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WELL & ENERGY INTELLIGENCE
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35/11-21 A

Partial source coverage. Status and company roles are reported by each source, not independently verified as current. Unknown does not mean zero.

Name / source ID
35/11-21
Borehole / source record ID
8549
Sector
Oil and gas
Derived purpose group
Appraisal
Operator in source snapshot
Wellesley Petroleum AS
Recorded spud date
2018-09-06
Recorded completion date
2018-10-17
Latitude / longitude (WGS84)
61.157339 / 3.647308
Source-reported measurements
2931 m MD · RKB
Status reported by source
P&A
Source accessed
2026-10-02
Source snapshot date
Not reported / not verified
Original coordinate reference system
ED50 / service geometry EPSG:4326
Drilling facility reported by source
TRANSOCEAN ARCTIC

Company roles reported by source

Source-reported measurements
Source-reported measurementsValueReference
wlbTotalDepth2,931.00 mRKB
wlbFinalVerticalDepth2,638.00 mRKB
wlbWaterDepth360.00 mNot reported / not verified
Open source record ↗
JSON ↗Explore measurements ↗Data API ↗

Nearby wells and heat flow

These tools are descriptive: not forecasts, reserve estimates or investment advice. Source coverage is partial; unknown does not mean zero.

Nearby wells and heat flow
NameDistanceSource-reported measurementsSource catalogues
35/11-21 S0.00 km2,800 mNorwegian Offshore Directorate — Wellbores
35/12-71.34 km2,750 mNorwegian Offshore Directorate — Wellbores
35/12-21.50 km2,541 mNorwegian Offshore Directorate — Wellbores
35/11-12.91 km3,361 mNorwegian Offshore Directorate — Wellbores
35/12-4 S3.80 km3,585 mNorwegian Offshore Directorate — Wellbores
35/12-4 A3.80 km3,413 mNorwegian Offshore Directorate — Wellbores
35/11-14 S5.49 km3,306 mNorwegian Offshore Directorate — Wellbores
35/11-135.91 km3,292 mNorwegian Offshore Directorate — Wellbores
35/11-A-31 H6.43 km3,562 mNorwegian Offshore Directorate — Wellbores
35/11-A-31 AY1H6.43 km5,223 mNorwegian Offshore Directorate — Wellbores
35/11-A-31 AY2H6.43 km5,488 mNorwegian Offshore Directorate — Wellbores
35/11-A-33 Y1H6.43 km7,308 mNorwegian Offshore Directorate — Wellbores

Digital well log

SODIR formation tops, drilling-mud samples and well tests on one measured-depth section.

Total depth
2931
True vertical depth (RKB)
2638
Water depth
360
Bottom-hole temperature
—
35/11-21 A · Digital well log0733146621982931NORDLAND GPHORDALAND GPROGALAND GPSHETLAND GPVIKING GPBRENT GPDUNLIN GP
Depth (m MD, RKB)
Digital well log
GroupFormationDepth (m MD, RKB)
GROUPNORDLAND GP384 / 720
FORMATIONNO FORMAL NAME384 / 579
FORMATIONUTSIRA FM579 / 720
GROUPHORDALAND GP720 / 1,399
FORMATIONNO FORMAL NAME720 / 1,145
FORMATIONNO FORMAL NAME1,145 / 1,399
GROUPROGALAND GP1,399 / 2,055
FORMATIONBALDER FM1,399 / 1,513
FORMATIONSELE FM1,513 / 1,745
FORMATIONLISTA FM1,745 / 1,769
FORMATIONNO FORMAL NAME1,769 / 1,821
FORMATIONLISTA FM1,821 / 1,843
FORMATIONNO FORMAL NAME1,843 / 1,849
FORMATIONLISTA FM1,849 / 1,904
FORMATIONNO FORMAL NAME1,904 / 1,925
FORMATIONLISTA FM1,925 / 2,019
FORMATIONVÅLE FM2,019 / 2,055
GROUPSHETLAND GP2,055 / 2,264
FORMATIONJORSALFARE FM2,055 / 2,127
FORMATIONKYRRE FM2,127 / 2,264
GROUPVIKING GP2,264 / 2,725
FORMATIONHEATHER FM2,264 / 2,281
FORMATIONSOGNEFJORD FM2,281 / 2,320
FORMATIONHEATHER FM2,320 / 2,389
FORMATIONFENSFJORD FM2,389 / 2,467
FORMATIONHEATHER FM2,467 / 2,519
FORMATIONINTRA HEATHER FM SS2,519 / 2,543
FORMATIONHEATHER FM2,543 / 2,725
GROUPBRENT GP2,725 / 2,874
FORMATIONNESS FM2,725 / 2,792
FORMATIONETIVE FM2,792 / 2,809
FORMATIONRANNOCH FM2,809 / 2,847
FORMATIONOSEBERG FM2,847 / 2,874
GROUPDUNLIN GP2,874 / 2,931
FORMATIONDRAKE FM2,874 / 2,897
FORMATIONCOOK FM2,897 / 2,931
Mud density (g/cm³)
Depth (m MD, RKB)Mud density (g/cm³)Quality flags
9581.34observation-date-unreported, zero-meaning-unresolved
14501.34observation-date-unreported, zero-meaning-unresolved
21341.34observation-date-unreported, zero-meaning-unresolved
22021.24observation-date-unreported, zero-meaning-unresolved
23261.25observation-date-unreported, zero-meaning-unresolved
24671.24observation-date-unreported, zero-meaning-unresolved
26811.34observation-date-unreported, zero-meaning-unresolved
26811.24observation-date-unreported, zero-meaning-unresolved
29311.24observation-date-unreported, zero-meaning-unresolved

Group tops in offset wells

Group tops below each borehole's own RKB. Not TVD below sea level; deviation and kelly-bushing elevations affect apparent depths.

Group tops in offset wells
Group35/11-21 A35/11-21 S35/12-735/12-235/11-1
NORDLAND GP384384382.5389385
HORDALAND GP719.8719.8695675710
ROGALAND GP13991375132512851307
SHETLAND GP2055.11990178317701765
VIKING GP226423182018.619682018
BRENT GP2724.92595.22597.124502469
DUNLIN GP28742757.5——2583
STATFJORD GP————2995
HEGRE GP————3264.5

Subsurface temperature and heat flow

Compare bottom-hole temperatures with depth and see measured heat flow near wells: context for geothermal reuse.

Subsurface temperature and heat flow
NameDistanceSubsurface temperature and heat flowQuality flags
R24-P055259127.00 km50.00 mW/m2{"qualityScores":["U3.Mx.-------"]}
R24-P038356136.79 km44.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P038354142.09 km42.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
w.

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