Well Data Manager / Well Summary / 30/25a- 1

30/25a- 1

Decommissioned

Well Header

Well No
30/25a- 1
NSTA DEN No
1938
Well Name
--
Drill Seq No
1
Quadrant / Block
30 / 25 a
Surface Location
56.188132, 2.813324
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
--
Original Operator
--
Sub Area Operator
WOODSIDE ENERGY (GREAT BRITAIN) LIMITED
Licence No
P73
Licence Type
Production
Spud Date
1982-06-03
Source File
UKCS_Wells_ConvtoWGS84.shp
Imported
2026-05-22 15:28

Wellbores (1)

30/25a- 1A Sidetrack A
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
74.68
TD MD (m)
2926.080
TD TVDSS (m)
2901.086
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1982-06-03
TD Reached
1982-06-28
Completion Date
1982-07-02
Release Date
1986-07-02

Formation Tops (21)

Wellbore Formation Era MD (m) TVDSS (m) Provider
30/25a- 1A Horda Cenozoic 2215.000 2189.899 Lloyds Register
Stronsay Cenozoic 2215.000 2189.899 Lloyds Register
Balder Tuff Cenozoic 2606.000 2580.789 Lloyds Register
Moray Mesozoic 2606.000 2580.789 Lloyds Register
Balder Cenozoic 2606.000 2580.789 Lloyds Register
Sele Mesozoic 2621.000 2595.779 Lloyds Register
Montrose Mesozoic 2652.000 2626.755 Lloyds Register
Lista Mesozoic 2652.000 2626.755 Lloyds Register
Maureen Mesozoic 2694.000 2668.722 Lloyds Register
Ekofisk Mesozoic 2717.000 2691.705 Lloyds Register
Chalk Mesozoic 2717.000 2691.705 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2781.000 2755.650 Lloyds Register
Valhall Mesozoic 2836.000 2810.598 Lloyds Register
Cromer Knoll Mesozoic 2836.000 2810.598 Lloyds Register
Heron Palaeozoic 2840.000 2814.594 Lloyds Register
Smith Bank Mesozoic 2840.000 2814.594 Lloyds Register
Zechstein Palaeozoic 2870.000 2844.565 Lloyds Register
Halibut Carbonate Palaeozoic 2870.000 2844.565 Lloyds Register
Kupferschiefer Palaeozoic 2896.000 2870.541 Lloyds Register
Rotliegend 2897.000 2871.540 Lloyds Register
Auk 2897.000 2871.540 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
30/25a- 1A 8 12 1 16 21 2 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
30/25a- 1A 149.3520050048828 2925.775146484375 10 0 2026-08-06 14:02:54.0656+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
30/25a- 1A
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 2619.4512 2925.7752 2011
caliper CALI CGG Digital Well Logs 2619.6036 2925.4704 2008
comp_sonic DT CGG Digital Well Logs 160.3248 2914.8024 10102
deep_resistivity ILD CGG Digital Well Logs 160.782 2924.556 10239
density_correction DRHO CGG Digital Well Logs 2619.4512 2925.7752 2011
gamma_ray GR CGG Digital Well Logs 149.352 2917.2408 18163
gamma_ray GRD CGG Digital Well Logs 2619.7560000000003 2916.6312000000003 1949
med_resistivity ILM CGG Digital Well Logs 160.782 2925.6228 10246
neutron_por NPHI CGG Digital Well Logs 2619.4512 2919.5268 1970
pef PEF CGG Digital Well Logs 2619.4512 2925.7752 2011
shallow_resistivity SFLU CGG Digital Well Logs 160.4772 621.1824 3024

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
30/25a- 1A 12 2926.080 2900.592 D:\BigSpatial\nsta_raw\CGG_Deviation\30-25a-1A 4290t_CGG-Deviation.xlsx

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