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7121/4-2

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
7121/4-2
Borehole / source record ID
461
Sector
Oil and gas
Derived purpose group
Exploration
Operator in source snapshot
Den norske stats oljeselskap a.s
Recorded spud date
1985-01-29
Recorded completion date
1985-04-14
Latitude / longitude (WGS84)
71.657406 / 21.061054
Source-reported measurements
2800 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
WEST VANGUARD

Company roles reported by source

Source-reported measurements
Source-reported measurementsValueReference
wlbTotalDepth2,800.00 mRKB
wlbFinalVerticalDepth2,798.50 mRKB
wlbWaterDepth317.00 mNot reported / not verified
wlbBottomHoleTemperature95.00 °CNot reported / not verified
Open source record ↗

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
7121/4-G-1 H0.23 km3,021 mNorwegian Offshore Directorate — Wellbores
7121/4-G-4 H0.23 km3,705 mNorwegian Offshore Directorate — Wellbores
7121/4-F-2 H5.15 km2,906 mNorwegian Offshore Directorate — Wellbores
7121/4-F-3 H5.15 km5,754 mNorwegian Offshore Directorate — Wellbores
7121/4-F-1 H5.16 km5,048 mNorwegian Offshore Directorate — Wellbores
7120/6-U-15.93 kmNot reported / not verified mNorwegian Offshore Directorate — Wellbores
7120/6-16.15 km2,820 mNorwegian Offshore Directorate — Wellbores
7121/4-17.17 km2,609 mNorwegian Offshore Directorate — Wellbores
7121/4-E-3 H8.14 km2,708 mNorwegian Offshore Directorate — Wellbores
7121/4-E-2 H8.14 km2,830 mNorwegian Offshore Directorate — Wellbores
7121/4-E-4 H8.15 km2,518 mNorwegian Offshore Directorate — Wellbores
7120/6-2 S10.39 km3,242 mNorwegian Offshore Directorate — Wellbores

Digital well log

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

Total depth
2800
True vertical depth (RKB)
2798.5
Water depth
317
Bottom-hole temperature
95
7121/4-2 · Digital well log0700140021002800NORDLAND GPSOTBAKKEN GPNYGRUNNEN GPADVENTDALEN GPKAPP TOSCANA GP
Depth (m MD, RKB)
Digital well log
GroupFormationDepth (m MD, RKB)
GROUPNORDLAND GP339 / 420
GROUPSOTBAKKEN GP420 / 1,068
FORMATIONTORSK FM420 / 1,068
GROUPNYGRUNNEN GP1,068 / 1,112
FORMATIONKVEITE FM1,068 / 1,112
GROUPADVENTDALEN GP1,112 / 2,480
FORMATIONKOLMULE FM1,112 / 1,885
FORMATIONKOLJE FM1,885 / 2,226
FORMATIONKNURR FM2,226 / 2,338
FORMATIONHEKKINGEN FM2,338 / 2,450
FORMATIONFUGLEN FM2,450 / 2,480
GROUPKAPP TOSCANA GP2,480 / 2,800
FORMATIONSTØ FM2,480 / 2,557
FORMATIONNORDMELA FM2,557 / 2,642
FORMATIONTUBÅEN FM2,642 / 2,737
FORMATIONFRUHOLMEN FM2,737 / 2,800
Mud density (g/cm³)
Depth (m MD, RKB)Mud density (g/cm³)Quality flags
9181.17observation-date-unreported, zero-meaning-unresolved
11401.12observation-date-unreported, zero-meaning-unresolved
12611.14observation-date-unreported, zero-meaning-unresolved
14581.16observation-date-unreported, zero-meaning-unresolved
16921.16observation-date-unreported, zero-meaning-unresolved
17691.12observation-date-unreported, zero-meaning-unresolved
17741.16observation-date-unreported, zero-meaning-unresolved
20091.12observation-date-unreported, zero-meaning-unresolved
22781.2observation-date-unreported, zero-meaning-unresolved
24601.37observation-date-unreported, zero-meaning-unresolved
25871.23observation-date-unreported, zero-meaning-unresolved
26291.23observation-date-unreported, zero-meaning-unresolved
26771.23observation-date-unreported, zero-meaning-unresolved
27251.23observation-date-unreported, zero-meaning-unresolved
28001.23observation-date-unreported, zero-meaning-unresolved
Well tests
Well testsDepth (m MD, RKB)Measurements
12484 / 2493{"test-from-depth":{"value":2484,"unit":"m","reference":null,"qualityFlags":[]},"test-to-depth":{"value":2493,"unit":"m","reference":null,"qualityFlags":[]},"choke-size":{"value":16,"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":65,"unit":"degC","reference":"DST","qualityFlags":[]},"test-oil-flow":{"value":20,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"test-gas-flow":{"value":527000,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"oil-density":{"value":0.769,"unit":"g/cm3","reference":"DST","qualityFlags":[]},"gas-relative-density":{"value":0.647,"unit":"1","reference":"air = 1","qualityFlags":[]},"test-gas-oil-ratio":{"value":27300,"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
Group7121/4-27120/6-17121/4-17120/6-2 S
NORDLAND GP339337357344
SOTBAKKEN GP420410447459
NYGRUNNEN GP10681080.510161137
ADVENTDALEN GP1112111710521176
KAPP TOSCANA GP24802385.523182564

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-P048231174.91 km53.70 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P064929203.00 km33.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P064818203.00 km33.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
w.

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