Well Data Manager / Well Summary / 20/01- 1

20/01- 1

Decommissioned

Well Header

Well No
20/01- 1
NSTA DEN No
1394
Well Name
--
Drill Seq No
1
Quadrant / Block
20 / 1
Surface Location
57.932621, -0.954235
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
ARCO BRITISH LIMITED, LLC
Original Operator
--
Sub Area Operator
ARCO BRITISH LIMITED, LLC
Licence No
P300
Licence Type
Production
Spud Date
1979-08-01
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

20/01- 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
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.079
Ground Elev (m)
--
Water Depth (m)
94.79
TD MD (m)
2286.610
TD TVDSS (m)
2191.000
TD Datum Depth (m)
24.079
TD Datum Type
Kelly Bushing
Spud Date
1979-08-01
TD Reached
1979-09-05
Completion Date
1979-09-09
Release Date
1983-09-09

Formation Tops (15)

Wellbore Formation Era MD (m) TVDSS (m) Provider
20/01- 1 Lista Mesozoic 731.000 706.863 Lloyds Register
Montrose Mesozoic 731.000 706.863 Lloyds Register
Glamis Tuff 988.000 963.854 Lloyds Register
Ekofisk Mesozoic 1112.000 1087.829 Lloyds Register
Chalk Mesozoic 1112.000 1087.829 Lloyds Register
Upper Cretaceous Chalk Mesozoic 1185.000 1160.825 Lloyds Register
Rodby Mesozoic 1717.000 1692.811 Lloyds Register
Cromer Knoll Mesozoic 1717.000 1692.811 Lloyds Register
Sola 1796.000 1771.807 Lloyds Register
Valhall Mesozoic 1888.000 1863.759 Lloyds Register
Kimmeridge Clay 2104.000 2079.495 Lloyds Register
Humber Mesozoic 2104.000 2079.495 Lloyds Register
Sgiath Mesozoic 2240.000 2215.483 Lloyds Register
Palaeozoic Pre-Cambrian 2250.000 2225.482 Lloyds Register
Basement 2250.000 2225.482 Lloyds Register

Lithology Intervals

20/01- 1 Curve: SANDCOUNT 7 intervals  ·  MD 1111.910 – 2248.662 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (5)
Limestone (2)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
20/01- 1 5 9 1 25 15 1 2 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (3)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
20/01- 1 Cuttings 445.01 2286.0 -- -- see s22086 to s22087 .
20/01- 1 Core #1 2099.77 2104.95 -- -- .
20/01- 1 Core #2 2259.79 2263.14 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
20/01- 1 107.44200134277344 7377.5 10 1 2026-08-06 09:47:35.828673+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
20/01- 1
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 435.25440000000003 2267.712 12025
caliper CALI CGG Digital Well Logs 434.64480000000003 2267.712 12029
caliper CALS CGG Digital Well Logs 436.32120000000003 2267.8644 12014
comp_sonic DT CGG Digital Well Logs 436.32120000000003 2275.6368 12053
deep_resistivity ILD CGG Digital Well Logs 436.47360000000003 2285.8476 12034
density_correction DRHO CGG Digital Well Logs 434.94960000000003 2267.712 11946
gamma_ray GR CGG Digital Well Logs 107.44200000000001 2267.5596 14171
gamma_ray GRD CGG Digital Well Logs 425.5008 2279.7516 12153
med_resistivity ILM CGG Digital Well Logs 436.32120000000003 2285.8476 12035
micro_resistivity MSFL CGG Digital Well Logs 437.38800000000003 2271.9792 11948
neutron_por NPHI CGG Digital Well Logs 434.94960000000003 2284.9332 12140
sp SP CGG Digital Well Logs 436.16880000000003 2285.8476 12128

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
20/01- 1 612 2287.830 2263.312 D:\BigSpatial\nsta_raw\CGG_Deviation\20-1-1 999af_CGG-Deviation.xlsx

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