{"snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","id":"uk-nsta-onshore-lq-25-4","wellId":"LQ/25- 4","sourceRecordId":"LQ/25- 4","name":"HERRIARD 2","wellName":"HERRIARD 2","catalogue":"uk-nsta-onshore","sector":"oil-gas","purposeGroup":"appraisal","classificationBasis":"wellficent-source-purpose-v2","classificationSha256":"83e4157601b4d73cb883d6e8578f9fe1ea467bb929d96a74071d77068ee8ca48","qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","sourcePurpose":"Appraisal","sourceStatus":"Decomissioned","operator":null,"operatorRole":null,"companies":[{"sourceId":null,"url":null,"name":"CARLESS EXPLORATION LIMITED","role":"licence-origin-operator"}],"basin":null,"area":"Landward","depth":"1521.87 m MD · Kelly Bushing","spudDate":"1985-05-10","completionDate":"1985-06-01","sourceUpdatedAt":null,"statusEffectiveDate":null,"authorizationDate":null,"operatorCode":null,"measuredDepthM":1521.866397686763,"measurements":[{"value":1521.866397686763,"unit":"m","kind":"measured-depth","reference":"Kelly Bushing","sourceField":"TDMDDEPM"},{"value":1094.8415983358407,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"latitude":51.2159777,"longitude":-1.0595637,"coordinateCrs":"EPSG:4326","positionAccuracy":null,"coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","sourceAsOf":null,"sourceCheckedAt":"2026-10-02","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27LQ%2F25-+4%27&outFields=%2A&outSR=4326&f=json","sourceAttribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceTermsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","sourceRightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"spudYear":null,"facility":null,"totalDepthReachedDate":"1985-05-31","completionStatus":"Abandoned Phase 3","wellboreStatus":"EXTANT","originStatus":"Decommissioned","targetField":"HERRIARD [pt. of HUMBLY GROVE]","prospect":null,"flowClass":"Dry Hole","fluidTypes":null,"parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL116","totalDepthLicenceNumber":null}
{"snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","id":"uk-nsta-onshore-l98-05-3","wellId":"L98/05- 3","sourceRecordId":"L98/05- 3","name":"HORNDEAN 4","wellName":"HORNDEAN 4","catalogue":"uk-nsta-onshore","sector":"oil-gas","purposeGroup":"appraisal","classificationBasis":"wellficent-source-purpose-v2","classificationSha256":"83e4157601b4d73cb883d6e8578f9fe1ea467bb929d96a74071d77068ee8ca48","qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","sourcePurpose":"Appraisal","sourceStatus":"Decomissioned","operator":"ISLAND GAS LIMITED","operatorRole":"responsible-wellbore-operator","companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"responsible-wellbore-operator"},{"sourceId":null,"url":null,"name":"CARLESS EXPLORATION LIMITED","role":"licence-origin-operator"},{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-td-operator"}],"basin":null,"area":"Landward","depth":"2065.02 m MD · Kelly Bushing","spudDate":"1984-09-14","completionDate":"1984-10-16","sourceUpdatedAt":null,"statusEffectiveDate":null,"authorizationDate":null,"operatorCode":null,"measuredDepthM":2065.0199968611696,"measurements":[{"value":2065.0199968611696,"unit":"m","kind":"measured-depth","reference":"Kelly Bushing","sourceField":"TDMDDEPM"},{"value":1981.5047969881127,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"latitude":50.916711,"longitude":-1.0579396,"coordinateCrs":"EPSG:4326","positionAccuracy":null,"coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","sourceAsOf":null,"sourceCheckedAt":"2026-10-02","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L98%2F05-+3%27&outFields=%2A&outSR=4326&f=json","sourceAttribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceTermsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","sourceRightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"spudYear":null,"facility":null,"totalDepthReachedDate":"1984-10-10","completionStatus":"Abandoned Phase 3","wellboreStatus":"EXTANT","originStatus":"Decommissioned","targetField":"HORNDEAN","prospect":null,"flowClass":"Oil Show","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL211","totalDepthLicenceNumber":null}
