Well Data Manager / Well Summary / 20/02a- 9

20/02a- 9

Decommissioned

Well Header

Well No
20/02a- 9
NSTA DEN No
22146
Well Name
--
Drill Seq No
9
Quadrant / Block
20 / 2 a
Surface Location
57.849246, -0.618220
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
2010-05-24
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

20/02a- 9 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Development
Original Intent
Appraisal
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
I
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
111.86
TD MD (m)
3657.600
TD TVDSS (m)
3630.473
TD Datum Depth (m)
25.908
TD Datum Type
Rotary Table
Spud Date
2010-05-24
TD Reached
2010-07-03
Completion Date
2010-08-11
Release Date
2014-08-11

Formation Tops (12)

Wellbore Formation Era MD (m) TVDSS (m) Provider
20/02a- 9 Maureen Mesozoic 138.000 112.092 Lloyds Register
Montrose Mesozoic 138.000 112.092 Lloyds Register
Chalk Mesozoic 1477.000 1451.092 Lloyds Register
Ekofisk Mesozoic 1477.000 1451.092 Lloyds Register
Upper Cretaceous Chalk Mesozoic 1532.000 1506.092 Lloyds Register
Cromer Knoll Mesozoic 2195.000 2169.092 Lloyds Register
Rodby Mesozoic 2195.000 2169.092 Lloyds Register
Sola 2222.000 2196.092 Lloyds Register
Valhall Mesozoic 2456.000 2430.092 Lloyds Register
Humber Mesozoic 3128.000 3102.092 Lloyds Register
Kimmeridge Clay 3128.000 3102.092 Lloyds Register
Burns Sandstone Mesozoic 3177.000 3151.092 Lloyds Register

Lithology Intervals

20/02a- 9 Curve: SANDCOUNT 96 intervals  ·  MD 1217.676 – 3633.521 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (93)
Limestone (3)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
20/02a- 9 4 7 1 13 12 1 0 0 1 View

Hydrocarbon Occurrence (2)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
20/02a- 9 DST DST 1 -- 0.0 0.0 Label / Upper Jurassic
20/02a- 9 Mixed shows OWGS Burns Sandstone Member 3347.6184000000003 -- 16 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- 9 193.09080505371094 3656.075927734375 10 0 2026-08-06 17:14:29.972719+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
20/02a- 9
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density ZDEN CGG Digital Well Logs 3245.2056000000002 3639.0072 2585
caliper CAL CGG Digital Well Logs 3244.9008000000003 3639.0072 2587
comp_sonic DT24 CGG Digital Well Logs 3245.0532000000003 3653.3328 2680
deep_resistivity RD CGG Digital Well Logs 3245.9676 3646.9320000000002 2632
density_correction ZCOR CGG Digital Well Logs 3245.2056000000002 3639.0072 2585
gamma_ray GR CGG Digital Well Logs 193.0908 3633.8256 22382
micro_resistivity RMLL CGG Digital Well Logs 3245.9676 3656.076 2692
neutron_por CNC CGG Digital Well Logs 3244.9008000000003 3635.6544000000004 2565
pef PE CGG Digital Well Logs 3245.2056000000002 3639.0072 2585
potassium K CGG Digital Well Logs 2944.2156 3635.5020000000004 4537
shallow_resistivity RS CGG Digital Well Logs 3245.9676 3646.9320000000002 2632
thorium TH CGG Digital Well Logs 2944.2156 3635.5020000000004 4537

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
20/02a- 9 0 -- -- --

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