31/2-4

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: 31/2-4
Borehole / source record ID: 208
Sector: Oil and gas
Derived purpose group: Appraisal
Operator in source snapshot: A/S Norske Shell
Recorded spud date: 1980-09-01
Recorded completion date: 1980-09-13
Latitude / longitude (WGS84): 60.856047 / 3.510612
Source-reported measurements: 815 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

Drilling operatorA/S Norske Shell Open source record ↗

Source-reported measurements
Source-reported measurements	Value	Reference
wlbTotalDepth	815.00 m	RKB
wlbFinalVerticalDepth	815.00 m	RKB
wlbWaterDepth	336.00 m	Not reported / not verified

Norwegian Offshore Directorate — Wellbores ↗

Source accessed: 2026-10-02

Reuse terms: review-source-terms

Source terms and attribution ↗

Norwegian Offshore Directorate (NOD/SODIR), NLOD 2.0. Normalized by Wellficent.

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
Name	Distance	Source-reported measurements	Source catalogues
31/2-4 R	0.00 km	5,035 m	Norwegian Offshore Directorate — Wellbores
31/2-4 R2	0.00 km	5,035 m	Norwegian Offshore Directorate — Wellbores
31/2-D-10 H	1.39 km	1,723 m	Norwegian Offshore Directorate — Wellbores
31/2-W-23 H	1.97 km	1,765 m	Norwegian Offshore Directorate — Wellbores
31/2-W-24 H	1.97 km	1,577 m	Norwegian Offshore Directorate — Wellbores
31/2-W-22 H	1.97 km	1,593 m	Norwegian Offshore Directorate — Wellbores
31/2-W-21 H	1.97 km	1,604 m	Norwegian Offshore Directorate — Wellbores
31/2-12	2.42 km	1,615 m	Norwegian Offshore Directorate — Wellbores
31/2-P-23 Y1H	2.43 km	4,916 m	Norwegian Offshore Directorate — Wellbores
31/2-P-23 Y2H	2.43 km	5,140 m	Norwegian Offshore Directorate — Wellbores
31/2-P-23 Y3H	2.43 km	4,160 m	Norwegian Offshore Directorate — Wellbores
31/2-P-23 AY1H	2.43 km	6,756 m	Norwegian Offshore Directorate — Wellbores

Digital well log

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

Total depth: 815
True vertical depth (RKB): 815
Water depth: 336
Bottom-hole temperature: —

Depth (m MD, RKB)

Digital well log
Group	Formation	Depth (m MD, RKB)
GROUP	NORDLAND GP	361 / 724
FORMATION	NO FORMAL NAME	494 / 528
FORMATION	NO FORMAL NAME	528 / 815
GROUP	HORDALAND GP	724 / 815

Mud density (g/cm³)
Depth (m MD, RKB)	Mud density (g/cm³)	Quality flags
353	1.05	observation-date-unreported, zero-meaning-unresolved
790	1.28	observation-date-unreported, 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
Group	31/2-4	31/2-4 R	31/2-4 R2	31/2-12
NORDLAND GP	361	361	361	359
HORDALAND GP	724	724	724	730
ROGALAND GP	—	1203	1203	1180.5
VIKING GP	—	1364.5	1364.5	1365
BRENT GP	—	1784	1784	—
DUNLIN GP	—	1901.5	1901.5	—
STATFJORD GP	—	2256	2256	—
HEGRE GP	—	2422	2422	—

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
Name	Distance	Subsurface temperature and heat flow	Quality flags
R24-P055259	112.34 km	50.00 mW/m2	{"qualityScores":["U3.Mx.-------"]}
R24-P038356	121.79 km	44.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}
R24-P038365	158.74 km	57.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}

IHFC · Global Heat Flow Database, Release 2024 (v. 2026.03) ↗

Source accessed: 2026-10-04T21:47:13.346812+00:00

Reuse terms: CC-BY-4.0