{"snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","id":"uk-nsta-onshore-l99-01-3","wellId":"L99/01- 3","sourceRecordId":"L99/01- 3","name":"HORNDEAN B1","wellName":"HORNDEAN B1","catalogue":"uk-nsta-onshore","sector":"oil-gas","purposeGroup":"appraisal","classificationBasis":"wellficent-source-purpose-v2","classificationSha256":"83e4157601b4d73cb883d6e8578f9fe1ea467bb929d96a74071d77068ee8ca48","qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","sourcePurpose":"Appraisal","sourceStatus":"Constructed","operator":"ISLAND GAS LIMITED","operatorRole":"responsible-wellbore-operator","companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"responsible-wellbore-operator"},{"sourceId":null,"url":null,"name":"CARLESS EXPLORATION LIMITED","role":"licence-origin-operator"},{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-td-operator"}],"basin":null,"area":"Landward","depth":"1828.19 m MD · Kelly Bushing","spudDate":"1984-08-04","completionDate":"1984-09-04","sourceUpdatedAt":null,"statusEffectiveDate":null,"authorizationDate":null,"operatorCode":null,"measuredDepthM":1828.1903972211505,"measurements":[{"value":1828.1903972211505,"unit":"m","kind":"measured-depth","reference":"Kelly Bushing","sourceField":"TDMDDEPM"},{"value":1415.79599784799,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"latitude":50.9079525,"longitude":-0.9979669,"coordinateCrs":"EPSG:4326","positionAccuracy":null,"coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","sourceAsOf":null,"sourceCheckedAt":"2026-10-02","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L99%2F01-+3%27&outFields=%2A&outSR=4326&f=json","sourceAttribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceTermsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","sourceRightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"spudYear":null,"facility":null,"totalDepthReachedDate":"1984-09-03","completionStatus":"Completed (Shut In)","wellboreStatus":"EXTANT","originStatus":"Present","targetField":"HORNDEAN","prospect":null,"flowClass":"Oil Well","fluidTypes":"Water","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL211","totalDepthLicenceNumber":null}
{"snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","id":"uk-nsta-onshore-l99-01-2","wellId":"L99/01- 2","sourceRecordId":"L99/01- 2","name":"HORNDEAN C1 (2)","wellName":"HORNDEAN C1 (2)","catalogue":"uk-nsta-onshore","sector":"oil-gas","purposeGroup":"appraisal","classificationBasis":"wellficent-source-purpose-v2","classificationSha256":"83e4157601b4d73cb883d6e8578f9fe1ea467bb929d96a74071d77068ee8ca48","qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","sourcePurpose":"Appraisal","sourceStatus":"Suspended","operator":"ISLAND GAS LIMITED","operatorRole":"responsible-wellbore-operator","companies":[{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"responsible-wellbore-operator"},{"sourceId":null,"url":null,"name":"CARLESS EXPLORATION LIMITED","role":"licence-origin-operator"},{"sourceId":null,"url":null,"name":"ISLAND GAS LIMITED","role":"licence-td-operator"}],"basin":null,"area":"Landward","depth":"1594.1 m MD · Kelly Bushing","spudDate":"1984-05-07","completionDate":"1984-06-08","sourceUpdatedAt":null,"statusEffectiveDate":null,"authorizationDate":null,"operatorCode":null,"measuredDepthM":1594.1039975769618,"measurements":[{"value":1594.1039975769618,"unit":"m","kind":"measured-depth","reference":"Kelly