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12/21- 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
12/21- 4
Borehole / source record ID
12/21- 4
Sector
Oil and gas
Derived purpose group
Exploration
Operator in source snapshot
BRITOIL LIMITED
Recorded spud date
1986-10-18
Recorded completion date
1986-11-17
Latitude / longitude (WGS84)
58.174049 / -2.911879
Source-reported measurements
2380.18 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
1986-11-17
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
P369
Total-depth licence number
P369

Company roles reported by source

Source-reported measurements
Source-reported measurementsValueReference
TDMDDEPM2,380.18 mKelly Bushing
TDTVDSSM2,345.13 msubsea
WATDEP_M42.06 mNot 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.

Open source record ↗

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
NameDistanceSource-reported measurementsSource catalogues
12/26a- 43.90 km2,409 mNSTA — UK offshore wellbore top holes
12/21c-J24.14 km2,610 mNSTA — UK offshore wellbore top holes
12/21c- 64.14 km2,278 mNSTA — UK offshore wellbore top holes
12/21c-J34.14 km2,944 mNSTA — UK offshore wellbore top holes
12/21- 24.78 km3,519 mNSTA — UK offshore wellbore top holes
12/21- 55.79 km2,760 mNSTA — UK offshore wellbore top holes
12/26c- 56.35 km2,426 mNSTA — UK offshore wellbore top holes
11/30a-B127.06 km2,332 mNSTA — UK offshore wellbore top holes
11/30a-B27.06 km2,511 mNSTA — UK offshore wellbore top holes
11/30a-B77.06 km2,957 mNSTA — UK offshore wellbore top holes
11/30a-B97.06 km2,520 mNSTA — UK offshore wellbore top holes
11/30a-B9Z7.06 km3,130 mNSTA — 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
NameDistanceSubsurface temperature and heat flowQuality flags
R24-P003224186.27 km63.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P031367197.18 km108.10 mW/m2{"qualityScores":["Ux.M3.sXXP-X-"]}
R24-P003231215.05 km62.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
w.

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