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31/4-3

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
31/4-3
Borehole / source record ID
402
Sector
Oil and gas
Derived purpose group
Exploration
Operator in source snapshot
Norsk Hydro Produksjon AS
Recorded spud date
1979-12-24
Recorded completion date
1980-05-11
Latitude / longitude (WGS84)
60.586206 / 3.092217
Source-reported measurements
4981 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
TREASURE SEEKER

Company roles reported by source

Source-reported measurements
Source-reported measurementsValueReference
wlbTotalDepth4,981.00 mRKB
wlbWaterDepth170.00 mNot reported / not verified
wlbBottomHoleTemperature143.00 °CNot 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
31/4-112.82 km3,271 mNorwegian Offshore Directorate — Wellbores
31/4-53.72 km2,930 mNorwegian Offshore Directorate — Wellbores
31/4-123.99 km2,226 mNorwegian Offshore Directorate — Wellbores
31/4-12 A3.99 kmNot reported / not verified mNorwegian Offshore Directorate — Wellbores
31/4-74.58 km2,505 mNorwegian Offshore Directorate — Wellbores
31/4-15.07 km1,000 mNorwegian Offshore Directorate — Wellbores
31/4-25.10 km2,900 mNorwegian Offshore Directorate — Wellbores
31/4-U-75.46 km34 mNorwegian Offshore Directorate — Wellbores
31/4-U-95.48 km26 mNorwegian Offshore Directorate — Wellbores
31/4-U-55.49 km86 mNorwegian Offshore Directorate — Wellbores
31/4-U-65.50 km76 mNorwegian Offshore Directorate — Wellbores
31/4-U-25.51 km94 mNorwegian Offshore Directorate — Wellbores

Digital well log

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

Total depth
4981
True vertical depth (RKB)
—
Water depth
170
Bottom-hole temperature
143
31/4-3 · Digital well log01245249137364981NORDLAND GPHORDALAND GPROGALAND GPSHETLAND GPVIKING GPBRENT GPDUNLIN GPSTATFJORD GPHEGRE GP
Depth (m MD, RKB)
Digital well log
GroupFormationDepth (m MD, RKB)
GROUPNORDLAND GP195 / 906
FORMATIONUTSIRA FM726 / 1,723
GROUPHORDALAND GP906 / 1,723
GROUPROGALAND GP1,723 / 1,965
FORMATIONBALDER FM1,723 / 1,744
FORMATIONSELE FM1,744 / 1,810
FORMATIONLISTA FM1,810 / 1,940
FORMATIONVÅLE FM1,940 / 2,010
GROUPSHETLAND GP1,965 / 2,010
GROUPVIKING GP2,010 / 2,327
FORMATIONDRAUPNE FM2,010 / 2,018
FORMATIONSOGNEFJORD FM2,018 / 2,082
FORMATIONHEATHER FM2,082 / 2,136
FORMATIONFENSFJORD FM2,136 / 2,411
GROUPBRENT GP2,327 / 2,411
GROUPDUNLIN GP2,411 / 2,702
FORMATIONDRAKE FM2,411 / 2,448
FORMATIONCOOK FM2,448 / 2,470
FORMATIONAMUNDSEN FM2,470 / 2,543
FORMATIONJOHANSEN FM2,543 / 4,450
GROUPSTATFJORD GP2,702 / 2,879
GROUPHEGRE GP2,879 / 4,981
FORMATIONNO FORMAL NAME4,450 / 4,981
Mud density (g/cm³)
Depth (m MD, RKB)Mud density (g/cm³)Quality flags
2651.01observation-date-unreported, zero-meaning-unresolved
9901.28observation-date-unreported, zero-meaning-unresolved
13611.4observation-date-unreported, zero-meaning-unresolved
19061.4observation-date-unreported, zero-meaning-unresolved
20781.3observation-date-unreported, zero-meaning-unresolved
25881.27observation-date-unreported, zero-meaning-unresolved
36411.21observation-date-unreported, zero-meaning-unresolved
48581.19observation-date-unreported, zero-meaning-unresolved
Well tests
Well testsDepth (m MD, RKB)Measurements
21998 / 2015{"test-from-depth":{"value":1998,"unit":"m","reference":null,"qualityFlags":[]},"test-to-depth":{"value":2015,"unit":"m","reference":null,"qualityFlags":[]},"choke-size":{"value":19,"unit":"mm","reference":null,"qualityFlags":[]},"final-shut-in-pressure":{"value":0,"unit":"MPa","reference":"DST final shut-in; pressure datum unreported","qualityFlags":["zero-meaning-unresolved"]},"final-flow-pressure":{"value":0,"unit":"MPa","reference":"DST final flow; pressure datum unreported","qualityFlags":["zero-meaning-unresolved"]},"bottom-hole-pressure":{"value":0,"unit":"MPa","reference":"DST bottom hole; pressure datum unreported","qualityFlags":["zero-meaning-unresolved"]},"downhole-temperature":{"value":0,"unit":"degC","reference":"DST","qualityFlags":["zero-meaning-unresolved"]},"test-oil-flow":{"value":245,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"test-gas-flow":{"value":153000,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"oil-density":{"value":0.825,"unit":"g/cm3","reference":"DST","qualityFlags":[]},"gas-relative-density":{"value":0.674,"unit":"1","reference":"air = 1","qualityFlags":[]},"test-gas-oil-ratio":{"value":641,"unit":"m3/m3","reference":"DST","qualityFlags":[]}}
12127 / 2143{"test-from-depth":{"value":2127,"unit":"m","reference":null,"qualityFlags":[]},"test-to-depth":{"value":2143,"unit":"m","reference":null,"qualityFlags":[]},"choke-size":{"value":19,"unit":"mm","reference":null,"qualityFlags":[]},"final-shut-in-pressure":{"value":0,"unit":"MPa","reference":"DST final shut-in; pressure datum unreported","qualityFlags":["zero-meaning-unresolved"]},"final-flow-pressure":{"value":0,"unit":"MPa","reference":"DST final flow; pressure datum unreported","qualityFlags":["zero-meaning-unresolved"]},"bottom-hole-pressure":{"value":0,"unit":"MPa","reference":"DST bottom hole; pressure datum unreported","qualityFlags":["zero-meaning-unresolved"]},"downhole-temperature":{"value":0,"unit":"degC","reference":"DST","qualityFlags":["zero-meaning-unresolved"]},"test-oil-flow":{"value":170,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"test-gas-flow":{"value":11000,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"oil-density":{"value":0.851,"unit":"g/cm3","reference":"DST","qualityFlags":[]},"gas-relative-density":{"value":0.73,"unit":"1","reference":"air = 1","qualityFlags":[]},"test-gas-oil-ratio":{"value":64,"unit":"m3/m3","reference":"DST","qualityFlags":[]}}

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
Group31/4-331/4-1131/4-531/4-1231/4-7
NORDLAND GP195209168235161
HORDALAND GP906802911895965
ROGALAND GP1723172517721718.51769
SHETLAND GP19652019201119771987
CROMER KNOLL GP—209820501995—
VIKING GP2010213020602042.52026
DUNLIN GP241127852356—2102
BRENT GP232726442278——
STATFJORD GP270231782645—2384
HEGRE GP2879—2849——

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-P055259123.01 km50.00 mW/m2{"qualityScores":["U3.Mx.-------"]}
R24-P038356131.27 km44.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P038365180.02 km57.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
w.

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