Well Data Manager / Well Summary / 20/02a- 8

20/02a- 8

Decommissioned

Well Header

Well No
20/02a- 8
NSTA DEN No
19226
Well Name
--
Drill Seq No
8
Quadrant / Block
20 / 2 a
Surface Location
57.834723, -0.627945
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
P317
Licence Type
Production
Spud Date
2008-04-18
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

20/02a- 8 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Well
Dev Type
--
Convention
--
Primary Target
H
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
113.08
TD MD (m)
4645.150
TD TVDSS (m)
3848.400
TD Datum Depth (m)
25.908
TD Datum Type
Rotary Table
Spud Date
2008-04-18
TD Reached
2008-06-11
Completion Date
2008-08-12
Release Date
2012-08-12

Formation Tops (14)

Wellbore Formation Era MD (m) TVDSS (m) Provider
20/02a- 8 Undifferentiated Cenozoic 139.000 113.092 BGS LithoStrat Upper
Ekofisk Mesozoic 1462.000 1428.843 BGS LithoStrat Upper
Tor Mesozoic 1512.000 1477.451 BGS LithoStrat Upper
Hod Mesozoic 1613.000 1575.724 BGS LithoStrat Upper
Herring Mesozoic 1971.000 1922.347 BGS LithoStrat Upper
Plenus Marl 2073.000 2020.812 BGS LithoStrat Upper
Hidra Mesozoic 2088.000 2035.292 BGS LithoStrat Upper
Rodby Mesozoic 2165.000 2109.606 BGS LithoStrat Upper
Sola Formation 2184.000 2127.947 BGS LithoStrat Upper
Valhall Mesozoic 2410.000 2345.779 BGS LithoStrat Upper
Devil's Hole Mesozoic 2933.000 2835.878 BGS LithoStrat Upper
Kimmeridge Clay 3039.000 2928.286 BGS LithoStrat Upper
Ettrick Sands 3670.000 3300.378 BGS LithoStrat Upper
Buzzard Claystone Member 4267.000 3602.588 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
20/02a- 8 0 0 0 14 14 1 0 0 2 View

Hydrocarbon Occurrence (3)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
20/02a- 8 DST DST 1 -- 3667.7 3751.8 Not used for labelling, multiple DSTs in same play / Upper Jurassic
20/02a- 8 DST DST 1A -- 3667.7 3716.7 Label / Upper Jurassic
20/02a- 8 Oil OW Burns Sandstone Member 3669.7920000000004 -- 47 m thick

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
20/02a- 8 1051.56005859375 4631.13134765625 10 0 2026-08-06 17:14:23.552176+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
20/02a- 8
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOZ CGG Digital Well Logs 3328.7208 4614.0624 8435
caliper HCAL CGG Digital Well Logs 3328.7208 4612.2336000000005 8423
comp_sonic DTCO CGG Digital Well Logs 1067.2572 4622.5968 23330
deep_resistivity RESD CGG Digital Well Logs 1064.2092 4631.1312 23376
deep_resistivity AT90 CGG Digital Well Logs 3328.7208 4631.1312 8547
density_correction HDRA CGG Digital Well Logs 3328.7208 4614.0624 8435
gamma_ray GR CGG Digital Well Logs 1051.56 4608.576 23337
med_resistivity AT60 CGG Digital Well Logs 3328.7208 4631.1312 8547
med_resistivity AT30 CGG Digital Well Logs 3328.7208 4631.1312 8547
med_resistivity AT20 CGG Digital Well Logs 3328.7208 4631.1312 8547
med_resistivity RESM CGG Digital Well Logs 1064.2092 4631.1312 23376
neutron_por TNPH CGG Digital Well Logs 3280.5624000000003 4610.4048 8727
pef PEFZ CGG Digital Well Logs 3328.7208 4614.0624 8435
shallow_resistivity RESS CGG Digital Well Logs 1064.2092 4631.1312 23376
shallow_resistivity AT10 CGG Digital Well Logs 3328.7208 4631.1312 8547
shear_sonic DTSM CGG Digital Well Logs 1462.1256 4622.5968 14970

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
20/02a- 8 165 4646.070 3849.106 D:\BigSpatial\nsta_raw\CGG_Deviation\20-2a-8 29951ek-CGG-Deviation.xlsx

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