35/11-21 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
- 35/11-21
- Borehole / source record ID
- 8533
- Sector
- Oil and gas
- Derived purpose group
- Appraisal
- Operator in source snapshot
- Wellesley Petroleum AS
- Recorded spud date
- 2018-07-26
- Recorded completion date
- 2018-09-05
- Latitude / longitude (WGS84)
- 61.157339 / 3.647308
- Source-reported measurements
- 2800 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
- TRANSOCEAN ARCTIC
Company roles reported by source
- Drilling operatorWellesley Petroleum ASOpen source record ↗
| Source-reported measurements | Value | Reference |
|---|---|---|
| wlbTotalDepth | 2,800.00 m | RKB |
| wlbFinalVerticalDepth | 2,588.00 m | RKB |
| wlbWaterDepth | 360.00 m | Not reported / not verified |
| wlbBottomHoleTemperature | 103.00 °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 |
|---|---|---|---|
| 35/11-21 A | 0.00 km | 2,931 m | Norwegian Offshore Directorate — Wellbores |
| 35/12-7 | 1.34 km | 2,750 m | Norwegian Offshore Directorate — Wellbores |
| 35/12-2 | 1.50 km | 2,541 m | Norwegian Offshore Directorate — Wellbores |
| 35/11-1 | 2.91 km | 3,361 m | Norwegian Offshore Directorate — Wellbores |
| 35/12-4 S | 3.80 km | 3,585 m | Norwegian Offshore Directorate — Wellbores |
| 35/12-4 A | 3.80 km | 3,413 m | Norwegian Offshore Directorate — Wellbores |
| 35/11-14 S | 5.49 km | 3,306 m | Norwegian Offshore Directorate — Wellbores |
| 35/11-13 | 5.91 km | 3,292 m | Norwegian Offshore Directorate — Wellbores |
| 35/11-A-31 H | 6.43 km | 3,562 m | Norwegian Offshore Directorate — Wellbores |
| 35/11-A-31 AY1H | 6.43 km | 5,223 m | Norwegian Offshore Directorate — Wellbores |
| 35/11-A-31 AY2H | 6.43 km | 5,488 m | Norwegian Offshore Directorate — Wellbores |
| 35/11-A-33 Y1H | 6.43 km | 7,308 m | Norwegian Offshore Directorate — Wellbores |
Digital well log
SODIR formation tops, drilling-mud samples and well tests on one measured-depth section.
- Total depth
- 2800
- True vertical depth (RKB)
- 2588
- Water depth
- 360
- Bottom-hole temperature
- 103
| Group | Formation | Depth (m MD, RKB) |
|---|---|---|
| GROUP | NORDLAND GP | 384 / 720 |
| FORMATION | NO FORMAL NAME | 384 / 579 |
| FORMATION | UTSIRA FM | 579 / 720 |
| GROUP | HORDALAND GP | 720 / 1,375 |
| FORMATION | NO FORMAL NAME | 720 / 1,142 |
| FORMATION | NO FORMAL NAME | 1,142 / 1,375 |
| GROUP | ROGALAND GP | 1,375 / 1,990 |
| FORMATION | BALDER FM | 1,375 / 1,450 |
| FORMATION | SELE FM | 1,450 / 1,603 |
| FORMATION | LISTA FM | 1,603 / 1,620 |
| FORMATION | NO FORMAL NAME | 1,620 / 1,784 |
| FORMATION | LISTA FM | 1,784 / 1,950 |
| FORMATION | VÅLE FM | 1,950 / 1,990 |
| GROUP | SHETLAND GP | 1,990 / 2,318 |
| FORMATION | JORSALFARE FM | 1,990 / 2,080 |
| FORMATION | KYRRE FM | 2,080 / 2,318 |
| GROUP | VIKING GP | 2,318 / 2,595 |
| FORMATION | FENSFJORD FM | 2,318 / 2,361 |
| FORMATION | HEATHER FM | 2,361 / 2,390 |
| FORMATION | INTRA HEATHER FM SS | 2,390 / 2,398 |
| FORMATION | HEATHER FM | 2,398 / 2,595 |
| GROUP | BRENT GP | 2,595 / 2,758 |
