Well Data Manager / Well Summary / 204/20- 4

204/20- 4

Decommissioned

Well Header

Well No
204/20- 4
NSTA DEN No
5485
Well Name
--
Drill Seq No
4
Quadrant / Block
204 / 20
Surface Location
60.424110, -4.140803
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
BP EXPLORATION OPERATING COMPANY LIMITED
Original Operator
--
Sub Area Operator
BP EXPLORATION OPERATING COMPANY LIMITED
Licence No
P556
Licence Type
Production
Spud Date
1995-03-26
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

204/20- 4 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
G
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
25.999
Ground Elev (m)
--
Water Depth (m)
509.00
TD MD (m)
3500.010
TD TVDSS (m)
3473.500
TD Datum Depth (m)
25.999
TD Datum Type
Kelly Bushing
Spud Date
1995-03-26
TD Reached
1995-04-26
Completion Date
1995-04-29
Release Date
1999-04-29

Formation Tops (6)

Wellbore Formation Era MD (m) TVDSS (m) Provider
204/20- 4 Nordland Cenozoic 535.000 -25.999 BGS LithoStrat Upper
Nordland Cenozoic 1466.000 -9.931 BGS LithoStrat Upper
Balder Cenozoic 1480.000 4.068 BGS LithoStrat Upper
Lista Mesozoic 1616.000 140.058 BGS LithoStrat Upper
Maureen Formation Equivalent Mesozoic 2862.000 1386.002 BGS LithoStrat Upper
Danian Sands Formation 3410.000 1933.713 BGS LithoStrat Upper

Lithology Intervals

204/20- 4 Curve: SANDCOUNT 165 intervals  ·  MD 1490.929 – 3495.142 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/WoS_ArcGIS...
Sandstone (280)
Coal (28)
Limestone (18)
Tuff (4)
204/20- 4 Curve: SANDCOUNT 165 intervals  ·  MD 1490.929 – 3495.142 m G:/NSTA_BigFiles/NSTA_Packages/WoS_OS/Lithology curves/20...
Sandstone (280)
Coal (28)
Limestone (18)
Tuff (4)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
204/20- 4 3 0 0 6 6 3 0 0 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

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
204/20- 4 534.8995971679688 3494.8125 11 0 2026-08-06 20:36:48.085991+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
204/20- 4
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DENS UKCS JDWL 30th Round 1466.3684 3478.658 13205
caliper CALI UKCS JDWL 30th Round 1466.3684 3478.8104 13206
comp_sonic DTC UKCS JDWL 30th Round 1467.8924 3486.5828 13247
deep_resistivity RDEP UKCS JDWL 30th Round 1466.3684 3494.8124 13311
density_correction DENC UKCS JDWL 30th Round 1466.3684 3478.658 13205
gamma_ray GR UKCS JDWL 30th Round 534.8996 3488.4116 19381
micro_resistivity RMIC UKCS JDWL 30th Round 1466.5208 3494.8124 13310
neutron_por NEUT UKCS JDWL 30th Round 1466.3684 3402.7628 12707
pef PEF UKCS JDWL 30th Round 1466.3684 3478.658 13205
shallow_resistivity RSHAL UKCS JDWL 30th Round 1466.3684 3494.8124 13311
shear_sonic DTS2 UKCS JDWL 30th Round 1466.3684 3429.89 12885
shear_sonic DTS1 UKCS JDWL 30th Round 1466.3684 3429.89 12885
shear_sonic DTS UKCS JDWL 30th Round 1466.3684 3426.842 12769
sp SP UKCS JDWL 30th Round 1466.3684 3396.9716 12669

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
204/20- 4 23 3428.000 1951.694 G:\NSTA_BigFiles\NSTA_Packages\UKCS_JDWL_30thRound\WOS\204_20-4_DEVIATION_SURVEY_QC.xlsm

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