{"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":12361,"distinctSourceWellIds":8072,"page":265,"pageSize":40,"next_url":"https://wellficent.com/api/v1/wells?page=266&purposeGroup=development&sector=oil-gas","catalogues":[{"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":"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":"CHRYSAOR PRODUCTION (U.K.) LIMITED","role":"licence-origin-operator","records":277},{"name":"KCA Deutag Drilling Ltd","role":"drilling-contractor","records":272},{"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":"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":"Drilltec Netherlands B.V.","role":"drilling-contractor","records":101},{"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":"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},{"name":"SPIRIT ENERGY NORTH SEA LIMITED","role":"licence-origin-operator","records":58}],"records":[{"id":"uk-nsta-offshore-15-29b-f6","wellId":"15/29b-F6","sourceRecordId":"15/29b-F6","name":"Q","wellName":"Q","catalogue":"uk-nsta-offshore","sector":"oil-gas","latitude":58.0022284,"longitude":0.7222441,"operator":"CHRYSAOR PRODUCTION (U.K.) LIMITED","operatorRole":"responsible-wellbore-operator","companies":[{"sourceId":null,"url":null,"name":"CHRYSAOR PRODUCTION (U.K.) LIMITED","role":"responsible-wellbore-operator"},{"sourceId":null,"url":null,"name":"CHRYSAOR PRODUCTION (U.K.) LIMITED","role":"licence-origin-operator"}],"spudDate":"2024-02-18","completionDate":"2024-05-18","status":"Constructed","depth":"4421.73 m MD · Rotary Table","basin":null,"area":"Seaward","sourceUpdatedAt":null,"measurements":[{"value":4421.733593278965,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"TDMDDEPM"},{"value":2015.3375969366869,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"},{"value":150.87599977066847,"unit":"m","kind":"water-depth","reference":null,"sourceField":"WATDEP_M"}],"totalDepthReachedDate":"2024-04-05","completionStatus":"Completed (Operating)","wellboreStatus":"EXTANT","originStatus":"Present","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS_offshore_wellbore_top_holes_(WGS84)/FeatureServer/0/query?where=WELLREGNO%3D%2715%2F29b-F6%27&outFields=%2A&outSR=4326&f=json","purpose":"Development","facility":null,"targetField":"CALLANISH","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"P590","totalDepthLicenceNumber":null,"classification":{"purposeGroup":"development","basis":"wellficent-source-purpose-v2","sourceValue":"Development","kind":"derived"},"coordinateCrs":"EPSG:4326","snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","source":{"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],"recordUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS_offshore_wellbore_top_holes_(WGS84)/FeatureServer/0/query?where=WELLREGNO%3D%2715%2F29b-F6%27&outFields=%2A&outSR=4326&f=json"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/uk-nsta-offshore-15-29b-f6"},{"id":"nl-nlog-q01-d-02-s2","wellId":"9286","sourceRecordId":"Q01-D-02-S2","name":"Q01-D-02-SIDETRACK2","wellName":"Q01-D-02","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.8714642,"longitude":4.1699409,"operator":"Wintershall Noordzee B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Wintershall Noordzee B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Wintershall Noordzee B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Maersk Drilling A/S","role":"drilling-contractor"}],"spudDate":"2018-03-28","completionDate":"2018-05-12","status":"Producing/Injecting","depth":"5040 m MD · Rotary Table","basin":"Q01-D","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":5040,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":3168.89,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/2610224637","purpose":"Development hydrocarbon","facility":"Maersk Resolve","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/2610224637"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-d-02-s2"},{"id":"nl-nlog-q01-halfweg-a-02","wellId":"8211","sourceRecordId":"Q01-HALFWEG-A-02","name":"Q01-HALFWEG-A-02","wellName":"Q01-HALFWEG-A-02","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.8818683,"longitude":4.3189664,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Ross Offshore","role":"drilling-contractor"}],"spudDate":"1995-06-03","completionDate":"1995-09-23","status":"Plugged and abandoned","depth":"2663 m MD · Rotary Table","basin":"Halfweg","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":2663,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":2549.02,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106530401","purpose":"Development hydrocarbon","facility":"Ross Explorer","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/106530401"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-halfweg-a-02"},{"id":"nl-nlog-q01-halfweg-a-02-s1","wellId":"8235","sourceRecordId":"Q01-HALFWEG-A-02-S1","name":"Q01-HALFWEG-A-02-SIDETRACK1","wellName":"Q01-HALFWEG-A-02","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.8818683,"longitude":4.3189664,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Ross