarbon","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":979,"sourceRows":6737,"termsUrl":"https://www.nlog.nl/en/disclaimer","id":"netherlands-nlog","name":"TNO / NLOG — Netherlands boreholes","source":"https://www.nlog.nl/en/boreholes","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:23031 (ED50 / UTM zone 31N)","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"outside-hydrocarbon-geothermal-scope":979},"sourceSha256":"93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13","recordCount":5758,"distinctSourceWellIds":5758,"bounds":[2.816751,50.7586575,7.1811304,55.6810259],"recordUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512191"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-was-41"},{"id":"nl-nlog-was-42","wellId":"2423","sourceRecordId":"WAS-42","name":"WASSENAAR-42","wellName":"WAS-42","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.1196819,"longitude":4.3510624,"operator":"NAM","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"NAM","role":"original-operator"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"drilling-contractor"}],"spudDate":"1976-01-17","completionDate":"1976-02-04","status":"Plugged and abandoned","depth":"1449 m MD · Rotary Table","basin":null,"area":"On-shore","sourceUpdatedAt":null,"measurements":[{"value":1449,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1340.44,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512196","purpose":"Development hydrocarbon","facility":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development hydrocarbon","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":979,"sourceRows":6737,"termsUrl":"https://www.nlog.nl/en/disclaimer","id":"netherlands-nlog","name":"TNO / NLOG — Netherlands boreholes","source":"https://www.nlog.nl/en/boreholes","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:23031 (ED50 / UTM zone 31N)","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"outside-hydrocarbon-geothermal-scope":979},"sourceSha256":"93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13","recordCount":5758,"distinctSourceWellIds":5758,"bounds":[2.816751,50.7586575,7.1811304,55.6810259],"recordUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512196"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-was-42"},{"id":"nl-nlog-was-42-s1","wellId":"2699","sourceRecordId":"WAS-42-S1","name":"WASSENAAR-42-SIDETRACK1","wellName":"WAS-42-S1","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.1196819,"longitude":4.3510624,"operator":"NAM","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"NAM","role":"original-operator"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"drilling-contractor"}],"spudDate":"1976-02-05","completionDate":"1976-02-13","status":"Plugged and abandoned","depth":"1359 m MD · Rotary Table","basin":null,"area":"On-shore","sourceUpdatedAt":null,"measurements":[{"value":1359,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1320.53,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512200","purpose":"Development hydrocarbon","facility":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development hydrocarbon","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":979,"sourceRows":6737,"termsUrl":"https://www.nlog.nl/en/disclaimer","id":"netherlands-nlog","name":"TNO / NLOG — Netherlands boreholes","source":"https://www.nlog.nl/en/boreholes","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:23031 (ED50 / UTM zone 31N)","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"outside-hydrocarbon-geothermal-scope":979},"sourceSha256":"93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13","recordCount":5758,"distinctSourceWellIds":5758,"bounds":[2.816751,50.7586575,7.1811304,55.6810259],"recordUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512200"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-was-42-s1"},{"id":"nl-nlog-was-43","wellId":"5255","sourceRecordId":"WAS-43","name":"WASSENAAR-43","wellName":"WAS-43","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.1179186,"longitude":4.3511551,"operator":"NAM","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"NAM","role":"original-operator"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"drilling-contractor"}],"spudDate":"1976-02-14","completionDate":"1976-02-18","status":"Plugged and abandoned","depth":"527 m MD · Rotary Table","basin":null,"area":"On-shore","sourceUpdatedAt":null,"measurements":[{"value":527,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":524.77,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/237460106","purpose":"Development hydrocarbon","facility":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development hydrocarbon","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":979,"sourceRows":6737,"termsUrl":"https://www.nlog.nl/en/disclaimer","id":"netherlands-nlog","name":"TNO / NLOG — Netherlands boreholes","source":"https://www.nlog.nl/en/boreholes","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:23031 (ED50 / UTM zone 31N)","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"outside-hydrocarbon-geothermal-scope":979},"sourceSha256":"93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13","recordCount":5758,"distinctSourceWellIds":5758,"bounds":[2.816751,50.7586575,7.1811304,55.6810259],"recordUrl":"https://www.nlog.nl/nlog-mapviewer/brh/237460106"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-was-43"},{"id":"nl-nlog-was-43-s1","wellId":"2424","sourceRecordId":"WAS-43-S1","name":"WASSENAAR-43-SIDETRACK1","wellName":"WAS-43-S1","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.1179186,"longitude":4.3511551,"operator":"NAM","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"NAM","role":"original-operator"},{"sourceId":null,"url":null,"name":"Nederlandse