50/26a- 4
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
- 50/26a- 4
- Borehole / source record ID
- 50/26a- 4
- Sector
- Oil and gas
- Derived purpose group
- Appraisal
- Operator in source snapshot
- TULLOW OIL SK LIMITED
- Recorded spud date
- 1990-07-12
- Recorded completion date
- 1990-08-12
- Latitude / longitude (WGS84)
- 53.128837 / 3.061101
- Source-reported measurements
- 1789.18 m MD · Kelly Bushing
- Status reported by source
- Decomissioned
- Source accessed
- 2026-10-02
- Source snapshot date
- Not reported / not verified
- Original coordinate reference system
- EPSG:4326 WGS84 service geometry; source TOPHOLEDTM attributes vary
- Total depth reached date
- 1990-08-06
- Source completion status
- Abandoned Phase 3
- Source wellbore status
- EXTANT
- Source well-origin status
- Decommissioned
- Target field
- ORWELL
- Flow class
- Gas Well
- Source fluid types
- Gas
- Licence number
- P60
- Total-depth licence number
- P60
Company roles reported by source
- Responsible wellbore operatorTULLOW OIL SK LIMITED
- Licence operator at well originTULLOW OIL SK LIMITED
- Licence operator at total depthTULLOW OIL SK LIMITED
| Source-reported measurements | Value | Reference |
|---|---|---|
| TDMDDEPM | 1,789.18 m | Kelly Bushing |
| TDTVDSSM | 1,752.60 m | subsea |
| WATDEP_M | 33.22 m | Not reported / not verified |
NSTA — UK offshore wellbore top holes ↗
Source accessed:
Reuse terms: unconfirmed
Contains information provided by the North Sea Transition Authority and/or other third parties.
ArcGIS item metadata does not specify a reuse licence; public access alone is not a licence.
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 |
|---|---|---|---|
| 50/26a- 7 | 1.16 km | 2,440 m | NSTA — UK offshore wellbore top holes |
| 50/26a-D1 | 1.83 km | 2,204 m | NSTA — UK offshore wellbore top holes |
| 50/26a-D2 | 1.83 km | 1,905 m | NSTA — UK offshore wellbore top holes |
| 50/26a-D3 | 1.83 km | 2,487 m | NSTA — UK offshore wellbore top holes |
| 50/26a- 2 | 1.85 km | 2,610 m | NSTA — UK offshore wellbore top holes |
| 50/26a- 3 | 3.91 km | 1,746 m | NSTA — UK offshore wellbore top holes |
| K16-02 | 4.99 km | 2,439 m | TNO / NLOG — Netherlands boreholes |
| K16-02-SIDETRACK1 | 4.99 km | 2,623 m | TNO / NLOG — Netherlands boreholes |
| K16-05 | 5.43 km | 2,138 m | TNO / NLOG — Netherlands boreholes |
| K16-05-SIDETRACK1 | 5.43 km | 2,635 m | TNO / NLOG — Netherlands boreholes |
| 50/21- 2 | 6.17 km | 2,796 m | NSTA — UK offshore wellbore top holes |
| 49/30a- 5 | 6.85 km | 2,392 m | NSTA — UK offshore wellbore top holes |
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-P059090 | 10.52 km | 78.00 mW/m2 | {"qualityScores":["Ux.M4.-------"]} |
| R24-P003360 | 13.66 km | 87.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P059070 | 14.55 km | 79.00 mW/m2 | {"qualityScores":["Ux.M4.-------"]} |
| R24-P059071 | 14.60 km | 78.00 mW/m2 | {"qualityScores":["Ux.M4.-------"]} |
| R24-P059047 | 15.33 km | 84.00 mW/m2 | {"qualityScores":["Ux.M4.-------"]} |
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.