Offshore","role":"drilling-contractor"}],"spudDate":"1995-09-23","completionDate":"1995-11-29","status":"Plugged and abandoned","depth":"4444 m MD · Rotary Table","basin":"Halfweg","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":4444,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106530405","purpose":"Development hydrocarbon","facility":"Ross Explorer","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/106530405"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-halfweg-a-02-s1"},{"id":"nl-nlog-q01-halfweg-a-03","wellId":"8212","sourceRecordId":"Q01-HALFWEG-A-03","name":"Q01-HALFWEG-A-03","wellName":"Q01-HALFWEG-A-03","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.8818683,"longitude":4.3189664,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Ross Offshore","role":"drilling-contractor"}],"spudDate":"1995-06-06","completionDate":"1995-09-03","status":"Plugged and abandoned","depth":"4900 m MD · Rotary Table","basin":"Halfweg","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":4900,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":2966.84,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106530410","purpose":"Development hydrocarbon","facility":"Ross Explorer","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/106530410"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-halfweg-a-03"},{"id":"nl-nlog-q01-haven-a-01","wellId":"7948","sourceRecordId":"Q01-HAVEN-A-01","name":"Q01-HAVEN-A-01","wellName":"Q01-HAVEN-A-01","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9722146,"longitude":4.1061675,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Lauritzen Drilling","role":"drilling-contractor"}],"spudDate":"1989-10-20","completionDate":"1989-11-15","status":"Plugged and abandoned","depth":"2390 m MD · Rotary Table","basin":"Haven","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":2390,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1638.23,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106528952","purpose":"Development hydrocarbon","facility":"Dan Duke","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/106528952"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-haven-a-01"},{"id":"nl-nlog-q01-haven-a-02","wellId":"7956","sourceRecordId":"Q01-HAVEN-A-02","name":"Q01-HAVEN-A-02","wellName":"Q01-HAVEN-A-02","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9722146,"longitude":4.1061675,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Lauritzen Drilling","role":"drilling-contractor"}],"spudDate":"1989-11-16","completionDate":"1989-12-03","status":"Plugged and abandoned","depth":"2235 m MD · Rotary Table","basin":"Haven","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":2235,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1633.66,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106529001","purpose":"Development hydrocarbon","facility":"Dan Duke","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/106529001"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-haven-a-02"},{"id":"nl-nlog-q01-helder-a-02","wellId":"7470","sourceRecordId":"Q01-HELDER-A-02","name":"Q01-HELDER-A-02","wellName":"Q01-HELDER-A-02","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Union Oil Company of the Netherlands","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Union Oil Company of the Netherlands","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Transocean Drilling Ltd.","role":"drilling-contractor"}],"spudDate":"1982-07-04","completionDate":"1982-08-04","status":"Plugged and abandoned","depth":"1598 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1598,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1504.36,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526269","purpose":"Development hydrocarbon","facility":"Transocean II","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/106526269"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-02"},{"id":"nl-nlog-q01-helder-a-02-s1","wellId":"7793","sourceRecordId":"Q01-HELDER-A-02-S1","name":"Q01-HELDER-A-02-SIDETRACK1","wellName":"Q01-HELDER-A-02","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Neddrill Nederland B.V.","role":"drilling-contractor"}],"spudDate":"1988-01-06","completionDate":"1988-01-18","status":"Plugged and abandoned","depth":"1733 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1733,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1437.42,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526273","purpose":"Development hydrocarbon","facility":"Neddrill III","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/106526273"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-02-s1"},{"id":"nl-nlog-q01-helder-a-03","wellId":"7471","sourceRecordId":"Q01-HELDER-A-03","name":"Q01-HELDER-A-03","wellName":"Q01-HELDER-A-03","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Union Oil Company of the Netherlands","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Union Oil Company of the Netherlands","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Transocean