2/4-18 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: 2/4-18
Borehole / source record ID: 2253
Sector: Oil and gas
Derived purpose group: Exploration
Operator in source snapshot: Saga Petroleum ASA
Recorded spud date: 1994-02-19
Recorded completion date: 1994-07-10
Latitude / longitude (WGS84): 56.699317 / 3.161273
Source-reported measurements: 5310 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: MÆRSK GUARDIAN

Company roles reported by source

Drilling operatorSaga Petroleum ASA Open source record ↗

Source-reported measurements
Source-reported measurements	Value	Reference
wlbTotalDepth	5,310.00 m	RKB
wlbFinalVerticalDepth	5,305.00 m	RKB
wlbWaterDepth	68.00 m	Not reported / not verified
wlbBottomHoleTemperature	199.00 °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
2/4-18	0.00 km	622 m	Norwegian Offshore Directorate — Wellbores
2/4-U-5	1.17 km	96 m	Norwegian Offshore Directorate — Wellbores
2/4-U-4	1.18 km	254 m	Norwegian Offshore Directorate — Wellbores
2/4-21	1.22 km	5,395 m	Norwegian Offshore Directorate — Wellbores
2/4-21 A	1.22 km	5,573 m	Norwegian Offshore Directorate — Wellbores
2/4-U-6	1.23 km	95 m	Norwegian Offshore Directorate — Wellbores
2/4-U-36	1.41 km	101 m	Norwegian Offshore Directorate — Wellbores
2/4-U-35	1.47 km	102 m	Norwegian Offshore Directorate — Wellbores
2/4-U-34	1.47 km	100 m	Norwegian Offshore Directorate — Wellbores
2/4-22 S	1.82 km	4,889 m	Norwegian Offshore Directorate — Wellbores
2/4-U-31	1.92 km	103 m	Norwegian Offshore Directorate — Wellbores
2/4-U-33	1.94 km	103 m	Norwegian Offshore Directorate — Wellbores

Digital well log

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

Total depth: 5310
True vertical depth (RKB): 5305
Water depth: 68
Bottom-hole temperature: 199

Depth (m MD, RKB)

Digital well log
Group	Formation	Depth (m MD, RKB)
GROUP	NORDLAND GP	110 / 1,804
FORMATION	NO FORMAL NAME	822 / 883
FORMATION	NO FORMAL NAME	883 / 3,158
GROUP	HORDALAND GP	1,804 / 3,158
GROUP	ROGALAND GP	3,158 / 3,351
FORMATION	BALDER FM	3,158 / 3,171
FORMATION	SELE FM	3,171 / 3,188
FORMATION	LISTA FM	3,188 / 3,277
FORMATION	VIDAR FM	3,277 / 3,311
FORMATION	LISTA FM	3,311 / 3,334
FORMATION	VÅLE FM	3,334 / 3,351
GROUP	SHETLAND GP	3,351 / 4,464
FORMATION	EKOFISK FM	3,351 / 3,475
FORMATION	TOR FM	3,475 / 3,704
FORMATION	HOD FM	3,704 / 4,435
FORMATION	BLODØKS FM	4,435 / 4,445
FORMATION	HIDRA FM	4,445 / 4,464
GROUP	CROMER KNOLL GP	4,464 / 4,716
FORMATION	RØDBY FM	4,464 / 4,494
FORMATION	TUXEN FM	4,494 / 4,544
FORMATION	ÅSGARD FM	4,544 / 4,716
GROUP	TYNE GP	4,716 / 5,310
FORMATION	MANDAL FM	4,716 / 4,772
FORMATION	FARSUND FM	4,772 / 5,310

Mud density (g/cm³)
Depth (m MD, RKB)	Mud density (g/cm³)	Quality flags
232	1.05	zero-meaning-unresolved
410	1.1
521	1.1
521	1.1
521	1.1
521	1.1
521	1.09
744	1.2
1008	1.2
1008	1.4
1008	1.4
1008	1.2
1030	1.4
1570	1.5
1893	1.6
1893	1.6
1893	1.6
1893	1.6
2947	1.6
2983	1.6
2983	1.6
2998	1.6
3190	1.6
3230	1.6
3230	1.6
3230	1.6
3251	1.6
3490	1.61
3549	1.6
3549	1.61
3549	1.61
3917	1.61
3996	1.6
4067	1.6
4124	1.6
4142	1.6
4142	1.61
4208	1.6
4283	1.6
4283	1.6
4352	1.6
4353	1.6
4398	1.6
4398	1.62
4398	1.62
4426	1.62
4433	1.62
4468	1.64
4501	1.64
4501	1.66
4504	1.66
4504	1.66
4504	1.66
4504	1.66
4524	1.66
4541	1.68
4541	1.68
4541	1.68
4557	1.68
4583	1.74
4584	1.75
4602	1.76
4602	1.76
4602	1.76
4621	1.76
4632	1.82
4632		zero-meaning-unresolved
4632	1.82
4632	1.82
4632	1.82
4632	1.82
4632	1.82
4632	1.82
4635	1.82
4635	1.82
4651	1.9
4687	1.9
4711	1.94
4711	1.95
4746	1.95
4804	1.97
4804	1.97
4804	1.97
4832	2
4832	2.02
4832	2.02
4832	2.02
4832	2.02
4832	2.02
4832	2.02
4832	2.02
4832	2.02
4832	2.02
4832	2.02
4832	2.02
4832	2.02
4832	2.02
4832	2.02
4832	2.02
4832	2.04
4832	2.04
4867	2
4897	2
4930	2
4930	2.03
4944	2.02
5001	2.02
5041	2.04
5041	2.04
5105	2.02
5105	2.02
5114	2.02
5114	2.02
5221	2.04
5221	2.04
5221	2.04
5221	2.04
5221	2.04
5221	2.04

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	2/4-18 R	2/4-18	2/4-21	2/4-21 A	2/4-22 S
NORDLAND GP	110	94	115	115	115
HORDALAND GP	1804	—	1823	1823	1790
ROGALAND GP	3158	—	3168	3168	3065
SHETLAND GP	3351	—	3382	3505	3285.5
CROMER KNOLL GP	4464	—	4540	4540	4237
TYNE GP	4716	—	4767.5	4769	4419
VESTLAND GP	—	—	—	—	4566.5
ZECHSTEIN GP	—	—	—	—	4743
ROTLIEGEND GP	—	—	—	—	4830

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-P003245	39.63 km	62.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}
R24-P003239	41.36 km	64.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}
R24-P003244	46.57 km	63.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}
R24-P003227	47.87 km	66.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}
R24-P003243	48.38 km	47.00 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