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49/25a- 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
49/25a- 4
Borehole / source record ID
49/25a- 4
Sector
Oil and gas
Derived purpose group
Appraisal
Operator in source snapshot
ONE-DYAS UK LIMITED
Recorded spud date
1981-12-27
Recorded completion date
1982-02-15
Latitude / longitude (WGS84)
53.230587 / 2.819925
Source-reported measurements
2683.76 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
1982-02-02
Source completion status
Abandoned Phase 3
Source wellbore status
EXTANT
Source well-origin status
Decommissioned
Target field
NORTH SEAN
Flow class
Gas Well
Source fluid types
Gas
Licence number
P54
Total-depth licence number
P54

Company roles reported by source

Source-reported measurements
Source-reported measurementsValueReference
TDMDDEPM2,683.76 mKelly Bushing
TDTVDSSM2,683.76 msubsea
WATDEP_M30.48 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 ↗
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
NameDistanceSource-reported measurementsSource catalogues
49/25a-R10.71 km2,915 mNSTA — UK offshore wellbore top holes
49/25a-R20.71 km2,713 mNSTA — UK offshore wellbore top holes
49/25a-R30.71 km9,263 mNSTA — UK offshore wellbore top holes
49/25a-R40.71 km2,812 mNSTA — UK offshore wellbore top holes
49/25a-R50.71 km2,784 mNSTA — UK offshore wellbore top holes
49/25a-R60.71 km4,159 mNSTA — UK offshore wellbore top holes
RD030.71 km3,761 mNSTA — UK offshore wellbore top holes
RD03S10.71 km3,693 mNSTA — UK offshore wellbore top holes
49/25- 11.50 km2,675 mNSTA — UK offshore wellbore top holes
49/25- 1J1.50 km1,844 mNSTA — UK offshore wellbore top holes
49/25a- 63.00 km2,544 mNSTA — UK offshore wellbore top holes
49/25a- 53.27 km2,716 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-P0033514.37 km58.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P0033488.24 km71.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P00334910.12 km81.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P00334710.17 km73.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P00335012.53 km63.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
w.

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