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7121/4-1

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
7121/4-1
Borehole / source record ID
135
Sector
Oil and gas
Derived purpose group
Exploration
Operator in source snapshot
Den norske stats oljeselskap a.s
Recorded spud date
1984-08-06
Recorded completion date
1984-10-27
Latitude / longitude (WGS84)
71.600068 / 21.154629
Source-reported measurements
2609 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
wlbTotalDepth2,609.00 mRKB
wlbFinalVerticalDepth2,609.00 mRKB
wlbWaterDepth335.00 mNot reported / not verified
wlbBottomHoleTemperature88.00 °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-E-2 H1.12 km2,830 mNorwegian Offshore Directorate — Wellbores
7121/4-E-3 H1.13 km2,708 mNorwegian Offshore Directorate — Wellbores
7121/4-E-4 H1.14 km2,518 mNorwegian Offshore Directorate — Wellbores
7121/4-F-3 H3.70 km5,754 mNorwegian Offshore Directorate — Wellbores
7121/4-F-2 H3.70 km2,906 mNorwegian Offshore Directorate — Wellbores
7121/4-F-1 H3.70 km5,048 mNorwegian Offshore Directorate — Wellbores
7121/4-D-2 H4.29 km2,680 mNorwegian Offshore Directorate — Wellbores
7121/4-D-1 H4.30 km2,680 mNorwegian Offshore Directorate — Wellbores
7121/4-D-4 H4.30 km2,983 mNorwegian Offshore Directorate — Wellbores
7121/4-G-1 H7.04 km3,021 mNorwegian Offshore Directorate — Wellbores
7121/4-G-4 H7.05 km3,705 mNorwegian Offshore Directorate — Wellbores
7121/4-27.17 km2,800 mNorwegian Offshore Directorate — Wellbores

Digital well log

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

Total depth
2609
True vertical depth (RKB)
2609
Water depth
335
Bottom-hole temperature
88
7121/4-1 · Digital well log0652130519572609NORDLAND GPSOTBAKKEN GPNYGRUNNEN GPADVENTDALEN GPKAPP TOSCANA GP
Depth (m MD, RKB)
Digital well log
GroupFormationDepth (m MD, RKB)
GROUPNORDLAND GP357 / 447
GROUPSOTBAKKEN GP447 / 1,016
FORMATIONTORSK FM447 / 1,016
GROUPNYGRUNNEN GP1,016 / 1,052
FORMATIONKVEITE FM1,016 / 1,052
GROUPADVENTDALEN GP1,052 / 2,318
FORMATIONKOLMULE FM1,052 / 1,817
FORMATIONKOLJE FM1,817 / 2,136
FORMATIONKNURR FM2,136 / 2,237
FORMATIONHEKKINGEN FM2,237 / 2,307
FORMATIONFUGLEN FM2,307 / 2,318
GROUPKAPP TOSCANA GP2,318 / 2,609
FORMATIONSTØ FM2,318 / 2,396
FORMATIONNORDMELA FM2,396 / 2,469
FORMATIONTUBÅEN FM2,469 / 2,532
FORMATIONFRUHOLMEN FM2,532 / 2,609
Mud density (g/cm³)
Depth (m MD, RKB)Mud density (g/cm³)Quality flags
4221.05observation-date-unreported, zero-meaning-unresolved
7501.07observation-date-unreported, zero-meaning-unresolved
8171.05observation-date-unreported, zero-meaning-unresolved
11201.12observation-date-unreported, zero-meaning-unresolved
13551.12observation-date-unreported, zero-meaning-unresolved
14451.2observation-date-unreported, zero-meaning-unresolved
18661.27observation-date-unreported, zero-meaning-unresolved
20731.3observation-date-unreported, zero-meaning-unresolved
22851.39observation-date-unreported, zero-meaning-unresolved
22881.45observation-date-unreported, zero-meaning-unresolved
23661.45observation-date-unreported, zero-meaning-unresolved
25871.3observation-date-unreported, zero-meaning-unresolved
Well tests
Well testsDepth (m MD, RKB)Measurements
42353 / 2385{"test-from-depth":{"value":2353,"unit":"m","reference":null,"qualityFlags":[]},"test-to-depth":{"value":2385,"unit":"m","reference":null,"qualityFlags":[]},"choke-size":{"value":25.4,"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":86,"unit":"degC","reference":"DST","qualityFlags":[]},"test-oil-flow":{"value":109,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"test-gas-flow":{"value":846000,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"oil-density":{"value":0.76,"unit":"g/cm3","reference":"DST","qualityFlags":[]},"gas-relative-density":{"value":0.7,"unit":"1","reference":"air = 1","qualityFlags":[]},"test-gas-oil-ratio":{"value":7760,"unit":"m3/m3","reference":"DST","qualityFlags":[]}}
32419.8 / 2434.8{"test-from-depth":{"value":2419.8,"unit":"m","reference":null,"qualityFlags":[]},"test-to-depth":{"value":2434.8,"unit":"m","reference":null,"qualityFlags":[]},"choke-size":{"value":12.7,"unit":"mm","reference":null,"qualityFlags":[]},"final-shut-in-pressure":{"value":18,"unit":"MPa","reference":"DST final shut-in; pressure datum unreported","qualityFlags":[]},"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":86,"unit":"degC","reference":"DST","qualityFlags":[]},"test-oil-flow":{"value":94,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"test-gas-flow":{"value":89000,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"oil-density":{"value":0.85,"unit":"g/cm3","reference":"DST","qualityFlags":[]},"gas-relative-density":{"value":0.73,"unit":"1","reference":"air = 1","qualityFlags":[]},"test-gas-oil-ratio":{"value":946,"unit":"m3/m3","reference":"DST","qualityFlags":[]}}
22465.9 / 2471.9{"test-from-depth":{"value":2465.9,"unit":"m","reference":null,"qualityFlags":[]},"test-to-depth":{"value":2471.9,"unit":"m","reference":null,"qualityFlags":[]},"choke-size":{"value":19.1,"unit":"mm","reference":null,"qualityFlags":[]},"final-shut-in-pressure":{"value":13,"unit":"MPa","reference":"DST final shut-in; pressure datum unreported","qualityFlags":[]},"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":67,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"test-gas-flow":{"value":771600,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"oil-density":{"value":0.85,"unit":"g/cm3","reference":"DST","qualityFlags":[]},"gas-relative-density":{"value":0.73,"unit":"1","reference":"air = 1","qualityFlags":[]},"test-gas-oil-ratio":{"value":11516,"unit":"m3/m3","reference":"DST","qualityFlags":[]}}
12497.6 / 2504.2{"test-from-depth":{"value":2497.6,"unit":"m","reference":null,"qualityFlags":[]},"test-to-depth":{"value":2504.2,"unit":"m","reference":null,"qualityFlags":[]},"choke-size":{"value":25.4,"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":86,"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
Group7121/4-17121/4-2
NORDLAND GP357339
SOTBAKKEN GP447420
NYGRUNNEN GP10161068
ADVENTDALEN GP10521112
KAPP TOSCANA GP23182480

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-P048231179.74 km53.70 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P060792200.27 km74.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P064929208.97 km33.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
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