Well Data Manager / Well Summary / 20/25- 1

20/25- 1

Decommissioned

Well Header

Well No
20/25- 1
NSTA DEN No
6354
Well Name
--
Drill Seq No
1
Quadrant / Block
20 / 25
Surface Location
57.254775, -0.065805
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
SHELL U.K. LIMITED
Original Operator
--
Sub Area Operator
SHELL U.K. LIMITED
Licence No
P932
Licence Type
Production
Spud Date
1998-03-17
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

20/25- 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
B
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.298
Ground Elev (m)
--
Water Depth (m)
82.30
TD MD (m)
1669.390
TD TVDSS (m)
1644.091
TD Datum Depth (m)
25.298
TD Datum Type
Kelly Bushing
Spud Date
1998-03-17
TD Reached
1998-04-09
Completion Date
1998-04-13
Release Date
2002-04-13

Formation Tops (19)

Wellbore Formation Era MD (m) TVDSS (m) Provider
20/25- 1 Dornoch Mesozoic 762.000 736.660 Lloyds Register
Upper Dornoch Sandstone Cenozoic 762.000 736.660 Lloyds Register
Moray Mesozoic 762.000 736.660 Lloyds Register
Sele Mesozoic 884.000 858.545 Lloyds Register
Forties Sandstone Mesozoic 936.000 910.486 Lloyds Register
Lista Mesozoic 955.000 929.474 Lloyds Register
Montrose Mesozoic 955.000 929.474 Lloyds Register
Maureen Mesozoic 1144.000 1118.410 Lloyds Register
Tor Mesozoic 1182.000 1156.399 Lloyds Register
Chalk Mesozoic 1182.000 1156.399 Lloyds Register
Upper Cretaceous Chalk Mesozoic 1357.000 1331.348 Lloyds Register
Plenus Marl 1507.000 1481.315 Lloyds Register
Hidra Mesozoic 1510.000 1484.314 Lloyds Register
Valhall Mesozoic 1527.000 1501.310 Lloyds Register
Cromer Knoll Mesozoic 1527.000 1501.310 Lloyds Register
Humber Mesozoic 1632.000 1606.279 Lloyds Register
Kimmeridge Clay 1632.000 1606.279 Lloyds Register
Heron Palaeozoic 1640.000 1614.276 Lloyds Register
Smith Bank Mesozoic 1640.000 1614.276 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
20/25- 1 6 10 3 15 19 3 1 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (2)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
20/25- 1 Cuttings 798.58 1694.69 -- -- in as 20/25 - B
20/25- 1 Core #1 1648.97 1663.6 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
20/25- 1 195.07200622558594 1694.3831787109375 9 0 2026-08-06 17:17:28.118183+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
20/25- 1
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 195.072 1666.4940000000001 9609
caliper CALI CGG Digital Well Logs 195.072 1679.448 9644
comp_sonic DT24 CGG Digital Well Logs 761.6952 1667.8656 5816
deep_resistivity RD CGG Digital Well Logs 776.3256 1685.3916000000002 5914
density_correction DRHO CGG Digital Well Logs 195.072 1666.3416 9554
gamma_ray GR CGG Digital Well Logs 1498.3968 1654.4544 1025
gamma_ray GRD CGG Digital Well Logs 198.12 1659.0264000000002 9587
micro_resistivity RMLL CGG Digital Well Logs 776.3256 1694.3832 6025
neutron_por CNC CGG Digital Well Logs 775.716 1661.0076000000001 5810
potassium K CGG Digital Well Logs 1506.1692 1651.1016000000002 952
shallow_resistivity RS CGG Digital Well Logs 776.3256 1685.3916000000002 5914
thorium TH CGG Digital Well Logs 1506.1692 1651.1016000000002 952

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
20/25- 1 57 1694.688 1668.947 D:\BigSpatial\nsta_raw\CGG_Deviation\20-25-1 26973m_CGG-Deviation.xlsx

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