25/4-6 S
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
- 25/4-6
- Borehole / source record ID
- 1703
- Sector
- Oil and gas
- Derived purpose group
- Exploration
- Operator in source snapshot
- Elf Petroleum Norge AS
- Recorded spud date
- 1991-04-15
- Recorded completion date
- 1991-08-24
- Latitude / longitude (WGS84)
- 59.709283 / 2.316226
- Source-reported measurements
- 4170 m MD · RKB
- Status reported by source
- SUSPENDED
- 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 VANGUARD
Company roles reported by source
- Drilling operatorElf Petroleum Norge ASOpen source record ↗
| Source-reported measurements | Value | Reference |
|---|---|---|
| wlbTotalDepth | 4,170.00 m | RKB |
| wlbFinalVerticalDepth | 4,136.00 m | RKB |
| wlbWaterDepth | 114.00 m | Not reported / not verified |
| wlbBottomHoleTemperature | 143.00 °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 |
|---|---|---|---|
| 25/4-6 SR | 0.00 km | 4,179 m | Norwegian Offshore Directorate — Wellbores |
| 25/4-U-4 | 0.54 km | Not reported / not verified m | Norwegian Offshore Directorate — Wellbores |
| 25/4-U-2 | 0.54 km | Not reported / not verified m | Norwegian Offshore Directorate — Wellbores |
| 25/4-U-5 | 0.54 km | Not reported / not verified m | Norwegian Offshore Directorate — Wellbores |
| 25/4-C-1 H | 0.58 km | 4,004 m | Norwegian Offshore Directorate — Wellbores |
| 25/4-C-1 AH | 0.58 km | 5,212 m | Norwegian Offshore Directorate — Wellbores |
| 25/4-U-3 | 0.60 km | Not reported / not verified m | Norwegian Offshore Directorate — Wellbores |
| 25/4-9 S | 4.73 km | 2,377 m | Norwegian Offshore Directorate — Wellbores |
| 25/5-6 | 5.51 km | 2,446 m | Norwegian Offshore Directorate — Wellbores |
| 25/5-U-8 | 5.77 km | 152 m | Norwegian Offshore Directorate — Wellbores |
| 25/5-U-7 | 5.81 km | 164 m | Norwegian Offshore Directorate — Wellbores |
| 25/5-U-9 | 5.82 km | 151 m | Norwegian Offshore Directorate — Wellbores |
Digital well log
SODIR formation tops, drilling-mud samples and well tests on one measured-depth section.
- Total depth
- 4170
- True vertical depth (RKB)
- 4136
- Water depth
- 114
- Bottom-hole temperature
- 143
| Group | Formation | Depth (m MD, RKB) |
|---|---|---|
| GROUP | NORDLAND GP | 136 / 976 |
| FORMATION | UTSIRA FM | 225 / 1,192 |
| GROUP | HORDALAND GP | 976 / 2,121 |
| FORMATION | SKADE FM | 1,192 / 1,203 |
| FORMATION | NO FORMAL NAME | 1,203 / 1,272 |
| FORMATION | GRID FM | 1,272 / 1,362 |
| FORMATION | NO FORMAL NAME | 1,362 / 2,121 |
| GROUP | ROGALAND GP | 2,121 / 2,759 |
| FORMATION | BALDER FM | 2,121 / 2,136 |
| FORMATION | SELE FM | 2,136 / 2,169 |
| FORMATION | LISTA FM | 2,169 / 2,200 |
