21/28- 1
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
- 21/28- 1
- Borehole / source record ID
- 21/28- 1
- Sector
- Oil and gas
- Derived purpose group
- Exploration
- Operator in source snapshot
- NEO NEXT+ ENERGY (ZNI) LIMITED
- Recorded spud date
- 1971-10-05
- Recorded completion date
- 1972-06-10
- Latitude / longitude (WGS84)
- 57.113219 / 0.402308
- Source-reported measurements
- 1838.5 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
- 1971-10-30
- Source completion status
- Abandoned Phase 3
- Source wellbore status
- EXTANT
- Source well-origin status
- Decommissioned
- Flow class
- Gas Show
- Source fluid types
- Gas
- Licence number
- P77
- Total-depth licence number
- P77
Company roles reported by source
- Responsible wellbore operatorNEO NEXT+ ENERGY (ZNI) LIMITED
- Licence operator at well originNEO NEXT+ ENERGY (ZNI) LIMITED
- Licence operator at total depthNEO NEXT+ ENERGY (ZNI) LIMITED
| Source-reported measurements | Value | Reference |
|---|---|---|
| TDMDDEPM | 1,838.50 m | Kelly Bushing |
| TDTVDSSM | 1,827.83 m | subsea |
| WATDEP_M | 82.30 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 |
|---|---|---|---|
| 21/27b- 7 | 5.34 km | 1,358 m | NSTA — UK offshore wellbore top holes |
| 21/28a- 8 | 5.51 km | 5,216 m | NSTA — UK offshore wellbore top holes |
| 21/28a- 8Z | 5.51 km | 5,029 m | NSTA — UK offshore wellbore top holes |
| 21/28a- 6 | 5.90 km | 1,585 m | NSTA — UK offshore wellbore top holes |
| 21/27- 1 | 6.74 km | 893 m | NSTA — UK offshore wellbore top holes |
| 21/27- 1A | 6.74 km | 1,814 m | NSTA — UK offshore wellbore top holes |
| 21/28a- 4 | 8.15 km | 1,610 m | NSTA — UK offshore wellbore top holes |
| 21/28a- 10 | 8.84 km | 1,487 m | NSTA — UK offshore wellbore top holes |
| 21/28a- 10Z | 8.84 km | 1,454 m | NSTA — UK offshore wellbore top holes |
| 21/27a- 5 | 9.20 km | 1,088 m | NSTA — UK offshore wellbore top holes |
| 21/27a- 5X | 9.20 km | 2,057 m | NSTA — UK offshore wellbore top holes |
| 21/27a- 5Y | 9.20 km | 1,319 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-P003232 | 0.12 km | 49.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P003216 | 17.61 km | 102.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P003231 | 20.26 km | 62.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P003233 | 34.52 km | 64.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P003236 | 47.42 km | 53.00 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.