Drilling Ltd.","role":"drilling-contractor"}],"spudDate":"1982-08-06","completionDate":"1982-09-23","status":"Plugged and abandoned","depth":"1546 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1546,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1514.5,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526278","purpose":"Development hydrocarbon","facility":"Transocean II","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/106526278"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-03"},{"id":"nl-nlog-q01-helder-a-03-s1","wellId":"7791","sourceRecordId":"Q01-HELDER-A-03-S1","name":"Q01-HELDER-A-03-SIDETRACK1","wellName":"Q01-HELDER-A-03","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Neddrill Nederland B.V.","role":"drilling-contractor"}],"spudDate":"1987-12-15","completionDate":"1987-12-25","status":"Plugged and abandoned","depth":"1773 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1773,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1433.36,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526282","purpose":"Development hydrocarbon","facility":"Neddrill III","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/106526282"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-03-s1"},{"id":"nl-nlog-q01-helder-a-04","wellId":"7472","sourceRecordId":"Q01-HELDER-A-04","name":"Q01-HELDER-A-04","wellName":"Q01-HELDER-A-04","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Union Oil Company of the Netherlands","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Union Oil Company of the Netherlands","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Transocean Drilling Ltd.","role":"drilling-contractor"}],"spudDate":"1982-08-20","completionDate":"1982-09-13","status":"Plugged and abandoned","depth":"1775 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1775,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1525.08,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526287","purpose":"Development hydrocarbon","facility":"Transocean II","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/106526287"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-04"},{"id":"nl-nlog-q01-helder-a-04-s1","wellId":"9326","sourceRecordId":"Q01-HELDER-A-04-S1","name":"Q01-HELDER-A-04-SIDETRACK1","wellName":"Q01-HELDER-A-04","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Neddrill Nederland B.V.","role":"drilling-contractor"}],"spudDate":"1986-12-04","completionDate":"1986-12-11","status":"Plugged and abandoned","depth":"1724 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1724,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1438.38,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/3321385971","purpose":"Development hydrocarbon","facility":"Neddrill III","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/3321385971"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-04-s1"},{"id":"nl-nlog-q01-helder-a-04-s2","wellId":"9327","sourceRecordId":"Q01-HELDER-A-04-S2","name":"Q01-HELDER-A-04-SIDETRACK2","wellName":"Q01-HELDER-A-04","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Neddrill Nederland B.V.","role":"drilling-contractor"}],"spudDate":"1986-12-11","completionDate":"1986-12-15","status":"Plugged and abandoned","depth":"1609 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1609,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1400.49,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/3321385981","purpose":"Development hydrocarbon","facility":"Neddrill III","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/3321385981"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-04-s2"},{"id":"nl-nlog-q01-helder-a-04-s3","wellId":"7740","sourceRecordId":"Q01-HELDER-A-04-S3","name":"Q01-HELDER-A-04-SIDETRACK3","wellName":"Q01-HELDER-A-04","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Neddrill Nederland B.V.","role":"drilling-contractor"}],"spudDate":"1986-12-04","completionDate":"1986-12-27","status":"Plugged and abandoned","depth":"1859 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1859,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1439.15,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526291","purpose":"Development hydrocarbon","facility":"Neddrill III","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/106526291"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-04-s3"},{"id":"nl-nlog-q01-helder-a-05","wellId":"7473","sourceRecordId":"Q01-HELDER-A-05","name":"Q01-HELDER-A-05","wellName":"Q01-HELDER-A-05","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Union Oil Company of the Netherlands","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Union Oil Company of the Netherlands","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Transocean Drilling Ltd.","role":"drilling-contractor"}],"spudDate":"1982-10-01","completionDate":"1982-10-31","status":"Plugged and abandoned","depth":"1631 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1631,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1505.59,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526296","purpose":"Development