Aardolie Maatschappij B.V.","role":"reported-owner"}],"spudDate":"1976-02-18","completionDate":"1976-02-28","status":"Plugged and abandoned","depth":"1336 m MD · Rotary Table","basin":null,"area":"On-shore","sourceUpdatedAt":null,"measurements":[{"value":1336,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1313.22,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512205","purpose":"Development hydrocarbon","facility":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development hydrocarbon","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":979,"sourceRows":6737,"termsUrl":"https://www.nlog.nl/en/disclaimer","id":"netherlands-nlog","name":"TNO / NLOG — Netherlands boreholes","source":"https://www.nlog.nl/en/boreholes","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:23031 (ED50 / UTM zone 31N)","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"outside-hydrocarbon-geothermal-scope":979},"sourceSha256":"93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13","recordCount":5758,"distinctSourceWellIds":5758,"bounds":[2.816751,50.7586575,7.1811304,55.6810259],"recordUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106512205"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-was-43-s1"},{"id":"nl-nlog-wat-gt-01","wellId":"6050","sourceRecordId":"WAT-GT-01","name":"WATERINGEN-GT-01","wellName":"WAT-GT-01","catalogue":"netherlands-nlog","sector":"geothermal","latitude":52.0093038,"longitude":4.2718816,"operator":"HVC Aardwarmte Wippolderlaan B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"HVC Aardwarmte Wippolderlaan B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"HVC Aardwarmte Wippolderlaan B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"KCA Deutag","role":"drilling-contractor"}],"spudDate":"2026-06-20","completionDate":"2026-08-20","status":null,"depth":null,"basin":null,"area":"On-shore","sourceUpdatedAt":null,"measurements":[],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/4035241427","purpose":"Development geothermic energy production","facility":"T-207","classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development geothermic energy production","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":979,"sourceRows":6737,"termsUrl":"https://www.nlog.nl/en/disclaimer","id":"netherlands-nlog","name":"TNO / NLOG — Netherlands boreholes","source":"https://www.nlog.nl/en/boreholes","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:23031 (ED50 / UTM zone 31N)","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"outside-hydrocarbon-geothermal-scope":979},"sourceSha256":"93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13","recordCount":5758,"distinctSourceWellIds":5758,"bounds":[2.816751,50.7586575,7.1811304,55.6810259],"recordUrl":"https://www.nlog.nl/nlog-mapviewer/brh/4035241427"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-wat-gt-01"},{"id":"nl-nlog-wat-gt-02","wellId":"6049","sourceRecordId":"WAT-GT-02","name":"WATERINGEN-GT-02","wellName":"WAT-GT-02","catalogue":"netherlands-nlog","sector":"geothermal","latitude":52.0093496,"longitude":4.2717955,"operator":"HVC Aardwarmte Wippolderlaan B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"HVC Aardwarmte Wippolderlaan B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"HVC Aardwarmte Wippolderlaan B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"KCA Deutag","role":"drilling-contractor"}],"spudDate":"2026-06-13","completionDate":"2026-09-02","status":null,"depth":null,"basin":null,"area":"On-shore","sourceUpdatedAt":null,"measurements":[],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/4035225347","purpose":"Development geothermic energy production","facility":"T-207","classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development geothermic energy production","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"review-source-terms","commercialUseAllowed":null,"attribution":"Source: NLOG / TNO Geological Survey of the Netherlands. Administrative data normalized by Wellficent.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":979,"sourceRows":6737,"termsUrl":"https://www.nlog.nl/en/disclaimer","id":"netherlands-nlog","name":"TNO / NLOG — Netherlands boreholes","source":"https://www.nlog.nl/en/boreholes","checkedAt":"2026-10-02","importedAt":"2026-10-02T23:47:28+00:00","sourceCrs":"EPSG:23031 (ED50 / UTM zone 31N)","coordinateMethod":"provider-transformed-to-wgs84","currentStatusVerified":false,"exclusions":{"outside-hydrocarbon-geothermal-scope":979},"sourceSha256":"93396847699c48d2a0bd5997acb7a1c898d5563cc05446d2a89978c638400a13","recordCount":5758,"distinctSourceWellIds":5758,"bounds":[2.816751,50.7586575,7.1811304,55.6810259],"recordUrl":"https://www.nlog.nl/nlog-mapviewer/brh/4035225347"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-wat-gt-02"},{"id":"uk-nsta-onshore-lq-29-34","wellId":"LQ/29- 34","sourceRecordId":"LQ/29- 34","name":"WD-2","wellName":"WD-2","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":51.1023701,"longitude":-1.3857115,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1995-09-13","completionDate":null,"status":"Constructed","depth":null,"basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":30,"unit":"°C","kind":"maximum-hole-temperature","reference":null,"sourceField":"MXTDTEMPC"}],"totalDepthReachedDate":"1995-09-28","completionStatus":"Completed (Operating)","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27LQ%2F29-+34%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"STOCKBRIDGE","prospect":null,"flowClass":null,"fluidTypes":null,"parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL233","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27LQ%2F29-+34%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-lq-29-34"},{"id":"uk-nsta-onshore-l46-23-a10","wellId":"L46/23-A10","sourceRecordId":"L46/23-A10","name":"WELTON A10","wellName":"WELTON A10","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2783085,"longitude":-0.445122,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1985-03-24","completionDate":"1988-03-06","status":"Suspended","depth":"1819.99 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1819.9912772336133,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1493.7943177294324,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1986-03-01","completionStatus":"Abandoned Phase 1","wellboreStatus":"EXTANT","originStatus":"Decommissioned","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A10%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A10%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a10"},{"id":"uk-nsta-onshore-l46-23-a10z","wellId":"L46/23-A10Z","sourceRecordId":"L46/23-A10Z","name":"WELTON A10Z","wellName":"WELTON A10Z","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2783085,"longitude":-0.445122,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1988-03-06","completionDate":"1988-04-20","status":"Suspended","depth":"2087.1 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":2087.1018424276053,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1597.3779458119855,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1988-04-19","completionStatus":"Abandoned Phase 1","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A10Z%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A10Z%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a10z"},{"id":"uk-nsta-onshore-l46-23-a11","wellId":"L46/23-A11","sourceRecordId":"L46/23-A11","name":"WELTON A11","wellName":"WELTON A11","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2783165,"longitude":-0.4450467,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1988-04-21","completionDate":"1988-05-28","status":"Suspended","depth":"1682.01 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1682.008317443347,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1480.4135977497713,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1988-05-27","completionStatus":"Abandoned Phase 1","wellboreStatus":"EXTANT","originStatus":"Decommissioned","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A11%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A11%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a11"},{"id":"uk-nsta-onshore-l46-23-a11z","wellId":"L46/23-A11","sourceRecordId":"L46/23-A11Z","name":"WELTON A11Z","wellName":"WELTON A11Z","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2783165,"longitude":-0.4450467,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1988-04-21","completionDate":"1988-06-19","status":"Suspended","depth":"1749.86 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1749.8567973402176,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1526.801109679262,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1988-06-01","completionStatus":"Abandoned Phase 1","wellboreStatus":"EXTANT","originStatus":"Decommissioned","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A11Z%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":"L46/23-A11","parentRole":"Sidetrack","sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A11Z%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a11z"},{"id":"uk-nsta-onshore-l46-23-a12","wellId":"L46/23-A12","sourceRecordId":"L46/23-A12","name":"WELTON A12","wellName":"WELTON A12","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2782512,"longitude":-0.445559,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1988-08-22","completionDate":"1988-10-07","status":"Constructed","depth":"1844.01 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1844.0095171971054,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1564.5993576218088,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1988-10-06","completionStatus":"Completed (Shut In)","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A12%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Dry Hole","fluidTypes":"Water","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A12%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a12"},{"id":"uk-nsta-onshore-l46-23-a13","wellId":"L46/23-A13","sourceRecordId":"L46/23-A13","name":"WELTON A13","wellName":"WELTON A13","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2782592,"longitude":-0.4454837,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1988-10-08","completionDate":"1988-11-14","status":"Constructed","depth":"1709.01 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1709.014,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1505.407,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1988-11-09","completionStatus":"Completed (Shut In)","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A13%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A13%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a13"},{"id":"uk-nsta-onshore-l46-23-a14","wellId":"L46/23-A14","sourceRecordId":"L46/23-A14","name":"WELTON