25/4-3
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
- 25/4-3
- Borehole / source record ID
- 361
- Sector
- Oil and gas
- Derived purpose group
- Exploration
- Operator in source snapshot
- Elf Petroleum Norge AS
- Recorded spud date
- 1974-10-13
- Recorded completion date
- 1974-11-22
- Latitude / longitude (WGS84)
- 59.511709 / 2.089687
- Source-reported measurements
- 2714 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
- DEEPSEA DRILLER
Company roles reported by source
- Drilling operatorElf Petroleum Norge ASOpen source record ↗
| Source-reported measurements | Value | Reference |
|---|---|---|
| wlbTotalDepth | 2,714.00 m | RKB |
| wlbWaterDepth | 121.00 m | Not reported / not verified |
| wlbBottomHoleTemperature | 70.00 °C | Not reported / not verified |
Norwegian Offshore Directorate — Wellbores ↗
Source accessed:
Reuse terms: review-source-terms
Source terms and attribution ↗Norwegian Offshore Directorate (NOD/SODIR), NLOD 2.0. Normalized by Wellficent.
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.
| Name | Distance | Source-reported measurements | Source catalogues |
|---|---|---|---|
| 25/4-13 S | 0.95 km | 2,653 m | Norwegian Offshore Directorate — Wellbores |
| 25/4-13 A | 0.95 km | 2,641 m | Norwegian Offshore Directorate — Wellbores |
| 25/4-12 S | 0.98 km | 525 m | Norwegian Offshore Directorate — Wellbores |
| 25/4-12 A | 0.98 km | Not reported / not verified m | Norwegian Offshore Directorate — Wellbores |
| 25/4-8 | 1.61 km | 2,286 m | Norwegian Offshore Directorate — Wellbores |
| 25/4-B-1 H | 3.22 km | 2,670 m | Norwegian Offshore Directorate — Wellbores |
| 25/4-B-1 AY1H | 3.22 km | 6,050 m | Norwegian Offshore Directorate — Wellbores |
| 25/4-B-1 AY2H | 3.22 km | 6,050 m | Norwegian Offshore Directorate — Wellbores |
| 25/4-B-1 AY3H | 3.22 km | 6,270 m | Norwegian Offshore Directorate — Wellbores |
| 25/7-A-2 Y1H | 4.07 km | 7,100 m | Norwegian Offshore Directorate — Wellbores |
| 25/7-A-2 Y2H | 4.07 km | 6,950 m | Norwegian Offshore Directorate — Wellbores |
| 25/7-A-2 Y3H | 4.07 km | 7,200 m | Norwegian Offshore Directorate — Wellbores |
Digital well log
SODIR formation tops, drilling-mud samples and well tests on one measured-depth section.
- Total depth
- 2714
- True vertical depth (RKB)
- —
- Water depth
- 121
- Bottom-hole temperature
- 70
| Group | Formation | Depth (m MD, RKB) |
|---|---|---|
| GROUP | NORDLAND GP | 147 / 740 |
| FORMATION | UTSIRA FM | 385 / 501 |
| FORMATION | UNDIFFERENTIATED | 501 / 843 |
| GROUP | HORDALAND GP | 740 / 1,965 |
| FORMATION | SKADE FM | 843 / 1,065 |
| FORMATION | NO FORMAL NAME | 1,065 / 1,285 |
| FORMATION | GRID FM | 1,285 / 1,363 |
| FORMATION | NO FORMAL NAME | 1,363 / 1,965 |
| GROUP | ROGALAND GP | 1,965 / 2,646 |
| FORMATION | BALDER FM | 1,965 / 2,016 |
| FORMATION | SELE FM | 2,016 / 2,063 |
| FORMATION | LISTA FM | 2,063 / 2,125 |
| FORMATION | HEIMDAL FM | 2,125 / 2,503 |
| FORMATION | LISTA FM | 2,503 / 2,550 |
| FORMATION | TY FM | 2,550 / 2,646 |
| GROUP | SHETLAND GP | 2,646 / 2,714 |
| FORMATION | JORSALFARE FM | 2,646 / 2,714 |
| Depth (m MD, RKB) | Mud density (g/cm³) | Quality flags |
|---|---|---|
| 605 | 1.12 | observation-date-unreported |
| 982 | 1.13 | observation-date-unreported |
| 1750 | 1.21 | observation-date-unreported |
| 2535 | 1.23 | observation-date-unreported |
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 | 25/4-3 | 25/4-13 S | 25/4-13 A | 25/4-12 S | 25/4-8 |
|---|---|---|---|---|---|
| NORDLAND GP | 147 | 151 | 151 | 131 | 145 |
| HORDALAND GP | 740 | 785 | 785 | — | 777 |
| ROGALAND GP | 1965 | 2315 | 2294 | — | 1922 |
| SHETLAND GP | 2646 | — | — | — | — |
Subsurface temperature and heat flow
Compare bottom-hole temperatures with depth and see measured heat flow near wells: context for geothermal reuse.
| Name | Distance | Subsurface temperature and heat flow | Quality flags |
|---|---|---|---|
| R24-P031366 | 188.67 km | 66.50 mW/m2 | {"qualityScores":["U1.M3.SXXP-X-"]} |
| R24-P003214 | 188.82 km | 50.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P003221 | 190.89 km | 74.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
IHFC · Global Heat Flow Database, Release 2024 (v. 2026.03) ↗
Source accessed:
Reuse terms: CC-BY-4.0
Source terms and attribution ↗Global Heat Flow Data Assessment Group et al. (2024): The Global Heat Flow Database: Release 2024. V. 2026.03. GFZ Data Services. https://doi.org/10.5880/fidgeo.2024.014 Licensed under CC BY 4.0. Wellficent shows parent-level site values and selected metadata; values are not modified.