| FORMATION | NESS FM | 2,595 / 2,665 |
| FORMATION | ETIVE FM | 2,665 / 2,686 |
| FORMATION | RANNOCH FM | 2,686 / 2,724 |
| FORMATION | OSEBERG FM | 2,724 / 2,758 |
| GROUP | DUNLIN GP | 2,758 / 2,800 |
| FORMATION | UNDIFFERENTIATED | 2,758 / 2,771 |
| FORMATION | COOK FM | 2,771 / 2,800 |
| Depth (m MD, RKB) | Mud density (g/cm³) | Quality flags |
|---|---|---|
| 449 | 1.39 | observation-date-unreported, zero-meaning-unresolved |
| 449 | 1.02 | observation-date-unreported, zero-meaning-unresolved |
| 878 | 1.33 | observation-date-unreported, zero-meaning-unresolved |
| 996 | 1.33 | observation-date-unreported, zero-meaning-unresolved |
| 996 | 1.39 | observation-date-unreported, zero-meaning-unresolved |
| 1000 | 1.34 | observation-date-unreported, zero-meaning-unresolved |
| 2216 | 1.32 | observation-date-unreported, zero-meaning-unresolved |
| 2360 | 1.34 | observation-date-unreported, zero-meaning-unresolved |
| 2400 | 1.19 | observation-date-unreported, zero-meaning-unresolved |
| 2400 | 1.34 | observation-date-unreported, zero-meaning-unresolved |
| 2455 | 1.19 | observation-date-unreported, zero-meaning-unresolved |
| 2730 | 1.21 | observation-date-unreported, zero-meaning-unresolved |
| 2730 | 1.2 | observation-date-unreported, zero-meaning-unresolved |
| 2800 | 1.19 | observation-date-unreported, zero-meaning-unresolved |
| 2800 | 1.19 | observation-date-unreported, zero-meaning-unresolved |
| Well tests | Depth (m MD, RKB) | Measurements |
|---|---|---|
| 0 | 2625 / 2637 | {"test-from-depth":{"value":2625,"unit":"m","reference":null,"qualityFlags":[]},"test-to-depth":{"value":2637,"unit":"m","reference":null,"qualityFlags":[]},"choke-size":{"value":18.3,"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":97,"unit":"degC","reference":"DST","qualityFlags":[]},"test-oil-flow":{"value":825,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"test-gas-flow":{"value":92517,"unit":"Sm3/day","reference":"DST test flow; not sustained production","qualityFlags":[]},"oil-density":{"value":0,"unit":"g/cm3","reference":"DST","qualityFlags":["zero-meaning-unresolved"]},"gas-relative-density":{"value":0,"unit":"1","reference":"air = 1","qualityFlags":["zero-meaning-unresolved"]},"test-gas-oil-ratio":{"value":112,"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 | 35/11-21 S | 35/11-21 A | 35/12-7 | 35/12-2 | 35/11-1 |
|---|---|---|---|---|---|
| NORDLAND GP | 384 | 384 | 382.5 | 389 | 385 |
| HORDALAND GP | 719.8 | 719.8 | 695 | 675 | 710 |
| ROGALAND GP | 1375 | 1399 | 1325 | 1285 | 1307 |
| SHETLAND GP | 1990 | 2055.1 | 1783 | 1770 | 1765 |
| VIKING GP | 2318 | 2264 | 2018.6 | 1968 | 2018 |
| BRENT GP | 2595.2 | 2724.9 | 2597.1 | 2450 | 2469 |
| DUNLIN GP | 2757.5 | 2874 | — | — | 2583 |
| STATFJORD GP | — | — | — | — | 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 | 127.00 km | 50.00 mW/m2 | {"qualityScores":["U3.Mx.-------"]} |
| R24-P038356 | 136.79 km | 44.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P038354 | 142.09 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.