hydrocarbon","facility":"Transocean II","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/106526296"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-05"},{"id":"nl-nlog-q01-helder-a-05-s1","wellId":"7754","sourceRecordId":"Q01-HELDER-A-05-S1","name":"Q01-HELDER-A-05-SIDETRACK1","wellName":"Q01-HELDER-A-05","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Neddrill Nederland B.V.","role":"drilling-contractor"}],"spudDate":"1987-04-21","completionDate":"1987-04-29","status":"Plugged and abandoned","depth":"2089 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":2089,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":252.94,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526300","purpose":"Development hydrocarbon","facility":"Neddrill III","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/106526300"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-05-s1"},{"id":"nl-nlog-q01-helder-a-06","wellId":"7474","sourceRecordId":"Q01-HELDER-A-06","name":"Q01-HELDER-A-06","wellName":"Q01-HELDER-A-06","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Union Oil Company of the Netherlands","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Union Oil Company of the Netherlands","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Transocean Drilling Ltd.","role":"drilling-contractor"}],"spudDate":"1982-11-03","completionDate":"1982-11-30","status":"Plugged and abandoned","depth":"1709 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1709,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1421.33,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526305","purpose":"Development hydrocarbon","facility":"Transocean II","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/106526305"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-06"},{"id":"nl-nlog-q01-helder-a-06-s1","wellId":"8022","sourceRecordId":"Q01-HELDER-A-06-S1","name":"Q01-HELDER-A-06-SIDETRACK1","wellName":"Q01-HELDER-A-06","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Global Marine","role":"drilling-contractor"}],"spudDate":"1991-01-02","completionDate":"1991-01-09","status":"Plugged and abandoned","depth":"2147 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":2147,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1352.52,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526309","purpose":"Development hydrocarbon","facility":"Glomar Adriatic III","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/106526309"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-06-s1"},{"id":"nl-nlog-q01-helder-a-07","wellId":"7475","sourceRecordId":"Q01-HELDER-A-07","name":"Q01-HELDER-A-07","wellName":"Q01-HELDER-A-07","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Union Oil Company of the Netherlands","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Union Oil Company of the Netherlands","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Transocean Drilling Ltd.","role":"drilling-contractor"}],"spudDate":"1982-12-03","completionDate":"1982-12-27","status":"Plugged and abandoned","depth":"1730.01 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1730.01,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1444.34,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526314","purpose":"Development hydrocarbon","facility":"Transocean II","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/106526314"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-07"},{"id":"nl-nlog-q01-helder-a-07-s1","wellId":"7751","sourceRecordId":"Q01-HELDER-A-07-S1","name":"Q01-HELDER-A-07-SIDETRACK1","wellName":"Q01-HELDER-A-07","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Neddrill Nederland B.V.","role":"drilling-contractor"}],"spudDate":"1987-03-16","completionDate":"1987-03-25","status":"Plugged and abandoned","depth":"2125 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":2125,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1438.12,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526318","purpose":"Development hydrocarbon","facility":"Neddrill III","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/106526318"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-07-s1"},{"id":"nl-nlog-q01-helder-a-08","wellId":"7476","sourceRecordId":"Q01-HELDER-A-08","name":"Q01-HELDER-A-08","wellName":"Q01-HELDER-A-08","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Union Oil Company of the Netherlands","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Union Oil Company of the Netherlands","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Transocean Drilling Ltd.","role":"drilling-contractor"}],"spudDate":"1982-12-29","completionDate":"1983-01-28","status":"Plugged and abandoned","depth":"2048 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":2048,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1498.09,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526323","purpose":"Development hydrocarbon","facility":"Transocean