35/12-4 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
- 35/12-4
- Borehole / source record ID
- 6617
- Sector
- Oil and gas
- Derived purpose group
- Appraisal
- Operator in source snapshot
- Wintershall Norge ASA
- Recorded spud date
- 2011-06-26
- Recorded completion date
- 2011-07-17
- Latitude / longitude (WGS84)
- 61.184726 / 3.689786
- Source-reported measurements
- 3413 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
- SONGA DELTA
Company roles reported by source
- Drilling operatorWintershall Norge ASAOpen source record ↗
| Source-reported measurements | Value | Reference |
|---|---|---|
| wlbTotalDepth | 3,413.00 m | RKB |
| wlbFinalVerticalDepth | 2,585.00 m | RKB |
| wlbWaterDepth | 360.00 m | Not reported / not verified |
| wlbBottomHoleTemperature | 100.00 °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 |
|---|---|---|---|
| 35/12-4 S | 0.00 km | 3,585 m | Norwegian Offshore Directorate — Wellbores |
| 35/11-1 | 1.57 km | 3,361 m | Norwegian Offshore Directorate — Wellbores |
| 35/12-2 | 2.36 km | 2,541 m | Norwegian Offshore Directorate — Wellbores |
| 35/11-21 S | 3.80 km | 2,800 m | Norwegian Offshore Directorate — Wellbores |
| 35/11-21 A | 3.80 km | 2,931 m | Norwegian Offshore Directorate — Wellbores |
| 35/12-7 | 4.09 km | 2,750 m | Norwegian Offshore Directorate — Wellbores |
| 35/12-6 S | 6.02 km | 3,370 m | Norwegian Offshore Directorate — Wellbores |
| 35/12-6 A | 6.02 km | 3,263 m | Norwegian Offshore Directorate — Wellbores |
| 35/9-10 S | 7.43 km | 3,619 m | Norwegian Offshore Directorate — Wellbores |
| 35/9-10 A | 7.43 km | 3,203 m | Norwegian Offshore Directorate — Wellbores |
| 35/12-5 S | 8.11 km | 3,570 m | Norwegian Offshore Directorate — Wellbores |
| 35/11-13 | 8.55 km | 3,292 m | Norwegian Offshore Directorate — Wellbores |
Digital well log
SODIR formation tops, drilling-mud samples and well tests on one measured-depth section.
- Total depth
- 3413
- True vertical depth (RKB)
- 2585
- Water depth
- 360
- Bottom-hole temperature
- 100
| Group | Formation | Depth (m MD, RKB) |
|---|---|---|
| GROUP | NORDLAND GP | 389 / 650 |
| FORMATION | UTSIRA FM | 539 / 644 |
| FORMATION | NO FORMAL NAME | 644 / 650 |
| GROUP | HORDALAND GP | 650 / 1,305 |
| FORMATION | NO FORMAL NAME | 650 / 798 |
| FORMATION | NO FORMAL NAME | 798 / 1,074 |
| FORMATION | NO FORMAL NAME | 1,074 / 1,305 |
| GROUP | ROGALAND GP | 1,305 / 2,037 |
| FORMATION | BALDER FM | 1,305 / 1,367 |
| FORMATION | SELE FM | 1,367 / 1,431 |
| FORMATION | LISTA FM | 1,431 / 1,585 |
| FORMATION | NO FORMAL NAME | 1,585 / 1,723 |
| FORMATION | LISTA FM | 1,723 / 1,995 |
| FORMATION | VÅLE FM | 1,995 / 2,037 |
| GROUP | SHETLAND GP | 2,037 / 2,836 |
| FORMATION | JORSALFARE FM | 2,037 / 2,156 |
| FORMATION | KYRRE FM | 2,156 / 2,792 |
| FORMATION | TRYGGVASON FM | 2,792 / 2,836 |
| GROUP | VIKING GP | 2,836 / 3,230 |
| FORMATION | DRAUPNE FM | 2,836 / 2,967 |
| FORMATION | HEATHER FM | 2,967 / 3,230 |
| GROUP | BRENT GP | 3,230 / 3,413 |
| FORMATION | NESS FM | 3,230 / 3,351 |
| FORMATION | ETIVE FM | 3,351 / 3,373 |
| FORMATION | RANNOCH FM | 3,373 / 3,413 |
| Depth (m MD, RKB) | Mud density (g/cm³) | Quality flags |
|---|---|---|
| 1463 | 1.35 | observation-date-unreported, zero-meaning-unresolved |
| 2813 | 1.24 | observation-date-unreported, zero-meaning-unresolved |
| 3047 | 1.37 | observation-date-unreported, zero-meaning-unresolved |
| 3325 | 1.24 | observation-date-unreported, zero-meaning-unresolved |
| 3413 | 1.24 | 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 | 35/12-4 A | 35/12-4 S | 35/11-1 | 35/12-2 | 35/11-21 S |
|---|---|---|---|---|---|
| NORDLAND GP | 389 | 389 | 385 | 389 | 384 |
| HORDALAND GP | 650 | 650 | 710 | 675 | 719.8 |
| ROGALAND GP | 1305 | 1302.5 | 1307 | 1285 | 1375 |
| SHETLAND GP | 2037 | 1999 | 1765 | 1770 | 1990 |
| VIKING GP | 2836 | 2503.5 | 2018 | 1968 | 2318 |
| BRENT GP | 3230 | 3070.5 | 2469 | 2450 | 2595.2 |
| DUNLIN GP | — | 3255 | 2583 | — | 2757.5 |
| STATFJORD GP | — | 3533.5 | 2995 | — | — |
| HEGRE GP | — | — | 3264.5 | — | — |
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 | 127.59 km | 50.00 mW/m2 | {"qualityScores":["U3.Mx.-------"]} |
| R24-P038356 | 137.39 km | 44.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P038354 | 139.26 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.