31/1-2 A
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
- 31/1-2
- Borehole / source record ID
- 9179
- Sector
- Oil and gas
- Derived purpose group
- Appraisal
- Operator in source snapshot
- Equinor Energy AS
- Recorded spud date
- 2021-01-13
- Recorded completion date
- 2021-01-29
- Latitude / longitude (WGS84)
- 60.950832 / 3.307526
- Source-reported measurements
- 3876 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
- WEST HERCULES
Company roles reported by source
- Drilling operatorEquinor Energy ASOpen source record ↗
| Source-reported measurements | Value | Reference |
|---|---|---|
| wlbTotalDepth | 3,876.00 m | RKB |
| wlbFinalVerticalDepth | 3,482.90 m | RKB |
| wlbWaterDepth | 349.00 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 |
|---|---|---|---|
| 31/1-2 S | 0.00 km | 3,555 m | Norwegian Offshore Directorate — Wellbores |
| 31/2-19 S | 5.66 km | 4,114 m | Norwegian Offshore Directorate — Wellbores |
| 35/10-7 S | 7.41 km | 3,594 m | Norwegian Offshore Directorate — Wellbores |
| 35/10-7 A | 7.41 km | 3,605 m | Norwegian Offshore Directorate — Wellbores |
| 31/2-23 A | 8.09 km | Not reported / not verified m | Norwegian Offshore Directorate — Wellbores |
| 31/2-23 S | 8.09 km | 2,367 m | Norwegian Offshore Directorate — Wellbores |
| 31/1-U-1 | 8.81 km | Not reported / not verified m | Norwegian Offshore Directorate — Wellbores |
| 31/2-21 S | 8.81 km | 3,217 m | Norwegian Offshore Directorate — Wellbores |
| 31/1-3 S | 8.82 km | 3,608 m | Norwegian Offshore Directorate — Wellbores |
| 31/1-3 A | 8.82 km | 3,831 m | Norwegian Offshore Directorate — Wellbores |
| 35/11-29 S | 9.13 km | 3,600 m | Norwegian Offshore Directorate — Wellbores |
| 31/2-O-41 | 10.04 km | 1,782 m | Norwegian Offshore Directorate — Wellbores |
Digital well log
SODIR formation tops, drilling-mud samples and well tests on one measured-depth section.
- Total depth
- 3876
- True vertical depth (RKB)
- 3482.89990234
- Water depth
- 349
- Bottom-hole temperature
- —
| Group | Formation | Depth (m MD, RKB) |
|---|---|---|
| GROUP | NORDLAND GP | 380 / 885 |
| FORMATION | UNDIFFERENTIATED | 380 / 825 |
| FORMATION | UTSIRA FM | 825 / 885 |
| GROUP | HORDALAND GP | 885 / 1,777 |
| FORMATION | UNDIFFERENTIATED | 885 / 1,777 |
| GROUP | ROGALAND GP | 1,777 / 2,227 |
| FORMATION | BALDER FM | 1,777 / 1,851 |
| FORMATION | SELE FM | 1,851 / 1,896 |
| FORMATION | LISTA FM | 1,896 / 2,021 |
| FORMATION | NO FORMAL NAME | 2,021 / 2,085 |
| FORMATION | VÅLE FM | 2,085 / 2,227 |
| GROUP | SHETLAND GP | 2,227 / 2,929 |
| FORMATION | JORSALFARE FM | 2,227 / 2,444 |
| FORMATION | KYRRE FM | 2,444 / 2,901 |
| FORMATION | SVARTE FM | 2,901 / 2,929 |
| GROUP | CROMER KNOLL GP | 2,929 / 3,140 |
| FORMATION | RØDBY FM | 2,929 / 3,042 |
| FORMATION | SOLA FM | 3,042 / 3,081 |
| FORMATION | ÅSGARD FM | 3,081 / 3,140 |
| GROUP | VIKING GP | 3,140 / 3,586 |
| FORMATION | DRAUPNE FM | 3,140 / 3,262 |
| FORMATION | HEATHER FM | 3,262 / 3,586 |
| GROUP | BRENT GP | 3,586 / 3,761 |
| FORMATION | TARBERT FM | 3,586 / 3,606 |
| FORMATION | NESS FM | 3,606 / 3,682 |
| FORMATION | ETIVE FM | 3,682 / 3,694 |
| FORMATION | RANNOCH FM | 3,694 / 3,711 |
| FORMATION | OSEBERG FM | 3,711 / 3,761 |
| GROUP | DUNLIN GP | 3,761 / 3,876 |
| FORMATION | DRAKE FM | 3,761 / 3,859 |
| FORMATION | COOK FM | 3,859 / 3,876 |
| Depth (m MD, RKB) | Mud density (g/cm³) | Quality flags |
|---|---|---|
| 752 | 1.25 | observation-date-unreported |
| 1700 | 1.31 | observation-date-unreported |
| 2085 | 1.35 | observation-date-unreported |
| 3516 | 1.25 | observation-date-unreported |
| 3876 | 1.25 | 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 | 31/1-2 A | 31/1-2 S | 31/2-19 S | 35/10-7 S | 35/10-7 A |
|---|---|---|---|---|---|
| NORDLAND GP | 380 | 380 | 366.5 | 385 | 385 |
| HORDALAND GP | 885 | 885 | 840 | 906 | 906 |
| ROGALAND GP | 1777 | 1777 | 1585 | 1761 | 1766 |
| SHETLAND GP | 2227 | 2234 | 2126 | 2150 | 2191 |
| CROMER KNOLL GP | 2929 | 2692 | 2497 | 2830 | 2916 |
| VIKING GP | 3140 | 2862 | 2577 | 2877 | 2983 |
| BRENT GP | 3586 | 3205 | 3467.5 | 3248.3 | 3341 |
| DUNLIN GP | 3761 | 3364 | 3631.5 | 3464.3 | 3561 |
| STATFJORD GP | — | — | 4059 | — | — |
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 | 127.17 km | 50.00 mW/m2 | {"qualityScores":["U3.Mx.-------"]} |
| R24-P038356 | 136.68 km | 44.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P060200 | 153.18 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.