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WELL & ENERGY INTELLIGENCE
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31/4-8

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
31/4-8
Borehole / source record ID
312
Sector
Oil and gas
Derived purpose group
Appraisal
Operator in source snapshot
Norsk Hydro Produksjon AS
Recorded spud date
1986-03-21
Recorded completion date
1986-05-11
Latitude / longitude (WGS84)
60.522487 / 3.000965
Source-reported measurements
2611 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 HUNTER

Company roles reported by source

Source-reported measurements
Source-reported measurementsValueReference
wlbTotalDepth2,611.00 mRKB
wlbFinalVerticalDepth2,611.00 mRKB
wlbWaterDepth124.00 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
31/4-61.65 km2,447 mNorwegian Offshore Directorate — Wellbores
30/6-82.25 km3,600 mNorwegian Offshore Directorate — Wellbores
31/4-U-43.23 km91 mNorwegian Offshore Directorate — Wellbores
31/4-U-83.23 km49 mNorwegian Offshore Directorate — Wellbores
31/4-A-133.26 km3,803 mNorwegian Offshore Directorate — Wellbores
31/4-A-13 A3.26 km4,894 mNorwegian Offshore Directorate — Wellbores
31/4-A-13 B3.26 km4,600 mNorwegian Offshore Directorate — Wellbores
31/4-A-13 C3.26 km7,799 mNorwegian Offshore Directorate — Wellbores
31/4-A-13 D3.26 km8,501 mNorwegian Offshore Directorate — Wellbores
31/4-A-13 E3.26 km9,050 mNorwegian Offshore Directorate — Wellbores
31/4-A-13 F3.26 km7,571 mNorwegian Offshore Directorate — Wellbores
31/4-A-93.27 km6,602 mNorwegian Offshore Directorate — Wellbores

Digital well log

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

Total depth
2611
True vertical depth (RKB)
2611
Water depth
124
Bottom-hole temperature
—
31/4-8 · Digital well log0653130619582611NORDLAND GPHORDALAND GPROGALAND GPSHETLAND GPCROMER KNOLL GPVIKING GPDUNLIN GPSTATFJORD GPHEGRE GP
Depth (m MD, RKB)
Digital well log
GroupFormationDepth (m MD, RKB)
GROUPNORDLAND GP149 / 827
FORMATIONUTSIRA FM668 / 1,837
GROUPHORDALAND GP827 / 1,837
GROUPROGALAND GP1,837 / 2,024
FORMATIONBALDER FM1,837 / 1,900
FORMATIONSELE FM1,900 / 1,937
FORMATIONLISTA FM1,937 / 2,085
GROUPSHETLAND GP2,024 / 2,079
GROUPCROMER KNOLL GP2,079 / 2,085
GROUPVIKING GP2,085 / 2,117
FORMATIONDRAUPNE FM2,085 / 2,088
FORMATIONFENSFJORD FM2,088 / 2,117
GROUPDUNLIN GP2,117 / 2,346
FORMATIONDRAKE FM2,117 / 2,222
FORMATIONCOOK FM2,222 / 2,255
FORMATIONAMUNDSEN FM2,255 / 2,438
GROUPSTATFJORD GP2,346 / 2,438
GROUPHEGRE GP2,438 / 2,611
FORMATIONLUNDE FM2,438 / 2,611
Mud density (g/cm³)
Depth (m MD, RKB)Mud density (g/cm³)Quality flags
1901.03zero-meaning-unresolved
2361.03zero-meaning-unresolved
2401.1zero-meaning-unresolved
2421.03zero-meaning-unresolved
242zero-meaning-unresolved
5071.03zero-meaning-unresolved
6091.03zero-meaning-unresolved
9001.03zero-meaning-unresolved
900zero-meaning-unresolved
9031.2
12311.26
15061.35
18281.35
20151.35
2030zero-meaning-unresolved
20301.4
2030zero-meaning-unresolved
20441.21
22221.21
23401.21
23471.2
23591.2
23911.2
24141.21
24441.2
24871.2
25531.2
2553zero-meaning-unresolved
2553zero-meaning-unresolved
2553zero-meaning-unresolved
2553zero-meaning-unresolved
2553zero-meaning-unresolved
2553zero-meaning-unresolved
2553zero-meaning-unresolved
25561.2
25701.2
2570zero-meaning-unresolved
2570zero-meaning-unresolved
2570zero-meaning-unresolved
25721.2
26111.2
Well tests
Well testsDepth (m MD, RKB)Measurements
12349.1 / 2397.6{"test-from-depth":{"value":2349.1,"unit":"m","reference":null,"qualityFlags":[]},"test-to-depth":{"value":2397.6,"unit":"m","reference":null,"qualityFlags":[]},"choke-size":{"value":12.7,"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":95,"unit":"degC","reference":"DST","qualityFlags":[]},"test-oil-flow":{"value":503,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"test-gas-flow":{"value":19900,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"oil-density":{"value":0.83,"unit":"g/cm3","reference":"DST","qualityFlags":[]},"gas-relative-density":{"value":0.82,"unit":"1","reference":"air = 1","qualityFlags":[]},"test-gas-oil-ratio":{"value":40,"unit":"m3/m3","reference":"DST","qualityFlags":[]}}
22421.7 / 2437.4{"test-from-depth":{"value":2421.7,"unit":"m","reference":null,"qualityFlags":[]},"test-to-depth":{"value":2437.4,"unit":"m","reference":null,"qualityFlags":[]},"choke-size":{"value":50.8,"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":98,"unit":"degC","reference":"DST","qualityFlags":[]},"test-oil-flow":{"value":0,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":["zero-meaning-unresolved"]},"test-gas-flow":{"value":0,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":["zero-meaning-unresolved"]},"oil-density":{"value":0,"unit":"g/cm3","reference":"DST","qualityFlags":["zero-meaning-unresolved"]},"gas-relative-density":{"value":0,"unit":"1","reference":"air = 1","qualityFlags":["zero-meaning-unresolved"]},"test-gas-oil-ratio":{"value":0,"unit":"m3/m3","reference":"DST","qualityFlags":["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
Group31/4-831/4-630/6-831/4-A-13 C
NORDLAND GP149155146—
HORDALAND GP827854862.5—
ROGALAND GP183718101915.53573
SHETLAND GP202420612201.54706
CROMER KNOLL GP2079210923045023
VIKING GP20852122.523805053
DUNLIN GP2117238031717225
BRENT GP—2317.530247010
STATFJORD GP2346—35327704
HEGRE GP2438———

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-P055259126.68 km50.00 mW/m2{"qualityScores":["U3.Mx.-------"]}
R24-P038356134.60 km44.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P038365185.44 km57.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
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