| FORMATION | HEIMDAL FM | 2,200 / 2,611 |
| FORMATION | VÅLE FM | 2,611 / 2,759 |
| GROUP | SHETLAND GP | 2,759 / 3,532 |
| FORMATION | TOR FM | 2,759 / 2,903 |
| FORMATION | KYRRE FM | 2,903 / 3,335 |
| FORMATION | TRYGGVASON FM | 3,335 / 3,381 |
| FORMATION | BLODØKS FM | 3,381 / 3,485 |
| FORMATION | SVARTE FM | 3,485 / 3,532 |
| GROUP | CROMER KNOLL GP | 3,532 / 3,571 |
| FORMATION | RØDBY FM | 3,532 / 3,545 |
| FORMATION | SOLA FM | 3,545 / 3,563 |
| FORMATION | ÅSGARD FM | 3,563 / 3,571 |
| GROUP | VIKING GP | 3,571 / 3,716 |
| FORMATION | DRAUPNE FM | 3,571 / 3,619 |
| FORMATION | HEATHER FM | 3,619 / 3,716 |
| GROUP | VESTLAND GP | 3,716 / 3,940 |
| FORMATION | HUGIN FM | 3,716 / 3,874 |
| FORMATION | SLEIPNER FM | 3,874 / 4,170 |
| GROUP | DUNLIN GP | 3,940 / 4,129 |
| GROUP | STATFJORD GP | 4,129 / 4,170 |
| Depth (m MD, RKB) | Mud density (g/cm³) | Quality flags |
|---|---|---|
| 313 | 1.05 | |
| 717 | 1.08 | |
| 973 | 1.08 | |
| 1215 | 1.09 | |
| 1215 | 1.08 | |
| 1215 | 1.09 | |
| 1220 | 1.08 | |
| 1220 | 1.09 | zero-meaning-unresolved |
| 1220 | 1.09 | zero-meaning-unresolved |
| 1220 | 1.09 | zero-meaning-unresolved |
| 1220 | 1.09 | zero-meaning-unresolved |
| 1220 | 1.09 | zero-meaning-unresolved |
| 1240 | 1.25 | |
| 1240 | 1.25 | |
| 1503 | 1.25 | |
| 2000 | 1.25 | |
| 2066 | 1.3 | |
| 2303 | 1.3 | |
| 2433 | 1.3 | |
| 2433 | 1.3 | |
| 2433 | 1.3 | |
| 2433 | 1.35 | |
| 2433 | 1.35 | |
| 2433 | 1.38 | |
| 2433 | 1.38 | |
| 2433 | 1.38 | |
| 2433 | 1.38 | |
| 2433 | 1.38 | |
| 2433 | 1.38 | |
| 2446 | 1.38 | |
| 2503 | 1.38 | |
| 2503 | 1.38 | |
| 2503 | 1.38 | |
| 2503 | 1.38 | |
| 2503 | 1.38 | |
| 2503 | 1.38 | |
| 2535 | 1.36 | |
| 2609 | 1.36 | |
| 2695 | 1.36 | |
| 2695 | 1.36 | |
| 2712 | 1.36 | |
| 2738 | 1.36 | |
| 2761 | 1.36 | |
| 2761 | 1.36 | |
| 2777 | 1.42 | |
| 2788 | 1.42 | |
| 2820 | 1.42 | |
| 2871 | 1.42 | |
| 3080 | 1.42 | |
| 3184 | 1.42 | |
| 3376 | 1.42 | |
| 3414 | 1.42 | |
| 3429 | 1.75 | |
| 3470 | 1.42 | |
| 3591 | 1.56 | |
| 3591 | 1.56 | |
| 3591 | 1.56 | |
| 3591 | 1.56 | |
| 3591 | 1.56 | |
| 3591 | 1.57 | |
| 3591 | 1.57 | |
| 3591 | 1.56 | |
| 3591 | 1.75 | |
| 3608 | 1.75 | |
| 3650 | 1.75 | |
| 3700 | 1.75 | |
| 3712 | 1.75 | |
| 3712 | 1.75 | |
| 3733 | 1.75 | |
| 3746 | 1.75 | |
| 3774 | 1.75 | |
| 3782 | 1.75 | |
| 3817 | 1.75 | |
| 3819 | 1.75 | |
| 3854 | 1.75 | |
| 3886 | 1.75 | |
| 3902 | 1.75 | |
| 3930 | 1.75 | |
| 3930 | 1.75 | |
| 3972 | 1.75 | |
| 3976 | 1.75 | |
| 3986 | 1.75 | |
| 3999 | 1.75 | |
| 4021 | 1.75 | |
| 4022 | 1.75 | |
| 4022 | 1.75 | |
| 4022 | 1.75 | |
| 4022 | 1.75 | |
| 4022 | 1.75 | |
| 4022 | 1.75 | |
| 4022 | 1.75 | |
| 4022 | 1.75 | |