II","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/106526323"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-08"},{"id":"nl-nlog-q01-helder-a-08-s1","wellId":"7752","sourceRecordId":"Q01-HELDER-A-08-S1","name":"Q01-HELDER-A-08-SIDETRACK1","wellName":"Q01-HELDER-A-08","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Neddrill Nederland B.V.","role":"drilling-contractor"}],"spudDate":"1987-03-30","completionDate":"1987-04-08","status":"Plugged and abandoned","depth":"2299 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":2299,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1437.58,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526327","purpose":"Development hydrocarbon","facility":"Neddrill III","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/106526327"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-08-s1"},{"id":"nl-nlog-q01-helder-a-09","wellId":"7477","sourceRecordId":"Q01-HELDER-A-09","name":"Q01-HELDER-A-09","wellName":"Q01-HELDER-A-09","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Union Oil Company of the Netherlands","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Union Oil Company of the Netherlands","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Transocean Drilling Ltd.","role":"drilling-contractor"}],"spudDate":"1983-02-08","completionDate":"1983-03-03","status":"Plugged and abandoned","depth":"1875 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1875,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1499.41,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526331","purpose":"Development hydrocarbon","facility":"Transocean II","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/106526331"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-09"},{"id":"nl-nlog-q01-helder-a-09-s2","wellId":"8024","sourceRecordId":"Q01-HELDER-A-09-S2","name":"Q01-HELDER-A-09-SIDETRACK2","wellName":"Q01-HELDER-A-09","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Global Marine","role":"drilling-contractor"}],"spudDate":"1991-01-16","completionDate":"1991-01-22","status":"Plugged and abandoned","depth":"2256 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":2256,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1437.29,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106529409","purpose":"Development hydrocarbon","facility":"Glomar Adriatic III","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/106529409"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-09-s2"},{"id":"nl-nlog-q01-helder-a-10","wellId":"7539","sourceRecordId":"Q01-HELDER-A-10","name":"Q01-HELDER-A-10","wellName":"Q01-HELDER-A-10","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Union Oil Company of the Netherlands","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Union Oil Company of the Netherlands","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Transocean Drilling Ltd.","role":"drilling-contractor"}],"spudDate":"1983-12-25","completionDate":"1984-01-13","status":"Plugged and abandoned","depth":"1528 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1528,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1477.77,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526701","purpose":"Development hydrocarbon","facility":"Transocean IV","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/106526701"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-10"},{"id":"nl-nlog-q01-helder-a-10-s1","wellId":"7813","sourceRecordId":"Q01-HELDER-A-10-S1","name":"Q01-HELDER-A-10-SIDETRACK1","wellName":"Q01-HELDER-A-10","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Neddrill Nederland B.V.","role":"drilling-contractor"}],"spudDate":"1988-06-06","completionDate":"1988-06-14","status":"Plugged and abandoned","depth":"1950 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1950,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1439.25,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526705","purpose":"Development hydrocarbon","facility":"Neddrill III","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/106526705"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-10-s1"},{"id":"nl-nlog-q01-helder-a-11","wellId":"7545","sourceRecordId":"Q01-HELDER-A-11","name":"Q01-HELDER-A-11","wellName":"Q01-HELDER-A-11","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Union Oil Company of the Netherlands","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Union Oil Company of the Netherlands","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Transocean Drilling Ltd.","role":"drilling-contractor"}],"spudDate":"1984-01-16","completionDate":"1984-02-03","status":"Plugged and abandoned","depth":"1525 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1525,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1481.16,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526743","purpose":"Development hydrocarbon","facility":"Transocean IV","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/106526743"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-11"},{"id":"nl-nlog-q01-helder-a-11-s1","wellId":"7816","sourceRecordId":"Q01-HELDER-A-11-S1","name":"Q01-HELDER-A-11-SIDETRACK1","wellName":"Q01-HELDER-A-11","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Neddrill