Well Data Manager / Well Summary / 49/11a-A4

49/11a-A4

Decommissioned

Well Header

Well No
49/11a-A4
NSTA DEN No
3259
Well Name
--
Drill Seq No
4
Quadrant / Block
49 / 11 a
Surface Location
53.539644, 2.014368
Source Datum
ED50
Subsea Well
No
Platform
A
Slot No
5
Operator
SPIRIT ENERGY NORTH SEA LIMITED
Original Operator
--
Sub Area Operator
SPIRIT ENERGY NORTH SEA LIMITED
Licence No
P28
Licence Type
Production
Spud Date
1987-10-15
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

49/11a-A4 Original
Abandoned Phase 3 Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Gas Well
Dev Type
Producer
Convention
--
Primary Target
C
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
37.490
Ground Elev (m)
--
Water Depth (m)
27.74
TD MD (m)
3544.820
TD TVDSS (m)
2897.124
TD Datum Depth (m)
37.490
TD Datum Type
Kelly Bushing
Spud Date
1987-10-15
TD Reached
1987-11-09
Completion Date
1988-05-20
Release Date
1992-05-20

Formation Tops (28)

Wellbore Formation Era MD (m) TVDSS (m) Provider
49/11a-A4 Unknown 65.000 27.510 BGS LithoStrat Upper
Chalk Mesozoic 343.000 305.510 BGS LithoStrat Upper
Chalk Mesozoic 366.000 328.510 BGS LithoStrat Upper
Lias Mesozoic 546.000 508.510 BGS LithoStrat Upper
Keuper Anhydrite Member Mesozoic 1137.000 1099.510 BGS LithoStrat Upper
Triton Anhydrite Mesozoic 1253.000 1215.510 BGS LithoStrat Upper
Keuper Halite Member Mesozoic 1362.000 1324.510 BGS LithoStrat Upper
Dudgeon Saliferous 1539.000 1501.510 BGS LithoStrat Upper
Dowsing Dolomite 1573.000 1535.510 BGS LithoStrat Upper
Muschelkalk Halite Member Mesozoic 1653.000 1615.510 BGS LithoStrat Upper
Dowsing Dolomite 1692.000 1654.510 BGS LithoStrat Upper
Rot Halite Member 1881.000 1843.510 BGS LithoStrat Upper
Dowsing Dolomite 1964.000 1926.510 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 1975.000 1937.510 BGS LithoStrat Upper
Bunter Shale Mesozoic 2147.000 2109.510 BGS LithoStrat Upper
Zechstein Palaeozoic 2264.000 2226.510 BGS LithoStrat Upper
Hauptanhydrit Palaeozoic 2972.000 2934.510 BGS LithoStrat Upper
Plattendolomit Palaeozoic 3052.000 3014.510 BGS LithoStrat Upper
Grauer Salzton Palaeozoic 3085.000 3047.510 BGS LithoStrat Upper
Deckanhydrit 3087.000 3049.510 BGS LithoStrat Upper
Stassfurt Halite Palaeozoic 3089.000 3051.510 BGS LithoStrat Upper
Basalanhydrit Palaeozoic 3141.000 3103.510 BGS LithoStrat Upper
Hauptdolomit Palaeozoic 3144.000 3106.510 BGS LithoStrat Upper
Werraanhydrit Palaeozoic 3164.000 3126.510 BGS LithoStrat Upper
Zechsteinkalk Palaeozoic 3195.000 3157.510 BGS LithoStrat Upper
Kupferschiefer Palaeozoic 3202.000 3164.510 BGS LithoStrat Upper
Leman Sandstone 3203.000 3165.510 BGS LithoStrat Upper
Unknown 3486.000 3448.510 BGS LithoStrat Upper

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
49/11a-A4 0 0 0 28 28 0 3 1 0 View

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
49/11a-A4 Gas G Leman Sandstone Formation 3203.1432 -- 283 m thick

Rock Samples (4)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
49/11a-A4 Cuttings 371.86 3544.82 -- -- .
49/11a-A4 Core #1 3205.28 3259.78 -- -- preserved samples taken .
49/11a-A4 Core #2 3260.75 3333.9 -- -- .
49/11a-A4 Core #3 3333.9 3361.33 -- -- .

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
49/11a-A4 0 -- -- --

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