Well Data Manager / Well Summary / 204/25b- 4

204/25b- 4

Decommissioned

Well Header

Well No
204/25b- 4
NSTA DEN No
5472
Well Name
--
Drill Seq No
4
Quadrant / Block
204 / 25 b
Surface Location
60.269060, -4.109069
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
P803
Licence Type
Production
Spud Date
1995-03-15
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

204/25b- 4 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
Rotary Table
Datum Elev (m)
21.200
Ground Elev (m)
--
Water Depth (m)
286.30
TD MD (m)
2313.000
TD TVDSS (m)
2291.300
TD Datum Depth (m)
22.007
TD Datum Type
Kelly Bushing
Spud Date
1995-03-15
TD Reached
1995-04-02
Completion Date
1995-04-03
Release Date
1999-04-03

Formation Tops (2)

Wellbore Formation Era MD (m) TVDSS (m) Provider
204/25b- 4 Moray Mesozoic 871.000 542.793 Ternan Atlantic Margin
Shetland Mesozoic 2009.000 1680.624 Ternan Atlantic Margin

Lithology Intervals

204/25b- 4 Curve: SANDCOUNT 103 intervals  ·  MD 831.190 – 2226.259 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/WoS_ArcGIS...
Sandstone (77)
Coal (13)
Limestone (12)
Tuff (1)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
204/25b- 4 4 6 6 9 2 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
204/25b- 4 308.0003967285156 2315.870361328125 11 0 2026-08-06 20:37:56.432537+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
204/25b- 4
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DENS UKCS JDWL 30th Round 831.4944 2292.4008 9587
caliper CALI UKCS JDWL 30th Round 824.9412 2292.4008 9630
comp_sonic DTC UKCS JDWL 30th Round 830.8848 2302.9164 9660
deep_resistivity RDEP UKCS JDWL 30th Round 831.9516 2311.908 9712
density_correction DENC UKCS JDWL 30th Round 831.4944 2292.4008 9587
gamma_ray GR UKCS JDWL 30th Round 308.0004 2284.9332 12973
micro_resistivity RMIC UKCS JDWL 30th Round 831.9516 2315.8704 9738
neutron_por NEUT UKCS JDWL 30th Round 831.4944 2286.9144 9551
pef PEF UKCS JDWL 30th Round 831.4944 2292.4008 9587
shallow_resistivity RSHAL UKCS JDWL 30th Round 831.9516 2311.908 9712
shear_sonic DTS1 UKCS JDWL 30th Round 831.4944 2302.9164 9656
shear_sonic DTS2 UKCS JDWL 30th Round 831.4944 2302.9164 9656
sp SP UKCS JDWL 30th Round 831.9516 2201.8752 8990

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
204/25b- 4 265 2313.000 1984.296 G:\NSTA_BigFiles\NSTA_Packages\UKCS_JDWL_30thRound\WOS\204_25b-4_DEVIATION_SURVEY_QC.xlsm

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