31/5-1

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: 31/5-1
Borehole / source record ID: 27
Sector: Oil and gas
Derived purpose group: Appraisal
Operator in source snapshot: Saga Petroleum ASA
Recorded spud date: 1983-09-05
Recorded completion date: 1983-09-30
Latitude / longitude (WGS84): 60.725377 / 3.547475
Source-reported measurements: 860 m MD · RKB
Status reported by source: JUNKED
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: TREASURE SAGA

Company roles reported by source

Drilling operatorSaga Petroleum ASA Open source record ↗

Source-reported measurements
Source-reported measurements	Value	Reference
wlbTotalDepth	860.00 m	RKB
wlbFinalVerticalDepth	860.00 m	RKB
wlbWaterDepth	316.00 m	Not reported / not verified
wlbBottomHoleTemperature	31.00 °C	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
31/5-2	0.07 km	2,500 m	Norwegian Offshore Directorate — Wellbores
31/5-2 R	0.07 km	2,500 m	Norwegian Offshore Directorate — Wellbores
31/5-4 S	0.87 km	1,909 m	Norwegian Offshore Directorate — Wellbores
31/5-4 A	0.87 km	2,603 m	Norwegian Offshore Directorate — Wellbores
31/5-4 AR	0.87 km	2,603 m	Norwegian Offshore Directorate — Wellbores
31/5-4 AR2	0.87 km	2,610 m	Norwegian Offshore Directorate — Wellbores
31/5-I-23 H	1.57 km	2,040 m	Norwegian Offshore Directorate — Wellbores
31/5-I-23 AH	1.57 km	4,798 m	Norwegian Offshore Directorate — Wellbores
31/5-I-23 BY1H	1.57 km	5,594 m	Norwegian Offshore Directorate — Wellbores
31/5-I-23 BY2H	1.57 km	5,372 m	Norwegian Offshore Directorate — Wellbores
31/5-I-23 BY3H	1.57 km	6,723 m	Norwegian Offshore Directorate — Wellbores
31/5-I-22 H	1.58 km	2,002 m	Norwegian Offshore Directorate — Wellbores

Digital well log

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

Total depth: 860
True vertical depth (RKB): 860
Water depth: 316
Bottom-hole temperature: 31

Depth (m MD, RKB)

Digital well log
Group	Formation	Depth (m MD, RKB)
GROUP	NORDLAND GP	342 / 670
GROUP	HORDALAND GP	670 / 860

Mud density (g/cm³)
Depth (m MD, RKB)	Mud density (g/cm³)	Quality flags
480	1.1	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	31/5-1	31/5-2	31/5-2 R	31/5-4 S	31/5-4 A
NORDLAND GP	342	342	342	339.5	339.5
HORDALAND GP	670	670	670	654	654
ROGALAND GP	—	1210	1210	1205	1205
SHETLAND GP	—	1432	1432	1449	1449
CROMER KNOLL GP	—	1450	1450	1470	1470
VIKING GP	—	1475	1475	1515	1515
BRENT GP	—	1957	1957	—	—
DUNLIN GP	—	2036	2036	—	—
STATFJORD GP	—	2336	2336	—	—
HEGRE GP	—	2393	2393	—	—

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	104.00 km	50.00 mW/m2	{"qualityScores":["U3.Mx.-------"]}
R24-P038356	113.12 km	44.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}
R24-P038365	155.28 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