A14","wellName":"WELTON A14","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2782674,"longitude":-0.4454235,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1988-11-17","completionDate":"1988-12-24","status":"Constructed","depth":"1883.05 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1883.054,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1485.9,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1988-12-23","completionStatus":"Completed (Operating)","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A14%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A14%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a14"},{"id":"uk-nsta-onshore-l46-23-a15","wellId":"L46/23-A15","sourceRecordId":"L46/23-A15","name":"WELTON A15","wellName":"WELTON A15","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2782844,"longitude":-0.4453478,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1988-12-24","completionDate":"1989-01-28","status":"Suspended","depth":"1712 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1712.001,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1467.886,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1989-01-13","completionStatus":"Abandoned Phase 1","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A15%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":null,"totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A15%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a15"},{"id":"uk-nsta-onshore-l46-23-a16","wellId":"L46/23-A16","sourceRecordId":"L46/23-A16","name":"WELTON A16","wellName":"WELTON A16","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2782924,"longitude":-0.4452726,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1989-01-29","completionDate":"1989-02-23","status":"Suspended","depth":"1660 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1659.9987094768019,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1469.806557765894,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1989-02-01","completionStatus":"Abandoned Phase 1","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A16%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A16%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a16"},{"id":"uk-nsta-onshore-l46-23-a17","wellId":"L46/23-A17","sourceRecordId":"L46/23-A17","name":"WELTON A17","wellName":"WELTON A17","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2783005,"longitude":-0.4451973,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1989-02-24","completionDate":"1989-03-15","status":"Suspended","depth":"1500.99 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1500.9875977184988,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1457.3097577848891,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1989-03-01","completionStatus":"Abandoned Phase 1","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A17%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A17%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a17"},{"id":"uk-nsta-onshore-l46-23-a18","wellId":"L46/23-A18","sourceRecordId":"L46/23-A18","name":"WELTON A18","wellName":"WELTON A18","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2784081,"longitude":-0.4444884,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1991-02-25","completionDate":"1991-03-27","status":"Constructed","depth":"1891.99 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1891.9850371241828,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1500.682797718962,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1991-03-26","completionStatus":"Completed (Operating)","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A18%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A18%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a18"},{"id":"uk-nsta-onshore-l46-23-a19","wellId":"L46/23-A11","sourceRecordId":"L46/23-A19","name":"WELTON A19","wellName":"WELTON A19","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2783165,"longitude":-0.4450467,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1994-01-28","completionDate":"1994-02-14","status":"Constructed","depth":"1830 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1830.0000557783999,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1417.0000431901599,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1994-03-09","completionStatus":"Completed (Shut In)","wellboreStatus":"EXTANT","originStatus":"Decommissioned","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A19%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A19%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a19"},{"id":"uk-nsta-onshore-l46-23-a20","wellId":"L46/23-A20","sourceRecordId":"L46/23-A20","name":"WELTON A20","wellName":"WELTON A20","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2781243,"longitude":-0.4475434,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1994-06-18","completionDate":"1994-12-06","status":"Suspended","depth":"1922 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1922.0000585825599,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1398.200042617136,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1994-12-06","completionStatus":"Abandoned Phase 1","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A20%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A20%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a20"},{"id":"uk-nsta-onshore-l46-23-a20x","wellId":"L46/23-A20","sourceRecordId":"L46/23-A20X","name":"WELTON A20X","wellName":"WELTON