22/05b-A12Z

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: 22/05b-A12
Borehole / source record ID: 22/05b-A12Z
Sector: Oil and gas
Derived purpose group: Development
Operator in source snapshot: CHRYSAOR NORTH SEA LIMITED
Recorded spud date: 2002-11-08
Recorded completion date: 2005-01-03
Latitude / longitude (WGS84): 57.956816 / 1.844334
Source-reported measurements: 3924.3 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: 2002-11-23
Source completion status: Completed (Shut In)
Source wellbore status: EXTANT
Source well-origin status: Present
Target field: SEYMOUR
Flow class: Gas, Oil and Condensate Well
Source fluid types: Condensate, Gas, Oil
Parent well: 22/05b-A12
Parent-well relationship: Sidetrack
Licence number: P356
Total-depth licence number: P356

Company roles reported by source

Responsible wellbore operatorCHRYSAOR NORTH SEA LIMITED
Licence operator at well originCHRYSAOR NORTH SEA LIMITED
Licence operator at total depthCHRYSAOR NORTH SEA LIMITED

Source-reported measurements
Source-reported measurements	Value	Reference
TDMDDEPM	3,924.30 m	Rotary Table
TDTVDSSM	3,577.44 m	subsea
WATDEP_M	89.92 m	Not reported / not verified

NSTA — UK offshore wellbore top holes ↗

Source accessed: 2026-10-02

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.

Open source record ↗

JSON ↗Explore measurements →Data API · Measurements ↗Data API ↗

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.

Nearby wells and heat flow
Name	Distance	Source-reported measurements	Source catalogues
22/05b-A10	0.00 km	6,389 m	NSTA — UK offshore wellbore top holes
22/05b-A12	0.00 km	3,924 m	NSTA — UK offshore wellbore top holes
H1	0.00 km	6,299 m	NSTA — UK offshore wellbore top holes
SH18	0.00 km	6,046 m	NSTA — UK offshore wellbore top holes
22/05b-A9	0.00 km	4,907 m	NSTA — UK offshore wellbore top holes
22/05b-A7	0.00 km	5,227 m	NSTA — UK offshore wellbore top holes
22/05b-A6	0.00 km	5,504 m	NSTA — UK offshore wellbore top holes
22/05b-A3	0.01 km	4,698 m	NSTA — UK offshore wellbore top holes
22/05b-A3Z	0.01 km	4,645 m	NSTA — UK offshore wellbore top holes
22/05b-A8	0.01 km	7,286 m	NSTA — UK offshore wellbore top holes
22/05b-A1	0.01 km	4,474 m	NSTA — UK offshore wellbore top holes
22/05b-A1J	0.01 km	4,014 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.

Subsurface temperature and heat flow
Name	Distance	Subsurface temperature and heat flow	Quality flags
R24-P003221	18.94 km	74.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}
R24-P003214	43.17 km	50.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}
R24-P003225	53.70 km	64.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}
R24-P031366	54.81 km	66.50 mW/m2	{"qualityScores":["U1.M3.SXXP-X-"]}
R24-P003218	55.93 km	59.00 mW/m2	{"qualityScores":["Ux.Mx.-------"]}

IHFC · Global Heat Flow Database, Release 2024 (v. 2026.03) ↗

Source accessed: 2026-10-04T21:47:13.346812+00:00

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.