Well Data Manager / Well Summary / 15/18b- 4

15/18b- 4

Decommissioned

Well Header

Well No
15/18b- 4
NSTA DEN No
2757
Well Name
--
Drill Seq No
4
Quadrant / Block
15 / 18 b
Surface Location
58.479464, 0.457500
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
BP EXPLORATION OPERATING COMPANY LIMITED
Original Operator
--
Sub Area Operator
BP EXPLORATION OPERATING COMPANY LIMITED
Licence No
P487
Licence Type
Production
Spud Date
1985-08-27
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

15/18b- 4 Original
Abandoned Phase 3 Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
--
Dev Type
--
Convention
--
Primary Target
D
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.878
Ground Elev (m)
--
Water Depth (m)
144.96
TD MD (m)
56.479
TD TVDSS (m)
0.000
TD Datum Depth (m)
25.878
TD Datum Type
Kelly Bushing
Spud Date
1985-08-27
TD Reached
1985-08-28
Completion Date
1985-08-28
Release Date
1989-08-28
15/18b- 4A Sidetrack A parent: 15/18b- 4
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
D
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.878
Ground Elev (m)
--
Water Depth (m)
144.96
TD MD (m)
2503.475
TD TVDSS (m)
0.000
TD Datum Depth (m)
25.878
TD Datum Type
Kelly Bushing
Spud Date
1985-08-27
TD Reached
1985-09-30
Completion Date
1985-10-02
Release Date
1989-10-02

Formation Tops (30)

Wellbore Formation Era MD (m) TVDSS (m) Provider
15/18b- 4A Horda Cenozoic 647.000 621.094 Lloyds Register
Grid Sandstone Cenozoic 647.000 621.094 Lloyds Register
Stronsay Cenozoic 647.000 621.094 Lloyds Register
Middle Mousa 875.000 849.094 Lloyds Register
Horda Cenozoic 1092.000 1066.092 Lloyds Register
Skroo Sandstone Cenozoic 1150.000 1124.092 Lloyds Register
Balder Cenozoic 1263.000 1237.089 Lloyds Register
Balder Tuff Cenozoic 1263.000 1237.089 Lloyds Register
Moray Mesozoic 1263.000 1237.089 Lloyds Register
Dornoch Mesozoic 1356.000 1330.084 Lloyds Register
Upper Dornoch Sandstone Cenozoic 1356.000 1330.084 Lloyds Register
Sele Mesozoic 1585.000 1559.044 Lloyds Register
Lower Dornoch Sandstone Cenozoic 1585.000 1559.044 Lloyds Register
Lista Mesozoic 1622.000 1596.037 Lloyds Register
Montrose Mesozoic 1622.000 1596.037 Lloyds Register
Fergie Sandstone 1690.000 1664.019 Lloyds Register
Balmoral Sandstone Cenozoic 1766.000 1740.002 Lloyds Register
Andrew Sandstone Cenozoic 1840.000 1814.001 Lloyds Register
Maureen Mesozoic 2069.000 2042.993 Lloyds Register
Maureen Sandstone Mesozoic 2083.000 2056.992 Lloyds Register
Ekofisk Mesozoic 2191.000 2164.988 Lloyds Register
Chalk Mesozoic 2191.000 2164.988 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2226.000 2199.988 Lloyds Register
Lower Cretaceous Undifferentiated Mesozoic 2404.000 2377.988 Lloyds Register
Cromer Knoll Mesozoic 2404.000 2377.988 Lloyds Register
Piper Mesozoic 2418.000 2391.988 Lloyds Register
Humber Mesozoic 2418.000 2391.988 Lloyds Register
Pentland Mesozoic 2501.000 2474.988 Lloyds Register
Fladen Mesozoic 2501.000 2474.988 Lloyds Register
Rattray Volcanics Mesozoic 2518.000 2491.988 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
15/18b- 4 0 0 0 0 0 0 1 0 0 View
15/18b- 4A 7 13 10 19 30 1 0 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
15/18b- 4 Core #1 2419.96 2438.1 -- -- .
15/18b- 4A Cuttings 269.99 2529.96 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
15/18b- 4A 237.5915985107422 2530.144775390625 11 0 2026-08-06 08:18:28.489515+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
15/18b- 4A
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 2246.5284 2529.6876 1859
caliper CAL CGG Digital Well Logs 252.984 2529.84 14703
caliper CALS CGG Digital Well Logs 2246.2236 2515.362 1767
comp_sonic DT CGG Digital Well Logs 253.2888 2518.7148 14711
deep_resistivity LLD CGG Digital Well Logs 2246.6808 2525.8776 1833
deep_resistivity ILD CGG Digital Well Logs 253.746 2528.1636 14877
density_correction DRHO CGG Digital Well Logs 2247.4428 2529.84 1854
gamma_ray GR CGG Digital Well Logs 237.5916 2521.1532 14985
gamma_ray GRL CGG Digital Well Logs 2234.0316 2514.7524 1843
gamma_ray GRD CGG Digital Well Logs 2239.0608 2521.0008 1851
micro_resistivity MSFL CGG Digital Well Logs 2234.946 2515.2096 1829
neutron_por NPHI CGG Digital Well Logs 2246.0712 2523.5916 1822
pef PEF CGG Digital Well Logs 2245.9188 2529.6876 1863
shallow_resistivity LLS CGG Digital Well Logs 2246.5284 2525.8776 1834
shallow_resistivity SFLU CGG Digital Well Logs 252.984 2528.9256 14911
sp SPL CGG Digital Well Logs 2246.6808 2510.79 1734
sp SP CGG Digital Well Logs 252.984 2530.1448 14936

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
15/18b- 4 0 -- -- --
15/18b- 4A 71 2531.000 2504.988 D:\BigSpatial\nsta_raw\CGG_Deviation\15-18b-4A 3073am_CGG-Deviation.xlsx

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