Nederland B.V.","role":"drilling-contractor"}],"spudDate":"1988-06-18","completionDate":"1988-06-25","status":"Plugged and abandoned","depth":"1759 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1759,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1696.48,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526747","purpose":"Development hydrocarbon","facility":"Neddrill III","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/106526747"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-11-s1"},{"id":"nl-nlog-q01-helder-a-12","wellId":"7630","sourceRecordId":"Q01-HELDER-A-12","name":"Q01-HELDER-A-12","wellName":"Q01-HELDER-A-12","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Union Oil Company of the Netherlands","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Union Oil Company of the Netherlands","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Transocean Drilling Ltd.","role":"drilling-contractor"}],"spudDate":"1984-02-08","completionDate":"1984-02-29","status":"Plugged and abandoned","depth":"1570 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1570,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1471.37,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106527263","purpose":"Development hydrocarbon","facility":"Transocean IV","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/106527263"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-12"},{"id":"nl-nlog-q01-helder-a-12-s1","wellId":"7817","sourceRecordId":"Q01-HELDER-A-12-S1","name":"Q01-HELDER-A-12-SIDETRACK1","wellName":"Q01-HELDER-A-12","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Neddrill Nederland B.V.","role":"drilling-contractor"}],"spudDate":"1988-06-29","completionDate":"1988-07-07","status":"Plugged and abandoned","depth":"2075 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":2075,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1432.87,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106527267","purpose":"Development hydrocarbon","facility":"Neddrill III","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/106527267"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-12-s1"},{"id":"nl-nlog-q01-helder-a-14","wellId":"8011","sourceRecordId":"Q01-HELDER-A-14","name":"Q01-HELDER-A-14","wellName":"Q01-HELDER-A-14","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Global Marine","role":"drilling-contractor"}],"spudDate":"1990-11-13","completionDate":"1990-12-11","status":"Plugged and abandoned","depth":"2220 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":2220,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1434.18,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106529338","purpose":"Development hydrocarbon","facility":"Glomar Adriatic III","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/106529338"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-14"},{"id":"nl-nlog-q01-helder-a-14-s1","wellId":"8103","sourceRecordId":"Q01-HELDER-A-14-S1","name":"Q01-HELDER-A-14-SIDETRACK1","wellName":"Q01-HELDER-A-14","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Global Marine","role":"drilling-contractor"}],"spudDate":"1990-12-11","completionDate":"1990-12-21","status":"Plugged and abandoned","depth":"2603 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":2603,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1442.32,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106529342","purpose":"Development hydrocarbon","facility":"Glomar Adriatic III","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/106529342"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-14-s1"},{"id":"nl-nlog-q01-helder-a-15","wellId":"8013","sourceRecordId":"Q01-HELDER-A-15","name":"Q01-HELDER-A-15","wellName":"Q01-HELDER-A-15","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Global Marine","role":"drilling-contractor"}],"spudDate":"1990-11-14","completionDate":"1990-12-29","status":"Plugged and abandoned","depth":"1964 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1964,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1430.78,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106529369","purpose":"Development hydrocarbon","facility":"Glomar Adriatic III","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/106529369"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-15"},{"id":"nl-nlog-q01-helder-a-16","wellId":"8014","sourceRecordId":"Q01-HELDER-A-16","name":"Q01-HELDER-A-16","wellName":"Q01-HELDER-A-16","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Global Marine","role":"drilling-contractor"}],"spudDate":"1990-11-16","completionDate":"1991-01-13","status":"Plugged and abandoned","depth":"2067 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":2067,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1451.38,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106529375","purpose":"Development hydrocarbon","facility":"Glomar Adriatic