Bushing","sourceField":"TDMDDEPM"},{"value":1519.4279976904693,"unit":"m","kind":"vertical-depth","reference":"subsea","sourceField":"TDTVDSSM"}],"latitude":50.9050354,"longitude":-0.9686464,"coordinateCrs":"EPSG:4326","positionAccuracy":null,"coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","sourceAsOf":null,"sourceCheckedAt":"2026-10-02","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27L99%2F01-+2%27&outFields=%2A&outSR=4326&f=json","sourceAttribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceTermsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","sourceRightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"spudYear":null,"facility":null,"totalDepthReachedDate":"1984-06-01","completionStatus":"Abandoned Phase 1","wellboreStatus":"EXTANT","originStatus":"Present","targetField":"HORNDEAN","prospect":null,"flowClass":"Oil Well","fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL211","totalDepthLicenceNumber":null}
{"snapshotSha256":"7d6e677299352a7b989393edc6a851c0822df0e5f2355d2bd0f6d0b3c86192df","sourceSha256":"74a5e0ef337cacaf14ebdb8a12596949f8d61fb45a9ea8be3d9dcaa69031ca87","id":"uk-nsta-onshore-lr-21-a1","wellId":"LR/21-A1","sourceRecordId":"LR/21-A1","name":"HUMBLY GROVE A1","wellName":"HUMBLY GROVE A1","catalogue":"uk-nsta-onshore","sector":"oil-gas","purposeGroup":"appraisal","classificationBasis":"wellficent-source-purpose-v2","classificationSha256":"83e4157601b4d73cb883d6e8578f9fe1ea467bb929d96a74071d77068ee8ca48","qualityFlags":[],"qualityRuleVersion":"wellficent-row-quality-v1","sourcePurpose":"Appraisal","sourceStatus":"Constructed","operator":"HUMBLY GROVE ENERGY LIMITED","operatorRole":"responsible-wellbore-operator","companies":[{"sourceId":null,"url":null,"name":"HUMBLY GROVE ENERGY LIMITED","role":"responsible-wellbore-operator"},{"sourceId":null,"url":null,"name":"HUMBLY GROVE ENERGY LIMITED","role":"licence-origin-operator"},{"sourceId":null,"url":null,"name":"CARLESS EXPLORATION LIMITED","role":"licence-td-operator"}],"basin":null,"area":"Landward","depth":"1506.02 m MD · Ground Level Elevation","spudDate":"1982-02-28","completionDate":"1982-05-01","sourceUpdatedAt":null,"statusEffectiveDate":null,"authorizationDate":null,"operatorCode":null,"measuredDepthM":1506.0167977108545,"measurements":[{"value":1506.0167977108545,"unit":"m","kind":"measured-depth","reference":"Ground Level Elevation","sourceField":"TDMDDEPM"}],"latitude":51.2024246,"longitude":-0.9918789,"coordinateCrs":"EPSG:4326","positionAccuracy":null,"coordinateMethod":"official-WGS84-top-hole-geometry-outSR-4326","sourceAsOf":null,"sourceCheckedAt":"2026-10-02","sourceUrl":"https://services-eu1.arcgis.com/OZMfUznmLTnWccBc/arcgis/rest/services/UKCS%20onshore%20petroleum%20wells%20top%20holes%20WGS84/FeatureServer/0/query?where=WELLREGNO%3D%27LR%2F21-A1%27&outFields=%2A&outSR=4326&f=json","sourceAttribution":"Contains information provided by the North Sea Transition Authority and/or other third parties.","sourceTermsUrl":"https://www.nstauthority.co.uk/media/u51lhvio/nsta-user-agreeement-june-2023.pdf","sourceRightsReviewUrl":"https://www.arcgis.com/home/item.html?id=d40f9dc58ca84268935582152a5b20f9","reuseLicense":"nsta-user-agreement-2023-noncommercial","commercialUseAllowed":false,"spudYear":null,"facility":null,"totalDepthReachedDate":"1982-04-05","completionStatus":"Completed (Operating)","wellboreStatus":"EXTANT","originStatus":"Present","targetField":"HUMBLY GROVE","prospect":null,"flowClass":null,"fluidTypes":"Oil","parentWell":null,"parentRole":null,"sidetrackType":null,"licenceNumber":"PL116","totalDepthLicenceNumber":"PL116"}