A20X","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2781243,"longitude":-0.4475434,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1996-04-08","completionDate":"1996-04-13","status":"Constructed","depth":"1852 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1851.995277184967,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1405.1889578641126,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1996-04-09","completionStatus":"Completed (Operating)","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A20X%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":"L46/23-A20","parentRole":"Sidetrack","sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A20X%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a20x"},{"id":"uk-nsta-onshore-l46-23-a20y","wellId":"L46/23-A20","sourceRecordId":"L46/23-A20Y","name":"WELTON A20Y","wellName":"WELTON A20Y","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2781243,"longitude":-0.4475434,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1994-11-30","completionDate":"1994-12-02","status":"Constructed","depth":"1718.01 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1718.005197388632,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"}],"totalDepthReachedDate":null,"completionStatus":"Completed (Operating)","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A20Y%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":"L46/23-A20","parentRole":"Sidetrack","sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A20Y%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a20y"},{"id":"uk-nsta-onshore-l46-23-a20z","wellId":"L46/23-A20","sourceRecordId":"L46/23-A20Z","name":"WELTON A20Z","wellName":"WELTON A20Z","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2781243,"longitude":-0.4475434,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1994-11-20","completionDate":"1994-11-30","status":"Constructed","depth":"1965.96 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1965.9599970117408,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"}],"totalDepthReachedDate":"1994-11-30","completionStatus":"Completed (Operating)","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A20Z%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":"L46/23-A20","parentRole":"Sidetrack","sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A20Z%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a20z"},{"id":"uk-nsta-onshore-l46-23-a21","wellId":"L46/23-A21","sourceRecordId":"L46/23-A21","name":"WELTON A21","wellName":"WELTON A21","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2781243,"longitude":-0.4475434,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1995-01-01","completionDate":"1995-09-22","status":"Suspended","depth":"1934 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1934.0000589483197,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1415.300043138344,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1995-08-22","completionStatus":"Abandoned Phase 1","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A21%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A21%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a21"},{"id":"uk-nsta-onshore-l46-23-a22","wellId":"L46/23-A22","sourceRecordId":"L46/23-A22","name":"WELTON A22","wellName":"WELTON A22","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2781094,"longitude":-0.447784,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1995-09-13","completionDate":"1996-10-12","status":"Suspended","depth":"1754 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1754,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1311.8,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1995-10-01","completionStatus":"Abandoned Phase 1","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A22%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Show","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A22%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a22"},{"id":"uk-nsta-onshore-l46-23-a22z","wellId":"L46/23-A22","sourceRecordId":"L46/23-A22Z","name":"WELTON A22Z","wellName":"WELTON A22Z","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2781094,"longitude":-0.447784,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1995-09-21","completionDate":"1996-10-12","status":"Suspended","depth":"1677.5 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1677.5,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1292.352,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":null,"completionStatus":"Abandoned Phase 1","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A22Z%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Show","fluidTypes":"Oil","parentWell":"L46/23-A22","parentRole":"Sidetrack","sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A22Z%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a22z"},{"id":"uk-nsta-onshore-l46-23-a23","wellId":"L46/23-A10Z","sourceRecordId":"L46/23-A23","name":"WELTON A23","wellName":"WELTON A23","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2783085,"longitude":-0.445122,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1995-10-15","completionDate":"1995-10-19","status":"Constructed","depth":"1732.48 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1732.4831973666255,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1301.700039675816,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":null,"completionStatus":"Completed (Shut