Well Data Manager / Well Summary / 21/15a- 8

21/15a- 8

Decommissioned

Well Header

Well No
21/15a- 8
NSTA DEN No
13763
Well Name
--
Drill Seq No
8
Quadrant / Block
21 / 15 a
Surface Location
57.654298, 0.914840
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
CNOOC PETROLEUM EUROPE LIMITED
Original Operator
--
Sub Area Operator
CNOOC PETROLEUM EUROPE LIMITED
Licence No
P120
Licence Type
Production
Spud Date
2005-11-27
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/15a- 8 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
H
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.380
Ground Elev (m)
--
Water Depth (m)
110.64
TD MD (m)
3642.360
TD TVDSS (m)
3614.318
TD Datum Depth (m)
22.860
TD Datum Type
Kelly Bushing
Spud Date
2005-11-27
TD Reached
2005-12-27
Completion Date
2006-01-05
Release Date
2010-01-05

Formation Tops (21)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/15a- 8 Undifferentiated Cenozoic 136.000 111.620 BGS LithoStrat Upper
Balder Cenozoic 2289.000 2264.379 BGS LithoStrat Upper
Sele Mesozoic 2323.000 2298.345 BGS LithoStrat Upper
Forties Sandstone Member Mesozoic 2361.000 2336.304 BGS LithoStrat Upper
Andrew Member Palaeozoic 2635.000 2609.769 BGS LithoStrat Upper
Maureen Mesozoic 2763.000 2737.320 BGS LithoStrat Upper
Ekofisk Mesozoic 2843.000 2816.968 BGS LithoStrat Upper
Tor Mesozoic 2896.000 2869.706 BGS LithoStrat Upper
Flounder Mesozoic 3231.000 3203.309 BGS LithoStrat Upper
Flounder Mesozoic 3441.000 3413.074 BGS LithoStrat Upper
Plenus Marl 3444.000 3416.074 BGS LithoStrat Upper
Hidra Mesozoic 3445.000 3417.073 BGS LithoStrat Upper
Hidra Mesozoic 3459.000 3431.070 BGS LithoStrat Upper
Valhall Mesozoic 3461.000 3433.069 BGS LithoStrat Upper
Valhall Mesozoic 3478.000 3450.066 BGS LithoStrat Upper
Valhall Mesozoic 3493.000 3465.063 BGS LithoStrat Upper
Valhall Mesozoic 3499.000 3471.062 BGS LithoStrat Upper
Kimmeridge Clay 3502.000 3474.061 BGS LithoStrat Upper
Kimmeridge Clay 3520.000 3492.057 BGS LithoStrat Upper
Kimmeridge Clay 3530.000 3502.056 BGS LithoStrat Upper
Rattray 3566.000 3538.050 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
21/15a- 8 0 0 0 21 21 1 0 0 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (0)

No cuttings, core, or plug samples recorded for this well.

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
21/15a- 8 135.63600158691406 3627.7294921875 5 0 2026-08-06 10:15:59.062619+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
21/15a- 8
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
comp_sonic DTCO CGG Digital Well Logs 3037.3320000000003 3609.2892 3754
deep_resistivity P40H CGG Digital Well Logs 3067.3548 3627.7296 3678
gamma_ray GR CGG Digital Well Logs 135.636 3627.4248000000002 22913
med_resistivity P28H CGG Digital Well Logs 3067.3548 3627.7296 3678
med_resistivity P34H CGG Digital Well Logs 3067.3548 3627.7296 3678
shallow_resistivity P16H CGG Digital Well Logs 3067.3548 3627.7296 3678
shallow_resistivity P22H CGG Digital Well Logs 3067.3548 3627.7296 3678
shear_sonic DTSM CGG Digital Well Logs 3037.4844000000003 3608.9844000000003 2912

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
21/15a- 8 85 3615.178 3587.223 D:\BigSpatial\nsta_raw\CGG_Deviation\21-15a-8 29335ag_CGG-Deviation.xlsx

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