Well Data Manager / Well Summary / 28/02- 1

28/02- 1

Decommissioned

Well Header

Well No
28/02- 1
NSTA DEN No
5111
Well Name
--
Drill Seq No
1
Quadrant / Block
28 / 2
Surface Location
56.934543, 0.391540
Source Datum
ED50
Subsea Well
Unknown
Platform
--
Slot No
--
Operator
ARCO BRITISH LIMITED, LLC
Original Operator
--
Sub Area Operator
ARCO BRITISH LIMITED, LLC
Licence No
P819
Licence Type
Production
Spud Date
1993-11-05
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

28/02- 1 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil and Gas Shows
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
86.26
TD MD (m)
1702.610
TD TVDSS (m)
1676.400
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1993-11-05
TD Reached
1993-11-14
Completion Date
1993-12-03
Release Date
1997-12-03

Formation Tops (17)

Wellbore Formation Era MD (m) TVDSS (m) Provider
28/02- 1 Horda Cenozoic 805.000 778.955 Lloyds Register
Stronsay Cenozoic 805.000 778.955 Lloyds Register
Upper Tay Sandstone 881.000 854.943 Lloyds Register
Upper Tay Sandstone 922.000 895.938 Lloyds Register
Balder Cenozoic 1063.000 1036.918 Lloyds Register
Moray Mesozoic 1063.000 1036.918 Lloyds Register
Sele Mesozoic 1164.000 1137.903 Lloyds Register
Montrose Mesozoic 1254.000 1227.894 Lloyds Register
Lista Mesozoic 1254.000 1227.894 Lloyds Register
Maureen Marl 1290.000 1263.892 Lloyds Register
Maureen Mesozoic 1290.000 1263.892 Lloyds Register
Upper Cretaceous Chalk Mesozoic 1295.000 1268.892 Lloyds Register
Chalk Mesozoic 1295.000 1268.892 Lloyds Register
Cromer Knoll Mesozoic 1488.000 1461.880 Lloyds Register
Valhall Mesozoic 1488.000 1461.880 Lloyds Register
Heron Palaeozoic 1494.000 1467.880 Lloyds Register
Smith Bank Mesozoic 1494.000 1467.880 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
28/02- 1 6 8 3 16 17 2 0 1 1 View

Hydrocarbon Occurrence (3)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
28/02- 1 Oil shows OS Horda Formation 828.7512 -- 94 m thick
28/02- 1 DST DST 1 -- 922.3 931.2 Label / Alba
28/02- 1 Oil shows OS UTS 922.3248000000001 -- 54 m thick

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
28/02- 1 Cuttings 780.29 1691.64 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
28/02- 1 101.44920349121094 1691.133544921875 11 0 2026-08-06 12:27:57.525811+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
28/02- 1
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 769.4183443200001 1686.56154432 6019
caliper CALI CGG Digital Well Logs 769.4183443200001 1686.56154432 6019
caliper CAL CGG Digital Well Logs 769.4183443200001 1677.26514432 5958
comp_sonic DT CGG Digital Well Logs 771.09474432 1684.2755443199999 5993
deep_resistivity LLD CGG Digital Well Logs 769.87554432 1691.13354432 6046
density_correction DRHO CGG Digital Well Logs 769.4183443200001 1686.56154432 6019
gamma_ray GR CGG Digital Well Logs 101.44914432 1676.19834432 10334
gamma_ray SGR CGG Digital Well Logs 701.9051443200001 1676.19834432 6394
gamma_ray CGR CGG Digital Well Logs 701.9051443200001 1676.19834432 6394
micro_resistivity MSFL CGG Digital Well Logs 769.87554432 1677.26514432 5955
neutron_por NPHI CGG Digital Well Logs 768.1991443200001 1680.31314432 5986
pef PEF CGG Digital Well Logs 769.4183443200001 1686.56154432 6019
potassium POTA CGG Digital Well Logs 701.9051443200001 1676.19834432 6394
shallow_resistivity LLS CGG Digital Well Logs 769.87554432 1691.13354432 6046
sp SP CGG Digital Well Logs 768.1991443200001 1665.3779443199999 5888
thorium THOR CGG Digital Well Logs 701.9051443200001 1676.19834432 6394
uranium URAN CGG Digital Well Logs 701.9051443200001 1676.19834432 6394

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
28/02- 1 51 1702.613 1676.475 D:\BigSpatial\nsta_raw\CGG_Deviation\28-2-1 18658cd_CGG-Deviation.xlsx

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