Well Data Manager / Well Summary / 20/11- 1

20/11- 1

Decommissioned

Well Header

Well No
20/11- 1
NSTA DEN No
10356
Well Name
--
Drill Seq No
1
Quadrant / Block
20 / 11
Surface Location
57.650420, -0.880779
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
P1101
Licence Type
Production
Spud Date
2004-04-15
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

20/11- 1 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
26.520
Ground Elev (m)
--
Water Depth (m)
112.47
TD MD (m)
2777.338
TD TVDSS (m)
2750.210
TD Datum Depth (m)
26.365
TD Datum Type
Rotary Table
Spud Date
2004-04-15
TD Reached
2004-04-28
Completion Date
2004-05-02
Release Date
2007-05-02

Formation Tops (17)

Wellbore Formation Era MD (m) TVDSS (m) Provider
20/11- 1 Montrose Mesozoic 139.000 112.475 Lloyds Register
Stronsay Cenozoic 139.000 112.475 Lloyds Register
Moray Mesozoic 139.000 112.475 Lloyds Register
Upper Cretaceous Chalk Mesozoic 916.000 889.405 Lloyds Register
Chalk Mesozoic 916.000 889.405 Lloyds Register
Herring Mesozoic 1358.000 1331.399 Lloyds Register
Plenus Marl 1430.000 1403.395 Lloyds Register
Hidra Mesozoic 1433.000 1406.395 Lloyds Register
Sola 1516.000 1489.388 Lloyds Register
Cromer Knoll Mesozoic 1516.000 1489.388 Lloyds Register
Valhall Mesozoic 1671.000 1644.369 Lloyds Register
Humber Mesozoic 1923.000 1896.315 Lloyds Register
Kimmeridge Clay 1923.000 1896.315 Lloyds Register
Heather Mesozoic 2553.000 2526.009 Lloyds Register
Sgiath Mesozoic 2621.000 2593.946 Lloyds Register
Smith Bank Mesozoic 2738.000 2710.820 Lloyds Register
Heron Palaeozoic 2738.000 2710.820 Lloyds Register

Lithology Intervals

20/11- 1 Curve: SANDCOUNT 38 intervals  ·  MD 1027.786 – 2736.494 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (36)
Limestone (2)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
20/11- 1 7 9 1 11 17 1 0 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
20/11- 1 Cuttings 1048.51 2777.34 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
20/11- 1 138.98880004882812 2761.03076171875 4 0 2026-08-06 09:54:00.440019+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
20/11- 1
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
deep_resistivity P40H CGG Digital Well Logs 1040.7396 2761.0308 11289
gamma_ray GR CGG Digital Well Logs 138.9888 2760.8784 17153
med_resistivity P28H CGG Digital Well Logs 1040.4348 2761.0308 11291
med_resistivity P34H CGG Digital Well Logs 1040.4348 2761.0308 11291
shallow_resistivity P16H CGG Digital Well Logs 1040.2824 2761.0308 11292
shallow_resistivity P22H CGG Digital Well Logs 1040.4348 2761.0308 11291

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
20/11- 1 57 2777.338 2750.113 D:\BigSpatial\nsta_raw\CGG_Deviation\20-11-1 22630ac_CGG-Deviation.xlsx

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