21/01a- 25Y
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
- 21/01a- 25
- Borehole / source record ID
- 21/01a- 25Y
- Sector
- Oil and gas
- Derived purpose group
- Development
- Operator in source snapshot
- NEO NEXT + ENERGY RESOURCES UK LIMITED
- Recorded spud date
- 2006-03-03
- Recorded completion date
- 2006-07-01
- Latitude / longitude (WGS84)
- 57.950490 / 0.194873
- Source-reported measurements
- 5975.3 m MD · Rotary Table
- Status reported by source
- Constructed
- 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
- 2006-04-04
- Source completion status
- Completed (Operating)
- Source wellbore status
- EXTANT
- Source well-origin status
- Present
- Target field
- TWEEDSMUIR SOUTH
- Flow class
- Oil Well
- Source fluid types
- Oil
- Parent well
- 21/01a- 25Z
- Parent-well relationship
- Sidetrack
- Licence number
- P241
- Total-depth licence number
- P241
Company roles reported by source
- Responsible wellbore operatorNEO NEXT + ENERGY RESOURCES UK LIMITED
- Licence operator at well originNEO NEXT + ENERGY RESOURCES UK LIMITED
- Licence operator at total depthNEO NEXT + ENERGY RESOURCES UK LIMITED
| Source-reported measurements | Value | Reference |
|---|---|---|
| TDMDDEPM | 5,975.30 m | Rotary Table |
| TDTVDSSM | 4,255.05 m | subsea |
| WATDEP_M | 132.89 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 |
|---|---|---|---|
| 21/01a- 25 | 0.00 km | 4,735 m | NSTA — UK offshore wellbore top holes |
| 21/01a- 25Z | 0.00 km | 5,420 m | NSTA — UK offshore wellbore top holes |
| 21/01a- 21 | 1.15 km | 5,188 m | NSTA — UK offshore wellbore top holes |
| 21/01a- 20 | 1.15 km | 4,492 m | NSTA — UK offshore wellbore top holes |
| 21/02- 6 | 2.07 km | 3,617 m | NSTA — UK offshore wellbore top holes |
| 21/02- 5 | 3.78 km | 4,439 m | NSTA — UK offshore wellbore top holes |
| 21/01a- 19 | 4.14 km | 4,606 m | NSTA — UK offshore wellbore top holes |
| 21/01a- 19Y | 4.14 km | 5,534 m | NSTA — UK offshore wellbore top holes |
| 21/01a- 19Z | 4.14 km | 5,212 m | NSTA — UK offshore wellbore top holes |
| 21/01a- 22 | 4.18 km | 4,810 m | NSTA — UK offshore wellbore top holes |
| 21/01a- 12 | 4.28 km | 4,628 m | NSTA — UK offshore wellbore top holes |
| 21/02- 10 | 4.47 km | 4,560 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-P003224 | 37.65 km | 63.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P003219 | 45.86 km | 51.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P003230 | 46.35 km | 44.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P003228 | 47.18 km | 54.00 mW/m2 | {"qualityScores":["Ux.Mx.-------"]} |
| R24-P003220 | 52.23 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.