31/8-1
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
- 31/8-1
- Borehole / source record ID
- 6604
- Sector
- Oil and gas
- Derived purpose group
- Exploration
- Operator in source snapshot
- E.ON Ruhrgas Norge AS
- Recorded spud date
- 2011-06-27
- Recorded completion date
- 2011-07-24
- Latitude / longitude (WGS84)
- 60.369268 / 3.566365
- Source-reported measurements
- 2629 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
- BORGLAND DOLPHIN
Company roles reported by source
- Drilling operatorE.ON Ruhrgas Norge ASOpen source record ↗
| Source-reported measurements | Value | Reference |
|---|---|---|
| wlbTotalDepth | 2,629.00 m | RKB |
| wlbFinalVerticalDepth | 2,629.00 m | RKB |
| wlbWaterDepth | 304.00 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 |
|---|---|---|---|
| 31/5-C-1 H | 16.86 km | 2,935 m | Norwegian Offshore Directorate — Wellbores |
| 31/6-7 | 21.50 km | 698 m | Norwegian Offshore Directorate — Wellbores |
| 31/6-8 | 21.55 km | 2,138 m | Norwegian Offshore Directorate — Wellbores |
| 31/6-8 R | 21.55 km | 2,138 m | Norwegian Offshore Directorate — Wellbores |
| 31/5-U-2 | 23.24 km | 115 m | Norwegian Offshore Directorate — Wellbores |
| 31/5-U-1 | 23.25 km | 70 m | Norwegian Offshore Directorate — Wellbores |
| 31/5-B-3 H | 23.26 km | 1,673 m | Norwegian Offshore Directorate — Wellbores |
| 31/5-B-2 H | 23.26 km | 1,661 m | Norwegian Offshore Directorate — Wellbores |
| 31/5-B-4 H | 23.26 km | 1,642 m | Norwegian Offshore Directorate — Wellbores |
| 31/5-B-5 H | 23.27 km | 1,670 m | Norwegian Offshore Directorate — Wellbores |
| 31/5-B-6 H | 23.27 km | 1,681 m | Norwegian Offshore Directorate — Wellbores |
| 31/5-7 | 23.97 km | 2,915 m | Norwegian Offshore Directorate — Wellbores |
Digital well log
SODIR formation tops, drilling-mud samples and well tests on one measured-depth section.
- Total depth
- 2629
- True vertical depth (RKB)
- 2629
- Water depth
- 304
- Bottom-hole temperature
- —
| Group | Formation | Depth (m MD, RKB) |
|---|---|---|
| GROUP | NORDLAND GP | 336 / 715 |
| GROUP | HORDALAND GP | 715 / 1,253 |
| GROUP | ROGALAND GP | 1,253 / 1,483 |
| FORMATION | BALDER FM | 1,253 / 1,366 |
| FORMATION | SELE FM | 1,366 / 1,386 |
| FORMATION | LISTA FM | 1,386 / 1,466 |
| FORMATION | VÅLE FM | 1,466 / 1,483 |
| GROUP | SHETLAND GP | 1,483 / 1,599 |
| FORMATION | EKOFISK FM | 1,483 / 1,494 |
| FORMATION | TRYGGVASON FM | 1,494 / 1,527 |
| FORMATION | BLODØKS FM | 1,527 / 1,540 |
| FORMATION | SVARTE FM | 1,540 / 1,599 |
| GROUP | CROMER KNOLL GP | 1,599 / 1,999 |
| FORMATION | RØDBY FM | 1,599 / 1,673 |
| FORMATION | SOLA FM | 1,673 / 1,811 |
| FORMATION | ÅSGARD FM | 1,811 / 1,999 |
| GROUP | VIKING GP | 1,999 / 2,629 |
| FORMATION | DRAUPNE FM | 1,999 / 2,109 |
| FORMATION | HEATHER FM | 2,109 / 2,123 |
| FORMATION | SOGNEFJORD FM | 2,123 / 2,367 |
| FORMATION | FENSFJORD FM | 2,367 / 2,498 |
| FORMATION | KROSSFJORD FM | 2,498 / 2,629 |
| Depth (m MD, RKB) | Mud density (g/cm³) | Quality flags |
|---|---|---|
| 335 | 1.5 | observation-date-unreported, zero-meaning-unresolved |
| 969 | 1.48 | observation-date-unreported, zero-meaning-unresolved |
| 969 | 1.25 | observation-date-unreported, zero-meaning-unresolved |
| 1311 | 1.39 | observation-date-unreported, zero-meaning-unresolved |
| 1420 | 1.34 | observation-date-unreported, zero-meaning-unresolved |
| 1855 | 1.2 | observation-date-unreported, zero-meaning-unresolved |
| 2077 | 1.2 | observation-date-unreported, zero-meaning-unresolved |
| 2405 | 1.2 | observation-date-unreported, zero-meaning-unresolved |
| 2628 | 1.2 | observation-date-unreported, zero-meaning-unresolved |
| 2629 | 1.2 | observation-date-unreported, zero-meaning-unresolved |
| 2826 | 1.2 | 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 | 31/8-1 | 31/6-7 | 31/6-8 | 31/6-8 R | 31/5-7 |
|---|---|---|---|---|---|
| NORDLAND GP | 335.5 | 325 | 325 | 325 | 338 |
| HORDALAND GP | 715 | 540.3 | 537.5 | 537.5 | 772 |
| ROGALAND GP | 1253 | — | 985 | 985 | 1442 |
| SHETLAND GP | 1483 | — | 1255.5 | 1255.5 | 1698 |
| CROMER KNOLL GP | 1599 | — | 1371 | 1371 | 1778 |
| VIKING GP | 1999 | — | 1412 | 1412 | 1892 |
| BRENT GP | — | — | 1985 | 1985 | 2424 |
| DUNLIN GP | — | — | 2007.5 | 2007.5 | 2510 |
| STATFJORD GP | — | — | — | — | 2832 |
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 | 94.30 km | 50.00 mW/m2 | {"qualityScores":["U3.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.