31/2-18
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
- 31/2-18
- Borehole / source record ID
- 1988
- Sector
- Oil and gas
- Derived purpose group
- Appraisal
- Operator in source snapshot
- Norsk Hydro Produksjon AS
- Recorded spud date
- 1992-09-15
- Recorded completion date
- 1992-10-07
- Latitude / longitude (WGS84)
- 60.902417 / 3.576573
- Source-reported measurements
- 1711 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
- TREASURE SAGA
Company roles reported by source
- Drilling operatorNorsk Hydro Produksjon ASOpen source record ↗
| Source-reported measurements | Value | Reference |
|---|---|---|
| wlbTotalDepth | 1,711.00 m | RKB |
| wlbFinalVerticalDepth | 1,711.00 m | RKB |
| wlbWaterDepth | 340.00 m | Not reported / not verified |
| wlbBottomHoleTemperature | 71.00 °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 |
|---|---|---|---|
| 31/2-18 A | 0.00 km | 2,005 m | Norwegian Offshore Directorate — Wellbores |
| 31/2-N-11 H | 1.49 km | 4,275 m | Norwegian Offshore Directorate — Wellbores |
| 31/2-N-11 BY1H | 1.49 km | 5,670 m | Norwegian Offshore Directorate — Wellbores |
| 31/2-N-11 BY2H | 1.49 km | 5,414 m | Norwegian Offshore Directorate — Wellbores |
| 31/2-N-11 BY3H | 1.49 km | 4,790 m | Norwegian Offshore Directorate — Wellbores |
| 31/2-N-11 BY4H | 1.49 km | 5,676 m | Norwegian Offshore Directorate — Wellbores |
| 31/2-N-11 BY5H | 1.49 km | Not reported / not verified m | Norwegian Offshore Directorate — Wellbores |
| 31/2-N-11 BY6H | 1.49 km | Not reported / not verified m | Norwegian Offshore Directorate — Wellbores |
| 31/2-N-11 AH | 1.49 km | 3,452 m | Norwegian Offshore Directorate — Wellbores |
| 31/2-N-13 H | 1.49 km | 4,963 m | Norwegian Offshore Directorate — Wellbores |
| 31/2-N-13 AY1H | 1.49 km | 4,432 m | Norwegian Offshore Directorate — Wellbores |
| 31/2-N-13 AY2H | 1.49 km | 6,641 m | Norwegian Offshore Directorate — Wellbores |
Digital well log
SODIR formation tops, drilling-mud samples and well tests on one measured-depth section.
- Total depth
- 1711
- True vertical depth (RKB)
- 1711
- Water depth
- 340
- Bottom-hole temperature
- 71
| Group | Formation | Depth (m MD, RKB) |
|---|---|---|
| GROUP | NORDLAND GP | 366 / 670 |
| GROUP | HORDALAND GP | 670 / 1,220 |
| GROUP | ROGALAND GP | 1,220 / 1,529 |
| FORMATION | BALDER FM | 1,220 / 1,266 |
| FORMATION | SELE FM | 1,266 / 1,337 |
| FORMATION | LISTA FM | 1,337 / 1,497 |
| FORMATION | VÅLE FM | 1,497 / 1,519 |
| FORMATION | NO FORMAL NAME | 1,519 / 1,529 |
| GROUP | VIKING GP | 1,529 / 1,711 |
| FORMATION | SOGNEFJORD FM | 1,529 / 1,643 |
| FORMATION | HEATHER FM | 1,643 / 1,688 |
| FORMATION | FENSFJORD FM | 1,688 / 1,711 |
| Depth (m MD, RKB) | Mud density (g/cm³) | Quality flags |
|---|---|---|
| 453 | 1.05 | observation-date-unreported, zero-meaning-unresolved |
| 518 | 1.05 | observation-date-unreported, zero-meaning-unresolved |
| 940 | 1.2 | observation-date-unreported, zero-meaning-unresolved |
| 1344 | 1.35 | observation-date-unreported, zero-meaning-unresolved |
| 1350 | 1.17 | observation-date-unreported, zero-meaning-unresolved |
| 1435 | 1.35 | observation-date-unreported, zero-meaning-unresolved |
| 1465 | 1.17 | observation-date-unreported, zero-meaning-unresolved |
| 1503 | 1.17 | observation-date-unreported, zero-meaning-unresolved |
| 1534 | 1.17 | observation-date-unreported, zero-meaning-unresolved |
| 1570 | 1.17 | observation-date-unreported, zero-meaning-unresolved |
| 1610 | 1.17 | observation-date-unreported, zero-meaning-unresolved |
| 1639 | 1.17 | observation-date-unreported, zero-meaning-unresolved |
| 1678 | 1.17 | observation-date-unreported, zero-meaning-unresolved |
| 1711 | 1.17 | 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 | 31/2-18 | 31/2-18 A |
|---|---|---|
| NORDLAND GP | 366 | 366 |
| HORDALAND GP | 670 | 670 |
| ROGALAND GP | 1220 | 1220 |
| VIKING GP | 1528.8 | 1529.6 |
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 | 112.00 km | 50.00 mW/m2 | {"qualityScores":["U3.Mx.-------"]} |
| R24-P038356 | 121.57 km | 44.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P038354 | 154.03 km | 42.00 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.