Well Data Manager / Well Summary / 20/10a- 3

20/10a- 3

Decommissioned

Well Header

Well No
20/10a- 3
NSTA DEN No
2570
Well Name
--
Drill Seq No
3
Quadrant / Block
20 / 10 a
Surface Location
57.728604, -0.106145
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
CNOOC PETROLEUM EUROPE LIMITED
Original Operator
--
Sub Area Operator
CNOOC PETROLEUM EUROPE LIMITED
Licence No
P200
Licence Type
Production
Spud Date
1984-12-21
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

20/10a- 3 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
C
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
26.213
Ground Elev (m)
--
Water Depth (m)
103.33
TD MD (m)
4018.788
TD TVDSS (m)
3991.569
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1984-12-21
TD Reached
1985-03-06
Completion Date
1985-03-13
Release Date
1989-03-13

Formation Tops (26)

Wellbore Formation Era MD (m) TVDSS (m) Provider
20/10a- 3 Beauly Cenozoic 922.000 895.781 Lloyds Register
Moray Mesozoic 922.000 895.781 Lloyds Register
Upper Dornoch Sandstone Cenozoic 1102.000 1075.776 Lloyds Register
Dornoch Mesozoic 1102.000 1075.776 Lloyds Register
Sele Mesozoic 1244.000 1217.765 Lloyds Register
Montrose Mesozoic 1415.000 1388.755 Lloyds Register
Lista Mesozoic 1415.000 1388.755 Lloyds Register
Maureen Mesozoic 1734.000 1707.740 Lloyds Register
Ekofisk Mesozoic 1858.000 1831.728 Lloyds Register
Chalk Mesozoic 1858.000 1831.728 Lloyds Register
Upper Cretaceous Chalk Mesozoic 1868.000 1841.726 Lloyds Register
Cromer Knoll Mesozoic 2198.000 2171.656 Lloyds Register
Rodby Mesozoic 2198.000 2171.656 Lloyds Register
Sola 2214.000 2187.652 Lloyds Register
Valhall Mesozoic 2293.000 2266.628 Lloyds Register
Kimmeridge Clay 2320.000 2293.619 Lloyds Register
Humber Mesozoic 2320.000 2293.619 Lloyds Register
Smith Bank Mesozoic 2384.000 2357.601 Lloyds Register
Heron Palaeozoic 2384.000 2357.601 Lloyds Register
Zechstein Palaeozoic 2791.000 2764.385 Lloyds Register
Turbot Anhydrite Palaeozoic 2791.000 2764.385 Lloyds Register
Kupferschiefer Palaeozoic 3442.000 3415.114 Lloyds Register
Auk 3445.000 3418.114 Lloyds Register
Rotliegend 3445.000 3418.114 Lloyds Register
Carboniferous Palaeozoic 3515.000 3488.103 Lloyds Register
Old Red Sandstone 3515.000 3488.103 Lloyds Register

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
20/10a- 3 9 16 1 28 26 1 0 1 0 View

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
20/10a- 3 Oil shows OS FRAS 3445.1544000000004 -- 70 m thick

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
20/10a- 3 Cuttings 249.94 4017.26 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
20/10a- 3 124.20600128173828 4021.8359375 11 0 2026-08-06 09:53:54.144861+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
20/10a- 3
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Additional JDWLs 759.5616 4021.8360000000002 21407
caliper CALI CGG Additional JDWLs 759.5616 4021.8360000000002 21364
comp_sonic DT CGG Additional JDWLs 228.29520000000002 4010.2536 24754
deep_resistivity ILD CGG Additional JDWLs 228.90480000000002 4018.9404000000004 24870
density_correction DRHO CGG Additional JDWLs 759.4092 4021.8360000000002 21408
gamma_ray GR CGG Additional JDWLs 124.206 4018.6356 25555
gamma_ray CGR CGG Additional JDWLs 2316.1752 4012.5396 11132
gamma_ray SGR CGG Additional JDWLs 2316.1752 4012.3872 11131
med_resistivity ILM CGG Additional JDWLs 229.81920000000002 4020.6168000000002 24875
micro_resistivity MSFL CGG Additional JDWLs 233.17200000000003 759.8664 3457
neutron_por NPHI CGG Additional JDWLs 759.8664 4012.8444000000004 21346
pef PEF CGG Additional JDWLs 759.714 4021.8360000000002 21406
potassium POTA CGG Additional JDWLs 2316.1752 4012.8444000000004 11134
sp SP CGG Additional JDWLs 227.83800000000002 769.7724000000001 3557
thorium THOR CGG Additional JDWLs 2316.1752 4012.5396 11132
uranium URAN CGG Additional JDWLs 2316.1752 4012.692 11133

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
20/10a- 3 120 4018.788 3991.586 D:\BigSpatial\nsta_raw\CGG_Deviation\7096m_CGG-Deviation.xlsx

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