Well Data Manager / Well Summary / 49/12-A5

49/12-A5

Decommissioned

Well Header

Well No
49/12-A5
NSTA DEN No
323
Well Name
--
Drill Seq No
5
Quadrant / Block
49 / 12
Surface Location
53.533369, 2.254735
Source Datum
ED50
Subsea Well
No
Platform
A
Slot No
3
Operator
CHRYSAOR PRODUCTION (U.K.) LIMITED
Original Operator
--
Sub Area Operator
CHRYSAOR PRODUCTION (U.K.) LIMITED
Licence No
P33
Licence Type
Production
Spud Date
1971-01-22
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

49/12-A5 Original
Abandoned Phase 3 Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Gas Well
Dev Type
Producer
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
27.74
TD MD (m)
2855.060
TD TVDSS (m)
2823.880
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1971-01-22
TD Reached
1971-02-23
Completion Date
1971-03-01
Release Date
1975-03-01

Formation Tops (25)

Wellbore Formation Era MD (m) TVDSS (m) Provider
49/12-A5 Unknown 54.000 28.092 BGS LithoStrat Upper
Unknown 73.000 47.092 BGS LithoStrat Upper
Unknown 331.000 305.092 BGS LithoStrat Upper
Unknown 681.000 655.092 BGS LithoStrat Upper
Rhaetic Undifferentiated 867.000 841.092 BGS LithoStrat Upper
Upper Keuper Member 919.000 893.092 BGS LithoStrat Upper
1st Salt (Keuper) 1128.000 1102.092 BGS LithoStrat Upper
Lower Keuper Member 1192.000 1166.092 BGS LithoStrat Upper
Upper Muschelkalk Cenozoic 1323.000 1297.092 BGS LithoStrat Upper
2nd Salt (Muschelkalk) Palaeozoic 1387.000 1361.092 BGS LithoStrat Upper
Lower Muschelkalk Cenozoic 1454.000 1428.092 BGS LithoStrat Upper
Upper Bunter 1519.000 1493.092 BGS LithoStrat Upper
Rot Halite Member 1600.000 1574.092 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 1664.000 1638.092 BGS LithoStrat Upper
Lower Bunter 1917.000 1891.092 BGS LithoStrat Upper
Principal Oolite Zone 1998.000 1972.092 BGS LithoStrat Upper
Lower Bunter Shale Member Mesozoic 2038.000 2012.092 BGS LithoStrat Upper
Basal Bunter Siltstone 2248.000 2222.092 BGS LithoStrat Upper
Zechstein Z4 2275.000 2249.092 BGS LithoStrat Upper
Upper Magnesian Limestone 2488.000 2462.092 BGS LithoStrat Upper
Zechstein Z2 2529.000 2503.092 BGS LithoStrat Upper
Lower Magnesian Limestone Palaeozoic 2635.000 2609.092 BGS LithoStrat Upper
Zechstein Z1 2652.000 2626.092 BGS LithoStrat Upper
Rotliegendes 2687.000 2661.092 BGS LithoStrat Upper
Unknown 2838.000 2812.092 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
49/12-A5 0 0 0 25 25 0 0 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
49/12-A5 Cuttings 64.01 2843.78 -- -- (formerly 2 records) .

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
49/12-A5 0 -- -- --

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