Well Data Manager / Well Summary / 211/28a-H12

211/28a-H12

Decommissioned

Well Header

Well No
211/28a-H12
NSTA DEN No
2625
Well Name
--
Drill Seq No
12
Quadrant / Block
211 / 28 a
Surface Location
61.068491, 1.401122
Source Datum
ED50
Subsea Well
No
Platform
H
Slot No
23
Operator
CNR INTERNATIONAL (U.K.) LIMITED
Original Operator
--
Sub Area Operator
CNR INTERNATIONAL (U.K.) LIMITED
Licence No
P204
Licence Type
Production
Spud Date
1985-03-14
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

211/28a-H12 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
CB
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
49.987
Ground Elev (m)
--
Water Depth (m)
148.13
TD MD (m)
5117.897
TD TVDSS (m)
3163.519
TD Datum Depth (m)
49.987
TD Datum Type
Kelly Bushing
Spud Date
1985-03-14
TD Reached
1985-04-28
Completion Date
1985-05-10
Release Date
1989-05-10

Formation Tops (10)

Wellbore Formation Era MD (m) TVDSS (m) Provider
211/28a-H12 Unknown 198.000 148.013 BGS LithoStrat Upper
Kimmeridge Clay 4923.000 4873.013 BGS LithoStrat Upper
Heather Mesozoic 4965.000 4915.013 BGS LithoStrat Upper
Upper Middle Shaly Unit 4975.000 4925.013 BGS LithoStrat Upper
Mid Shale Member 4978.000 4928.013 BGS LithoStrat Upper
Lower Middle Shaly Unit 4985.000 4935.013 BGS LithoStrat Upper
Jurassic Massive Sand 5016.000 4966.013 BGS LithoStrat Upper
Jurassic Mica Sand 5066.000 5016.013 BGS LithoStrat Upper
Jurassic Basal Sand 5102.000 5052.013 BGS LithoStrat Upper
Dunlin Mesozoic 5119.000 5069.013 BGS LithoStrat Upper

Lithology Intervals

No lithology intervals ingested for this well.

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
211/28a-H12 0 0 0 10 10 0 2 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (3)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
211/28a-H12 Cuttings 4675.63 5166.36 -- -- .
211/28a-H12 Core #1 5002.68 5013.05 -- -- in as 211/28 -H12 .
211/28a-H12 Core #2 5013.96 5042.4 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
211/28a-H12 4521.2509765625 5178.85693359375 14 0 2026-08-06 11:38:00.970728+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
211/28a-H12
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density CDEN Energective CorrectedLOGS 4922.3676000000005 5178.8568000000005 1684
caliper CLD Energective CorrectedLOGS 4935.6264 5173.218 1560
comp_sonic DT OGA Batch Unzipped 4522.0128 5117.8968 3911
comp_sonic DTC Energective CorrectedLOGS 4538.3196 5158.740000000001 4072
deep_resistivity ILD Energective CorrectedLOGS 4527.804 5169.7128 4213
deep_resistivity RES_DEP OGA Batch Unzipped 4523.232 5117.8968 3903
density_correction CDRH Energective CorrectedLOGS 4922.3676000000005 5178.8568000000005 1684
gamma_ray GR OGA Batch Unzipped 4523.232 5117.8968 3903
gamma_ray GRI Energective CorrectedLOGS 4521.2508 5176.7232 4302
med_resistivity ILM Energective CorrectedLOGS 4527.804 5169.8652 4214
med_resistivity RES_MED OGA Batch Unzipped 4523.232 5117.8968 3903
neutron_por CNEU Energective CorrectedLOGS 4922.3676000000005 5174.1324 1653
pef CPEF Energective CorrectedLOGS 4922.3676000000005 5178.8568000000005 1682
porosity PHIE OGA Batch Unzipped 4968.240000000001 5135.88 1101
shallow_resistivity RES_SLW OGA Batch Unzipped 4522.0128 5117.8968 3911
sp SP Energective CorrectedLOGS 4527.4992 5171.236800000001 4225
tvdss SS Energective CorrectedLOGS 4521.0984 5179.1616 4319
vshale VSGR Energective CorrectedLOGS 4537.4052 5176.5708 4195
vshale VSH Energective CorrectedLOGS 4537.4052 5176.5708 4195
water_sat SW OGA Batch Unzipped 4968.240000000001 5135.88 1101

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
211/28a-H12 0 -- -- --

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