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25/4-6 S

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
25/4-6
Borehole / source record ID
1703
Sector
Oil and gas
Derived purpose group
Exploration
Operator in source snapshot
Elf Petroleum Norge AS
Recorded spud date
1991-04-15
Recorded completion date
1991-08-24
Latitude / longitude (WGS84)
59.709283 / 2.316226
Source-reported measurements
4170 m MD · RKB
Status reported by source
SUSPENDED
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
wlbTotalDepth4,170.00 mRKB
wlbFinalVerticalDepth4,136.00 mRKB
wlbWaterDepth114.00 mNot reported / not verified
wlbBottomHoleTemperature143.00 °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
25/4-6 SR0.00 km4,179 mNorwegian Offshore Directorate — Wellbores
25/4-U-40.54 kmNot reported / not verified mNorwegian Offshore Directorate — Wellbores
25/4-U-20.54 kmNot reported / not verified mNorwegian Offshore Directorate — Wellbores
25/4-U-50.54 kmNot reported / not verified mNorwegian Offshore Directorate — Wellbores
25/4-C-1 H0.58 km4,004 mNorwegian Offshore Directorate — Wellbores
25/4-C-1 AH0.58 km5,212 mNorwegian Offshore Directorate — Wellbores
25/4-U-30.60 kmNot reported / not verified mNorwegian Offshore Directorate — Wellbores
25/4-9 S4.73 km2,377 mNorwegian Offshore Directorate — Wellbores
25/5-65.51 km2,446 mNorwegian Offshore Directorate — Wellbores
25/5-U-85.77 km152 mNorwegian Offshore Directorate — Wellbores
25/5-U-75.81 km164 mNorwegian Offshore Directorate — Wellbores
25/5-U-95.82 km151 mNorwegian Offshore Directorate — Wellbores

Digital well log

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

Total depth
4170
True vertical depth (RKB)
4136
Water depth
114
Bottom-hole temperature
143
25/4-6 S · Digital well log01043208531284170NORDLAND GPHORDALAND GPROGALAND GPSHETLAND GPCROMER KNOLL GPVIKING GPVESTLAND GPDUNLIN GPSTATFJORD GP
Depth (m MD, RKB)
Digital well log
GroupFormationDepth (m MD, RKB)
GROUPNORDLAND GP136 / 976
FORMATIONUTSIRA FM225 / 1,192
GROUPHORDALAND GP976 / 2,121
FORMATIONSKADE FM1,192 / 1,203
FORMATIONNO FORMAL NAME1,203 / 1,272
FORMATIONGRID FM1,272 / 1,362
FORMATIONNO FORMAL NAME1,362 / 2,121
GROUPROGALAND GP2,121 / 2,759
FORMATIONBALDER FM2,121 / 2,136
FORMATIONSELE FM2,136 / 2,169
FORMATIONLISTA FM2,169 / 2,200
FORMATIONHEIMDAL FM2,200 / 2,611
FORMATIONVÅLE FM2,611 / 2,759
GROUPSHETLAND GP2,759 / 3,532
FORMATIONTOR FM2,759 / 2,903
FORMATIONKYRRE FM2,903 / 3,335
FORMATIONTRYGGVASON FM3,335 / 3,381
FORMATIONBLODØKS FM3,381 / 3,485
FORMATIONSVARTE FM3,485 / 3,532
GROUPCROMER KNOLL GP3,532 / 3,571
FORMATIONRØDBY FM3,532 / 3,545
FORMATIONSOLA FM3,545 / 3,563
FORMATIONÅSGARD FM3,563 / 3,571
GROUPVIKING GP3,571 / 3,716
FORMATIONDRAUPNE FM3,571 / 3,619
FORMATIONHEATHER FM3,619 / 3,716
GROUPVESTLAND GP3,716 / 3,940
FORMATIONHUGIN FM3,716 / 3,874
FORMATIONSLEIPNER FM3,874 / 4,170
GROUPDUNLIN GP3,940 / 4,129
GROUPSTATFJORD GP4,129 / 4,170
Mud density (g/cm³)
Depth (m MD, RKB)Mud density (g/cm³)Quality flags
3131.05
7171.08
9731.08
12151.09
12151.08
12151.09
12201.08
12201.09zero-meaning-unresolved
12201.09zero-meaning-unresolved
12201.09zero-meaning-unresolved
12201.09zero-meaning-unresolved
12201.09zero-meaning-unresolved
12401.25
12401.25
15031.25
20001.25
20661.3
23031.3
24331.3
24331.3
24331.3
24331.35
24331.35
24331.38
24331.38
24331.38
24331.38
24331.38
24331.38
24461.38
25031.38
25031.38
25031.38
25031.38
25031.38
25031.38
25351.36
26091.36
26951.36
26951.36
27121.36
27381.36
27611.36
27611.36
27771.42
27881.42
28201.42
28711.42
30801.42
31841.42
33761.42
34141.42
34291.75
34701.42
35911.56
35911.56
35911.56
35911.56
35911.56
35911.57
35911.57
35911.56
35911.75
36081.75
36501.75
37001.75
37121.75
37121.75
37331.75
37461.75
37741.75
37821.75
38171.75
38191.75
38541.75
38861.75
39021.75
39301.75
39301.75
39721.75
39761.75
39861.75
39991.75
40211.75
40221.75
40221.75
40221.75
40221.75
40221.75
40221.75
40221.75
40221.75
40221.75
40221.75
40221.75
40221.75
40221.75
40221.75
40221.75
40391.75
40391.75
40621.75
40721.75
41121.75
41311.75
41471.75
41701.75
41701.75
41701.75
41701.75
41701.75
41701.75
41701.75
41701.75
41701.75
41701.75
41701.75
41701.75
41701.75
41701.75
41701.75zero-meaning-unresolved
4170zero-meaning-unresolved
Well tests
Well testsDepth (m MD, RKB)Measurements
13802 / 3819{"test-from-depth":{"value":3802,"unit":"m","reference":null,"qualityFlags":[]},"test-to-depth":{"value":3819,"unit":"m","reference":null,"qualityFlags":[]},"choke-size":{"value":20.6,"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":126,"unit":"degC","reference":"DST","qualityFlags":[]},"test-oil-flow":{"value":688,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"test-gas-flow":{"value":461700,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"oil-density":{"value":0.81,"unit":"g/cm3","reference":"DST","qualityFlags":[]},"gas-relative-density":{"value":0.72,"unit":"1","reference":"air = 1","qualityFlags":[]},"test-gas-oil-ratio":{"value":671,"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
Group25/4-6 S25/4-6 SR25/4-9 S25/5-6
NORDLAND GP136145149144
HORDALAND GP976985958867
ROGALAND GP2121213021502165
SHETLAND GP27592768——
CROMER KNOLL GP35323541——
VIKING GP35713580——
VESTLAND GP37163725——
DUNLIN GP39403949——
STATFJORD GP41294138——

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-P055259178.95 km50.00 mW/m2{"qualityScores":["U3.Mx.-------"]}
R24-P038356182.64 km44.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P031366208.25 km66.50 mW/m2{"qualityScores":["U1.M3.SXXP-X-"]}
w.

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