In)","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A23%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":"L46/23-A10Z","parentRole":"Re-drill","sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A23%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a23"},{"id":"uk-nsta-onshore-l46-23-a24","wellId":"L46/23-A24","sourceRecordId":"L46/23-A24","name":"WELTON A24","wellName":"WELTON A24","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2782346,"longitude":-0.4456646,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1996-01-11","completionDate":"1996-02-17","status":"Constructed","depth":"1925 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1925,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1415.86,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1996-02-10","completionStatus":"Completed (Operating)","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A24%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A24%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a24"},{"id":"uk-nsta-onshore-l46-23-a25","wellId":"L46/23-A16","sourceRecordId":"L46/23-A25","name":"WELTON A25","wellName":"WELTON A25","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2782924,"longitude":-0.4452726,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1996-09-24","completionDate":"1996-10-09","status":"Constructed","depth":"1818.13 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1818.1319972364392,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1415.9300430965864,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1996-09-28","completionStatus":"Completed (Shut In)","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A25%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":"L46/23-A16","parentRole":"Re-drill","sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A25%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a25"},{"id":"uk-nsta-onshore-l46-23-a26","wellId":"L46/23-A22","sourceRecordId":"L46/23-A26","name":"WELTON A26","wellName":"WELTON A26","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2781094,"longitude":-0.447784,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1996-10-13","completionDate":"1996-10-27","status":"Constructed","depth":"2027.53 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":2027.53,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1332.586,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1996-10-22","completionStatus":"Completed (Shut In)","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A26%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":"L46/23-A22","parentRole":"Re-drill","sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A26%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a26"},{"id":"uk-nsta-onshore-l46-23-a27","wellId":"L46/23-A15","sourceRecordId":"L46/23-A27","name":"WELTON A27","wellName":"WELTON A27","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2782844,"longitude":-0.4453478,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1997-03-27","completionDate":"1997-04-03","status":"Constructed","depth":"1966 m MD · Rotary Table","basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[{"value":1966,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":1417.9,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"totalDepthReachedDate":"1997-03-31","completionStatus":"Completed (Operating)","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A27%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":"L46/23-A15","parentRole":"Re-drill","sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A27%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a27"},{"id":"uk-nsta-onshore-l46-23-a28","wellId":"L46/23-A8","sourceRecordId":"L46/23-A28","name":"WELTON A28","wellName":"WELTON A28","catalogue":"uk-nsta-onshore","sector":"oil-gas","latitude":53.2781317,"longitude":-0.4474232,"operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-origin-operator"}],"spudDate":"1997-04-24","completionDate":"1997-05-24","status":"Suspended","depth":null,"basin":null,"area":"Landward","sourceUpdatedAt":null,"measurements":[],"totalDepthReachedDate":"1997-05-17","completionStatus":"Abandoned Phase 1","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A28%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"WELTON","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":"L46/23-A8","parentRole":"Re-drill","sidetrackType":null,"licenceNumber":"PL179","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"attribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceAsOf":null,"positionAccuracy":null,"excludedRows":0,"sourceRows":2138,"termsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","id":"uk-nsta-onshore","name":"NSTA — England onshore wellbore top holes","source":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0","checkedAt":"2026-10-02","importedAt":"2026-10-03T00:30:00+00:00","sourceCrs":"EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary","coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","currentStatusVerified":false,"exclusions":{},"sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","sourceRetrievedAt":"2026-10-02T23:36:06+00:00","recordType":"wellbore-top-hole","rightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseNote":"NSTA User Agreement permits non-commercial exploitation with attribution; other rights may be excluded.","recordCount":2138,"distinctSourceWellIds":1787,"bounds":[-7.0134585,50.5932326,1.6609397,58.4033062],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L46%2F23-A28%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-onshore-l46-23-a28"}]}