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21/08- 4Z

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
21/08- 4
Borehole / source record ID
21/08- 4Z
Sector
Oil and gas
Derived purpose group
Appraisal
Operator in source snapshot
ENQUEST HEATHER LIMITED
Recorded spud date
2008-07-09
Recorded completion date
2008-07-24
Latitude / longitude (WGS84)
57.764429 / 0.428203
Source-reported measurements
2209.8 m MD · Rotary Table
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
2008-07-16
Source completion status
Abandoned Phase 3
Source wellbore status
EXTANT
Source well-origin status
Decommissioned
Flow class
Gas and Oil Well
Source fluid types
Gas, Oil
Parent well
21/08- 4
Parent-well relationship
Sidetrack
Sidetrack type
Geological
Licence number
P1107
Total-depth licence number
P1107

Company roles reported by source

Source-reported measurements
Source-reported measurementsValueReference
TDMDDEPM2,209.80 mRotary Table
TDTVDSSM1,756.56 msubsea
WATDEP_M113.39 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
21/08- 40.00 km2,492 mNSTA — UK offshore wellbore top holes
21/08- 21.82 km3,368 mNSTA — UK offshore wellbore top holes
21/08- 12.37 km3,266 mNSTA — UK offshore wellbore top holes
21/07- 27.18 km3,206 mNSTA — UK offshore wellbore top holes
21/07a- 39.60 km3,314 mNSTA — UK offshore wellbore top holes
21/08- 310.28 km4,576 mNSTA — UK offshore wellbore top holes
21/08a- 510.62 km2,623 mNSTA — UK offshore wellbore top holes
21/03b- 511.81 km3,731 mNSTA — UK offshore wellbore top holes
21/07- 112.74 km3,354 mNSTA — UK offshore wellbore top holes
21/09- 413.11 km2,326 mNSTA — UK offshore wellbore top holes
21/12- 2B14.09 km3,954 mNSTA — UK offshore wellbore top holes
21/12- 214.09 kmNot reported / not verified 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-P00321924.05 km51.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P00323025.89 km44.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P00322427.06 km63.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P00322828.62 km54.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
R24-P00322032.65 km53.00 mW/m2{"qualityScores":["Ux.Mx.-------"]}
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