Well Data Manager / Well Summary / 15/28b- 4

15/28b- 4

Decommissioned

Well Header

Well No
15/28b- 4
NSTA DEN No
2596
Well Name
--
Drill Seq No
4
Quadrant / Block
15 / 28 b
Surface Location
58.069698, 0.450993
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
HESS LIMITED
Original Operator
--
Sub Area Operator
HESS LIMITED
Licence No
P339
Licence Type
Production
Spud Date
1985-02-02
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

15/28b- 4 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Well
Dev Type
--
Convention
--
Primary Target
D
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
149.96
TD MD (m)
2990.698
TD TVDSS (m)
2965.519
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1985-02-02
TD Reached
1985-03-26
Completion Date
1985-03-29
Release Date
1989-03-29

Formation Tops (24)

Wellbore Formation Era MD (m) TVDSS (m) Provider
15/28b- 4 Horda Cenozoic 1181.000 1155.982 Lloyds Register
Stronsay Cenozoic 1181.000 1155.982 Lloyds Register
Moray Mesozoic 1672.000 1646.957 Lloyds Register
Balder Cenozoic 1672.000 1646.957 Lloyds Register
Balder Tuff Cenozoic 1722.000 1696.956 Lloyds Register
Sele Mesozoic 1784.000 1758.953 Lloyds Register
Cromarty Sandstone Cenozoic 1811.000 1785.951 Lloyds Register
Forties Sandstone Mesozoic 1854.000 1828.949 Lloyds Register
Montrose Mesozoic 1962.000 1936.948 Lloyds Register
Lista Mesozoic 1962.000 1936.948 Lloyds Register
Fergie Sandstone 1974.000 1948.948 Lloyds Register
Balmoral Sandstone Cenozoic 2018.000 1992.947 Lloyds Register
Glamis Tuff 2082.000 2056.947 Lloyds Register
Andrew Sandstone Cenozoic 2100.000 2074.947 Lloyds Register
Maureen Sandstone Mesozoic 2331.000 2305.942 Lloyds Register
Maureen Mesozoic 2331.000 2305.942 Lloyds Register
Chalk Mesozoic 2440.000 2414.937 Lloyds Register
Ekofisk Mesozoic 2440.000 2414.937 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2502.000 2476.926 Lloyds Register
Kimmeridge Clay 2849.000 2572.110 Lloyds Register
Humber Mesozoic 2849.000 2572.110 Lloyds Register
Fladen Mesozoic 2899.000 2572.110 Lloyds Register
Rattray Volcanics Mesozoic 2899.000 2572.110 Lloyds Register
Pentland Mesozoic 2899.000 2572.110 Lloyds Register

Lithology Intervals

15/28b- 4 Curve: SANDCOUNT 78 intervals  ·  MD 1117.702 – 2848.508 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Sandstone (69)
Limestone (9)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
15/28b- 4 6 9 9 20 24 2 0 1 3 View

Hydrocarbon Occurrence (5)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
15/28b- 4 Oil O Sele Formation 1814.7792000000002 -- 86 m thick
15/28b- 4 DST DST 2 -- 1820.6 1828.8 Not used for labelling, multiple DSTs in same play / Sele
15/28b- 4 DST DST 3 -- 1820.6 1828.8 Label / Sele
15/28b- 4 Oil O Montrose Group 1900.7328 -- 494 m thick
15/28b- 4 DST DST 1 -- 2100.1 2108.0 Label / Andrew

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
15/28b- 4 Cuttings 545.59 2990.09 -- -- wet samples .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
15/28b- 4 160.32479858398438 2994.8125 10 0 2026-08-06 17:01:11.21708+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
15/28b- 4
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN CGG Digital Well Logs 1525.8288 2994.8124000000003 9640
caliper CAL CGG Digital Well Logs 1525.6764 2994.6600000000003 9640
comp_sonic AC CGG Digital Well Logs 548.64 2987.04 15200
deep_resistivity RILD CGG Digital Well Logs 523.0368 2991.612 16199
density_correction CORR CGG Digital Well Logs 1526.1336000000001 2994.8124000000003 9638
density_correction DENC OGA Batch Unzipped 183.4896 2990.3928 18419
gamma_ray GRD CGG Digital Well Logs 1520.952 2990.088 9641
gamma_ray GR CGG Digital Well Logs 160.3248 2983.992 18529
med_resistivity RES_MED OGA Batch Unzipped 183.4896 2990.3928 18419
med_resistivity RILM CGG Digital Well Logs 523.0368 2992.3740000000003 16204
neutron_por NEU OGA Batch Unzipped 183.4896 2990.3928 18419
neutron_por CN CGG Digital Well Logs 1525.6764 2991.9168 9622
shallow_resistivity RFOC CGG Digital Well Logs 522.732 1540.4592 6679
sp SP CGG Digital Well Logs 521.8176 1540.6116000000002 6686

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
15/28b- 4 84 2597.200 2572.110 D:\BigSpatial\nsta_raw\CGG_Deviation\15-28b-4 952an_CGG-Deviation.xlsx

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