FROM WELLHEAD TO MARKET. NEWS WITH SOURCES.
Our standards
wellficent.
Read energy from subsurface to market.
See what moves next.
EN
العربيةArabicEnglishEspañolSpanishFrançaisFrenchTürkçeTurkish
WELL & ENERGY INTELLIGENCE
← Back to well atlas

31/2-5 R

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
31/2-5
Borehole / source record ID
500
Sector
Oil and gas
Derived purpose group
Appraisal
Operator in source snapshot
A/S Norske Shell
Recorded spud date
1981-06-12
Recorded completion date
1981-07-20
Latitude / longitude (WGS84)
60.770663 / 3.429818
Source-reported measurements
2525 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
BORGNY DOLPHIN

Company roles reported by source

Source-reported measurements
Source-reported measurementsValueReference
wlbTotalDepth2,525.00 mRKB
wlbFinalVerticalDepth2,525.00 mRKB
wlbWaterDepth333.00 mNot reported / not verified
wlbBottomHoleTemperature79.00 °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
31/2-50.00 km2,532 mNorwegian Offshore Directorate — Wellbores
31/2-5 R20.00 km2,525 mNorwegian Offshore Directorate — Wellbores
31/2-F-4 H0.50 km1,690 mNorwegian Offshore Directorate — Wellbores
31/2-F-4 AH0.50 km3,320 mNorwegian Offshore Directorate — Wellbores
31/2-F-4 BY1H0.50 km7,510 mNorwegian Offshore Directorate — Wellbores
31/2-F-4 BY2H0.50 km7,461 mNorwegian Offshore Directorate — Wellbores
31/2-F-4 BY3H0.50 km6,162 mNorwegian Offshore Directorate — Wellbores
31/2-F-6 H0.51 km2,150 mNorwegian Offshore Directorate — Wellbores
31/2-F-6 AH0.51 km3,916 mNorwegian Offshore Directorate — Wellbores
31/2-F-6 BY1H0.51 km4,731 mNorwegian Offshore Directorate — Wellbores
31/2-F-6 BY2H0.51 km5,271 mNorwegian Offshore Directorate — Wellbores
31/2-F-6 CY1H0.51 km5,631 mNorwegian Offshore Directorate — Wellbores

Digital well log

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

Total depth
2525
True vertical depth (RKB)
2525
Water depth
333
Bottom-hole temperature
79
31/2-5 R · Digital well log0631126318942525NORDLAND GPHORDALAND GPROGALAND GPSHETLAND GPVIKING GPBRENT GPDUNLIN GPSTATFJORD GPHEGRE GP
Depth (m MD, RKB)
Digital well log
GroupFormationDepth (m MD, RKB)
GROUPNORDLAND GP358 / 781
GROUPHORDALAND GP781 / 1,338
FORMATIONNO FORMAL NAME781 / 808
FORMATIONNO FORMAL NAME808 / 1,338
GROUPROGALAND GP1,338 / 1,526
FORMATIONBALDER FM1,338 / 1,389
FORMATIONSELE FM1,389 / 1,419
FORMATIONLISTA FM1,419 / 1,529
GROUPSHETLAND GP1,526 / 1,529
GROUPVIKING GP1,529 / 1,950
FORMATIONSOGNEFJORD FM1,529 / 1,610
FORMATIONHEATHER FM1,610 / 1,686
FORMATIONFENSFJORD FM1,686 / 1,782
FORMATIONKROSSFJORD FM1,782 / 1,853
FORMATIONHEATHER FM1,853 / 2,063
GROUPBRENT GP1,950 / 2,063
GROUPDUNLIN GP2,063 / 2,397
FORMATIONDRAKE FM2,063 / 2,194
FORMATIONCOOK FM2,194 / 2,270
FORMATIONAMUNDSEN FM2,270 / 2,301
FORMATIONJOHANSEN FM2,301 / 2,380
FORMATIONAMUNDSEN FM2,380 / 2,525
GROUPSTATFJORD GP2,397 / 2,464
GROUPHEGRE GP2,464 / 2,525
Mud density (g/cm³)
Depth (m MD, RKB)Mud density (g/cm³)Quality flags
5001.05observation-date-unreported, zero-meaning-unresolved
10401.21observation-date-unreported, zero-meaning-unresolved
14801.2observation-date-unreported, zero-meaning-unresolved
15101.25observation-date-unreported, zero-meaning-unresolved
18701.5observation-date-unreported, zero-meaning-unresolved
19601.25observation-date-unreported, zero-meaning-unresolved
21101.15observation-date-unreported, zero-meaning-unresolved
Well tests
Well testsDepth (m MD, RKB)Measurements
11582 / 1588{"test-from-depth":{"value":1582,"unit":"m","reference":null,"qualityFlags":[]},"test-to-depth":{"value":1588,"unit":"m","reference":null,"qualityFlags":[]},"choke-size":{"value":25.4,"unit":"mm","reference":null,"qualityFlags":[]},"final-shut-in-pressure":{"value":3,"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":820,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"test-gas-flow":{"value":47000,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"oil-density":{"value":0.89,"unit":"g/cm3","reference":"DST","qualityFlags":[]},"gas-relative-density":{"value":0.655,"unit":"1","reference":"air = 1","qualityFlags":[]},"test-gas-oil-ratio":{"value":58,"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
Group31/2-5 R31/2-531/2-5 R2
NORDLAND GP358365358
HORDALAND GP781788781
ROGALAND GP13381345.51338
SHETLAND GP1525.51532.51525.5
VIKING GP152915361529
BRENT GP1949.51956.51949.5
DUNLIN GP2062.52069.52062.5
STATFJORD GP239724042397
HEGRE GP246424712464

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-P055259111.89 km50.00 mW/m2{"qualityScores":["U3.Mx.-------"]}
R24-P038356121.07 km44.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P038365162.01 km57.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
w.

Beyond the wellhead, context.

A source-linked view of wells, energy and markets in five languages.

Follow via RSS ↗