III","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/106529375"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-16"},{"id":"nl-nlog-q01-helder-a-16-s1","wellId":"8028","sourceRecordId":"Q01-HELDER-A-16-S1","name":"Q01-HELDER-A-16-SIDETRACK1","wellName":"Q01-HELDER-A-16","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9206786,"longitude":4.0970891,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Global Marine","role":"drilling-contractor"}],"spudDate":"1991-01-25","completionDate":"1991-02-01","status":"Plugged and abandoned","depth":"2098 m MD · Rotary Table","basin":"Helder","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":2098,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1466.21,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106529379","purpose":"Development hydrocarbon","facility":"Glomar Adriatic III","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/106529379"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-a-16-s1"},{"id":"nl-nlog-q01-helder-b-01-s1","wellId":"7065","sourceRecordId":"Q01-HELDER-B-01-S1","name":"Q01-HELDER-B-01-SIDETRACK1","wellName":"Q01-HELDER-B-01-S1","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.9283519,"longitude":4.0749232,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Neddrill Nederland B.V.","role":"drilling-contractor"}],"spudDate":"1987-04-29","completionDate":"1987-05-15","status":"Plugged and abandoned","depth":"1763 m MD · Rotary Table","basin":null,"area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1763,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1443.77,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526218","purpose":"Development hydrocarbon","facility":"Neddrill III","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/106526218"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helder-b-01-s1"},{"id":"nl-nlog-q01-helm-a-01","wellId":"7478","sourceRecordId":"Q01-HELM-A-01","name":"Q01-HELM-A-01","wellName":"Q01-HELM-A-01","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.871703,"longitude":4.1407819,"operator":"Union Oil Company of the Netherlands","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Union Oil Company of the Netherlands","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Transocean Drilling Ltd.","role":"drilling-contractor"}],"spudDate":"1981-12-13","completionDate":"1982-02-08","status":"Plugged and abandoned","depth":"1415 m MD · Rotary Table","basin":"Helm","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1415,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1414.96,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526340","purpose":"Development hydrocarbon","facility":"Transocean II","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/106526340"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helm-a-01"},{"id":"nl-nlog-q01-helm-a-02","wellId":"7479","sourceRecordId":"Q01-HELM-A-02","name":"Q01-HELM-A-02","wellName":"Q01-HELM-A-02","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.8717116,"longitude":4.1408267,"operator":"Union Oil Company of the Netherlands","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Union Oil Company of the Netherlands","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Transocean Drilling Ltd.","role":"drilling-contractor"}],"spudDate":"1982-02-12","completionDate":"1982-03-19","status":"Plugged and abandoned","depth":"1370.01 m MD · Rotary Table","basin":"Helm","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1370.01,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1345.04,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526346","purpose":"Development hydrocarbon","facility":"Transocean II","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/106526346"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helm-a-02"},{"id":"nl-nlog-q01-helm-a-02-s1","wellId":"7757","sourceRecordId":"Q01-HELM-A-02-S1","name":"Q01-HELM-A-02-SIDETRACK1","wellName":"Q01-HELM-A-02","catalogue":"netherlands-nlog","sector":"oil-gas","latitude":52.8717116,"longitude":4.1408267,"operator":"Unocal Netherlands B.V.","operatorRole":"original-operator","companies":[{"sourceId":null,"url":null,"name":"Unocal Netherlands B.V.","role":"original-operator"},{"sourceId":null,"url":null,"name":"Petrogas E&P Netherlands B.V.","role":"reported-owner"},{"sourceId":null,"url":null,"name":"Neddrill Nederland B.V.","role":"drilling-contractor"}],"spudDate":"1987-05-16","completionDate":"1987-06-01","status":"Plugged and abandoned","depth":"1427 m MD · Rotary Table","basin":"Helm","area":"Off-shore","sourceUpdatedAt":null,"measurements":[{"value":1427,"unit":"m","kind":"measured-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MAH"},{"value":1265.18,"unit":"m","kind":"vertical-depth","reference":"Rotary Table","sourceField":"END_DEPTH_MTVD"}],"sourceUrl":"https://www.nlog.nl/nlog-mapviewer/brh/106526350","purpose":"Development hydrocarbon","facility":"Neddrill 3","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/106526350"},"qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","url":"https://wellficent.com/en/wells/record/nl-nlog-q01-helm-a-02-s1"}]}