| 4022 | 1.75 | |
| 4022 | 1.75 | |
| 4022 | 1.75 | |
| 4022 | 1.75 | |
| 4022 | 1.75 | |
| 4022 | 1.75 | |
| 4022 | 1.75 | |
| 4039 | 1.75 | |
| 4039 | 1.75 | |
| 4062 | 1.75 | |
| 4072 | 1.75 | |
| 4112 | 1.75 | |
| 4131 | 1.75 | |
| 4147 | 1.75 | |
| 4170 | 1.75 | |
| 4170 | 1.75 | |
| 4170 | 1.75 | |
| 4170 | 1.75 | |
| 4170 | 1.75 | |
| 4170 | 1.75 | |
| 4170 | 1.75 | |
| 4170 | 1.75 | |
| 4170 | 1.75 | |
| 4170 | 1.75 | |
| 4170 | 1.75 | |
| 4170 | 1.75 | |
| 4170 | 1.75 | |
| 4170 | 1.75 | |
| 4170 | 1.75 | zero-meaning-unresolved |
| 4170 | zero-meaning-unresolved |
| Well tests | Depth (m MD, RKB) | Measurements |
|---|---|---|
| 1 | 3802 / 3819 | {"test-from-depth":{"value":3802,"unit":"m","reference":null,"qualityFlags":[]},"test-to-depth":{"value":3819,"unit":"m","reference":null,"qualityFlags":[]},"choke-size":{"value":20.6,"unit":"mm","reference":null,"qualityFlags":[]},"final-shut-in-pressure":{"value":0,"unit":"MPa","reference":"DST final shut-in; pressure datum unreported","qualityFlags":["zero-meaning-unresolved"]},"final-flow-pressure":{"value":0,"unit":"MPa","reference":"DST final flow; pressure datum unreported","qualityFlags":["zero-meaning-unresolved"]},"bottom-hole-pressure":{"value":0,"unit":"MPa","reference":"DST bottom hole; pressure datum unreported","qualityFlags":["zero-meaning-unresolved"]},"downhole-temperature":{"value":126,"unit":"degC","reference":"DST","qualityFlags":[]},"test-oil-flow":{"value":688,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"test-gas-flow":{"value":461700,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"oil-density":{"value":0.81,"unit":"g/cm3","reference":"DST","qualityFlags":[]},"gas-relative-density":{"value":0.72,"unit":"1","reference":"air = 1","qualityFlags":[]},"test-gas-oil-ratio":{"value":671,"unit":"m3/m3","reference":"DST","qualityFlags":[]}} |
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 | 25/4-6 S | 25/4-6 SR | 25/4-9 S | 25/5-6 |
|---|---|---|---|---|
| NORDLAND GP | 136 | 145 | 149 | 144 |
| HORDALAND GP | 976 | 985 | 958 | 867 |
| ROGALAND GP | 2121 | 2130 | 2150 | 2165 |
| SHETLAND GP | 2759 | 2768 | — | — |
| CROMER KNOLL GP | 3532 | 3541 | — | — |
| VIKING GP | 3571 | 3580 | — | — |
| VESTLAND GP | 3716 | 3725 | — | — |
| DUNLIN GP | 3940 | 3949 | — | — |
| STATFJORD GP | 4129 | 4138 | — | — |
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 | 178.95 km | 50.00 mW/m2 | {"qualityScores":["U3.Mx.-------"]} |
| R24-P038356 | 182.64 km | 44.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P031366 | 208.25 km | 66.50 mW/m2 | {"qualityScores":["U1.M3.SXXP-X-"]} |
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.