21/04a- 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
- 21/04a- 4
- Borehole / source record ID
- 21/04a- 4
- Sector
- Oil and gas
- Derived purpose group
- Exploration
- Operator in source snapshot
- CHRYSAOR PRODUCTION (U.K.) LIMITED
- Recorded spud date
- 1991-06-06
- Recorded completion date
- 1991-07-22
- Latitude / longitude (WGS84)
- 57.982505 / 0.753225
- Source-reported measurements
- 2499.36 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
- 1991-07-11
- Source completion status
- Abandoned Phase 3
- Source wellbore status
- EXTANT
- Source well-origin status
- Decommissioned
- Flow class
- Oil Show
- Source fluid types
- Oil
- Licence number
- P347
- Total-depth licence number
- P347
Company roles reported by source
- Responsible wellbore operatorCHRYSAOR PRODUCTION (U.K.) LIMITED
- Licence operator at well originCHRYSAOR PRODUCTION (U.K.) LIMITED
- Licence operator at total depthCHRYSAOR PRODUCTION (U.K.) LIMITED
| Source-reported measurements | Value | Reference |
|---|---|---|
| TDMDDEPM | 2,499.36 m | Kelly Bushing |
| TDTVDSSM | 2,472.65 m | subsea |
| WATDEP_M | 147.83 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 |
|---|---|---|---|
| P | 1.06 km | 4,177 m | NSTA — UK offshore wellbore top holes |
| 15/29b- 13 | 2.22 km | 2,751 m | NSTA — UK offshore wellbore top holes |
| 15/29b-F2 | 2.68 km | 4,173 m | NSTA — UK offshore wellbore top holes |
| 15/29b-F2Z | 2.68 km | 4,476 m | NSTA — UK offshore wellbore top holes |
| 15/29b-F1 | 2.69 km | 4,602 m | NSTA — UK offshore wellbore top holes |
| 15/29b-F3 | 2.70 km | 3,673 m | NSTA — UK offshore wellbore top holes |
| 15/29b-F4 | 2.70 km | 3,659 m | NSTA — UK offshore wellbore top holes |
| 15/29b-F4Y | 2.70 km | 4,648 m | NSTA — UK offshore wellbore top holes |
| 15/29b-F4Z | 2.70 km | 3,485 m | NSTA — UK offshore wellbore top holes |
| Q | 2.85 km | 4,422 m | NSTA — UK offshore wellbore top holes |
| 15/29b- 12 | 2.86 km | 2,164 m | NSTA — UK offshore wellbore top holes |
| 15/29- 1 | 4.62 km | 3,854 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-P003214 | 24.24 km | 50.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P003228 | 26.07 km | 54.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P003230 | 28.75 km | 44.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P003220 | 30.92 km | 53.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P003219 | 31.02 km | 51.00 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.