31/4-4
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
- 31/4-4
- Borehole / source record ID
- 214
- Sector
- Oil and gas
- Derived purpose group
- Exploration
- Operator in source snapshot
- Norsk Hydro Produksjon AS
- Recorded spud date
- 1980-12-17
- Recorded completion date
- 1981-02-17
- Latitude / longitude (WGS84)
- 60.666466 / 3.113330
- Source-reported measurements
- 3150 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
- NORTRYM
Company roles reported by source
- Drilling operatorNorsk Hydro Produksjon ASOpen source record ↗
| Source-reported measurements | Value | Reference |
|---|---|---|
| wlbTotalDepth | 3,150.00 m | RKB |
| wlbFinalVerticalDepth | 3,150.00 m | RKB |
| wlbWaterDepth | 214.00 m | 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 |
|---|---|---|---|
| 31/4-10 | 6.13 km | 2,350 m | Norwegian Offshore Directorate — Wellbores |
| 31/4-11 | 6.18 km | 3,271 m | Norwegian Offshore Directorate — Wellbores |
| 30/6-14 | 7.69 km | 2,900 m | Norwegian Offshore Directorate — Wellbores |
| 31/4-12 | 8.35 km | 2,226 m | Norwegian Offshore Directorate — Wellbores |
| 31/4-12 A | 8.35 km | Not reported / not verified m | Norwegian Offshore Directorate — Wellbores |
| 31/4-1 | 8.99 km | 1,000 m | Norwegian Offshore Directorate — Wellbores |
| 31/4-3 | 9.00 km | 4,981 m | Norwegian Offshore Directorate — Wellbores |
| 31/4-2 | 9.13 km | 2,900 m | Norwegian Offshore Directorate — Wellbores |
| 30/6-5 | 9.16 km | 3,550 m | Norwegian Offshore Directorate — Wellbores |
| 30/6-23 | 10.07 km | 3,210 m | Norwegian Offshore Directorate — Wellbores |
| 30/6-23 R | 10.07 km | 3,208 m | Norwegian Offshore Directorate — Wellbores |
| 30/6-22 | 10.30 km | 3,336 m | Norwegian Offshore Directorate — Wellbores |
Digital well log
SODIR formation tops, drilling-mud samples and well tests on one measured-depth section.
- Total depth
- 3150
- True vertical depth (RKB)
- 3150
- Water depth
- 214
- Bottom-hole temperature
- —
| Group | Formation | Depth (m MD, RKB) |
|---|---|---|
| GROUP | NORDLAND GP | 239 / 890 |
| FORMATION | UTSIRA FM | 733 / 810 |
| FORMATION | UNDIFFERENTIATED | 810 / 1,796 |
| GROUP | HORDALAND GP | 890 / 1,796 |
| GROUP | ROGALAND GP | 1,796 / 2,067 |
| FORMATION | BALDER FM | 1,796 / 1,853 |
| FORMATION | SELE FM | 1,853 / 1,893 |
| FORMATION | LISTA FM | 1,893 / 2,050 |
| FORMATION | VÅLE FM | 2,050 / 2,300 |
| GROUP | SHETLAND GP | 2,067 / 2,195 |
| GROUP | CROMER KNOLL GP | 2,195 / 2,300 |
| GROUP | VIKING GP | 2,300 / 2,680 |
| FORMATION | DRAUPNE FM | 2,300 / 2,365 |
| FORMATION | SOGNEFJORD FM | 2,365 / 2,402 |
| FORMATION | HEATHER FM | 2,402 / 2,482 |
| FORMATION | FENSFJORD FM | 2,482 / 2,527 |
| FORMATION | HEATHER FM | 2,527 / 2,680 |
| GROUP | BRENT GP | 2,680 / 2,798 |
| FORMATION | TARBERT FM | 2,680 / 2,695 |
| FORMATION | NESS FM | 2,695 / 2,721 |
| FORMATION | ETIVE FM | 2,721 / 2,935 |
| GROUP | DUNLIN GP | 2,798 / 2,956 |
| FORMATION | COOK FM | 2,935 / 3,150 |
| GROUP | DUNLIN GP | 2,956 / 3,087 |
| GROUP | STATFJORD GP | 3,087 / 3,150 |
| Depth (m MD, RKB) | Mud density (g/cm³) | Quality flags |
|---|---|---|
| 325 | 1.04 | observation-date-unreported, zero-meaning-unresolved |
| 900 | 1.11 | observation-date-unreported, zero-meaning-unresolved |
| 1918 | 1.4 | observation-date-unreported |
| 2490 | 1.3 | observation-date-unreported |
| 3150 | 1.3 | 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 | 31/4-4 | 31/4-10 | 31/4-11 | 30/6-14 | 31/4-12 |
|---|---|---|---|---|---|
| NORDLAND GP | 239 | 256 | 209 | 171 | 235 |
| HORDALAND GP | 890 | 836 | 802 | 854 | 895 |
| ROGALAND GP | 1796 | 1681 | 1725 | 1857 | 1718.5 |
| SHETLAND GP | 2067 | 1944 | 2019 | 2122 | 1977 |
| CROMER KNOLL GP | 2195 | 1990.5 | 2098 | 2251.5 | 1995 |
| VIKING GP | 2300 | 2004.5 | 2130 | 2275 | 2042.5 |
| BRENT GP | 2680 | — | 2644 | 2560 | — |
| DUNLIN GP | 2798 | — | 2785 | 2589 | — |
| STATFJORD GP | 3087 | — | 3178 | 2783.5 | — |
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-P055259 | 124.05 km | 50.00 mW/m2 | {"qualityScores":["U3.Mx.-------"]} |
| R24-P038356 | 132.66 km | 44.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P060200 | 173.96 km | 60.30 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.