42/23- 1

Decommissioned

Well Header

Well No
42/23- 1
NSTA DEN No
12
Well Name
--
Drill Seq No
1
Quadrant / Block
42 / 23
Surface Location
54.263568, 0.575837
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
BRITOIL (NINIAN) LIMITED
Original Operator
--
Sub Area Operator
BRITOIL (NINIAN) LIMITED
Licence No
P4
Licence Type
Production
Spud Date
1966-01-26
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

42/23- 1 Original
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas Show
Dev Type
--
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
28.956
Ground Elev (m)
--
Water Depth (m)
107.90
TD MD (m)
2932.176
TD TVDSS (m)
0.000
TD Datum Depth (m)
28.956
TD Datum Type
Kelly Bushing
Spud Date
1966-01-26
TD Reached
1966-06-20
Completion Date
1966-07-15
Release Date
1970-07-15

Formation Tops (23)

Wellbore Formation Era MD (m) TVDSS (m) Provider
42/23- 1 Unknown 90.000 61.044 BGS LithoStrat Upper
Corallian Palaeozoic 180.000 151.044 BGS LithoStrat Upper
Corallian Palaeozoic 238.000 209.044 BGS LithoStrat Upper
Unknown 262.000 233.044 BGS LithoStrat Upper
Upper Lias 319.000 290.044 BGS LithoStrat Upper
Middle Lias 357.000 328.044 BGS LithoStrat Upper
Lower Lias 418.000 389.044 BGS LithoStrat Upper
Haisborough Mesozoic 754.000 725.044 BGS LithoStrat Upper
Rhaetic Undifferentiated 754.000 725.044 BGS LithoStrat Upper
Keuper Marl 770.000 741.044 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 1247.000 1218.044 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 1247.000 1218.044 BGS LithoStrat Upper
Bunter Shale Mesozoic 1433.000 1404.044 BGS LithoStrat Upper
Saliferous Marls 1433.000 1404.044 BGS LithoStrat Upper
Upper Evaporite 1822.000 1793.044 BGS LithoStrat Upper
Zechstein Palaeozoic 1822.000 1793.044 BGS LithoStrat Upper
Upper Magnesian Limestone 2051.000 2022.044 BGS LithoStrat Upper
Lower Evaporite 2083.000 2054.044 BGS LithoStrat Upper
Lower Marls 2770.000 2741.044 BGS LithoStrat Upper
Rotliegendes 2827.000 2798.044 BGS LithoStrat Upper
Kupferschiefer Palaeozoic 2827.000 2798.044 BGS LithoStrat Upper
Rotliegendes 2831.000 2802.044 BGS LithoStrat Upper
Unknown 2924.000 2895.044 BGS LithoStrat Upper

Lithology Intervals

42/23- 1 Curve: SANDCOUNT 91 intervals  ·  MD 240.944 – 2932.938 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/LR_SNS/San...
Sand (40)
Anhydrite (34)
Halite (12)
Limestone (5)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
42/23- 1 7 1 0 18 23 7 0 1 10 View

Hydrocarbon Occurrence (10)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
42/23- 1 DST DST 10 -- 2767.6 2801.1 Not used for labelling, multiple DSTs in same play / Zechstein
42/23- 1 DST DST 9 -- 2768.8 2820.6 Not used for labelling, multiple DSTs in same play / Zechstein
42/23- 1 DST DST 8 -- 2768.8 2820.6 Label / Zechstein
42/23- 1 DST DST 7 -- 2907.8 2924.3 Not used for labelling, multiple DSTs in same play / Rotliegend
42/23- 1 DST DST 6 -- 2907.8 2924.3 Not used for labelling, multiple DSTs in same play / Rotliegend
42/23- 1 DST DST 5 -- 2918.8 2924.3 Not used for labelling, multiple DSTs in same play / Rotliegend
42/23- 1 DST DST 1 -- 2923.0 2924.3 Label / Rotliegend
42/23- 1 DST DST 2 -- 2923.1 2924.3 Not used for labelling, multiple DSTs in same play / Rotliegend
42/23- 1 DST DST 3 -- 2923.1 2924.3 Not used for labelling, multiple DSTs in same play / Rotliegend
42/23- 1 DST DST 4 -- 2923.1 2924.3 Not used for labelling, multiple DSTs in same play / Rotliegend

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
42/23- 1 Cuttings 249.94 2958.69 -- -- various intervals .

Wireline Log Inventory (Ingested Curves)

No wireline log curves ingested for this well.

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

No scanned LAS source files matched to this well.

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
42/23- 1 0 -- -- --

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