Well Data Manager / Well Summary / 49/11a-A2

49/11a-A2

Decommissioned

Well Header

Well No
49/11a-A2
NSTA DEN No
3146
Well Name
--
Drill Seq No
2
Quadrant / Block
49 / 11 a
Surface Location
53.539627, 2.014432
Source Datum
ED50
Subsea Well
No
Platform
A
Slot No
10
Operator
SPIRIT ENERGY NORTH SEA LIMITED
Original Operator
--
Sub Area Operator
SPIRIT ENERGY NORTH SEA LIMITED
Licence No
P28
Licence Type
Production
Spud Date
1987-05-15
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (3)

49/11a-A2 Original
Abandoned Phase 3 Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Gas Well
Dev Type
Producer
Convention
--
Primary Target
F
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
37.490
Ground Elev (m)
--
Water Depth (m)
27.74
TD MD (m)
4011.171
TD TVDSS (m)
3001.366
TD Datum Depth (m)
37.490
TD Datum Type
Kelly Bushing
Spud Date
1987-05-15
TD Reached
1987-07-13
Completion Date
1987-07-21
Release Date
1991-07-21
49/11a-A2Y Sidetrack Y parent: 49/11a-A2Z
Abandoned Phase 3 Survey
Current Intent
Development
Original Intent
Development
Flow Class
--
Dev Type
--
Convention
Conventional
Primary Target
--
Well Seq
--
Datum Type
Rotary Table
Datum Elev (m)
42.062
Ground Elev (m)
--
Water Depth (m)
27.74
TD MD (m)
4881.982
TD TVDSS (m)
2910.840
TD Datum Depth (m)
--
TD Datum Type
--
Spud Date
1989-10-01
TD Reached
1989-10-23
Completion Date
1989-11-08
Release Date
1993-11-08
49/11a-A2Z Sidetrack Z parent: 49/11a-A2
Abandoned Phase 3 Survey
Current Intent
Development
Original Intent
Development
Flow Class
--
Dev Type
--
Convention
Conventional
Primary Target
--
Well Seq
--
Datum Type
Rotary Table
Datum Elev (m)
42.062
Ground Elev (m)
--
Water Depth (m)
27.74
TD MD (m)
5077.968
TD TVDSS (m)
2833.116
TD Datum Depth (m)
--
TD Datum Type
--
Spud Date
1989-08-25
TD Reached
1989-09-02
Completion Date
1989-10-01
Release Date
1993-10-01

Formation Tops (31)

Wellbore Formation Era MD (m) TVDSS (m) Provider
49/11a-A2 Unknown 65.000 27.510 BGS LithoStrat Upper
Unknown 149.000 111.510 BGS LithoStrat Upper
Unknown 344.000 306.510 BGS LithoStrat Upper
Lias Mesozoic 602.000 564.510 BGS LithoStrat Upper
Winterton 1126.000 1088.510 BGS LithoStrat Upper
Rhaetic Sandstone Member Mesozoic 1133.000 1095.510 BGS LithoStrat Upper
Winterton 1141.000 1103.510 BGS LithoStrat Upper
Triton Anhydrite Mesozoic 1155.000 1117.510 BGS LithoStrat Upper
Keuper Halite Member Mesozoic 1504.000 1466.510 BGS LithoStrat Upper
Dudgeon Saliferous 1612.000 1574.510 BGS LithoStrat Upper
Dowsing Dolomite 1717.000 1679.510 BGS LithoStrat Upper
Muschelkalk Halite Member Mesozoic 1881.000 1843.510 BGS LithoStrat Upper
Dowsing Dolomite 1975.000 1937.510 BGS LithoStrat Upper
Rot Halite Member 2209.000 2171.510 BGS LithoStrat Upper
Dowsing Dolomite 2327.000 2289.510 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 2341.000 2303.510 BGS LithoStrat Upper
Rogenstein Member Mesozoic 2727.000 2689.510 BGS LithoStrat Upper
Bunter Shale Mesozoic 2893.000 2855.510 BGS LithoStrat Upper
Brockelschiefer Member 3236.000 3198.510 BGS LithoStrat Upper
Zechstein Palaeozoic 3261.000 3223.510 BGS LithoStrat Upper
Hauptanhydrit Palaeozoic 3344.000 3306.510 BGS LithoStrat Upper
Plattendolomit Palaeozoic 3435.000 3397.510 BGS LithoStrat Upper
Grauer Salzton Palaeozoic 3472.000 3434.510 BGS LithoStrat Upper
Deckanhydrit 3475.000 3437.510 BGS LithoStrat Upper
Stassfurt Halite Palaeozoic 3477.000 3439.510 BGS LithoStrat Upper
Basalanhydrit Palaeozoic 3679.000 3641.510 BGS LithoStrat Upper
Hauptdolomit Palaeozoic 3682.000 3644.510 BGS LithoStrat Upper
Werraanhydrit Palaeozoic 3696.000 3658.510 BGS LithoStrat Upper
Kupferschiefer Palaeozoic 3730.000 3692.510 BGS LithoStrat Upper
Leman Sandstone 3731.000 3693.510 BGS LithoStrat Upper
Unknown 3997.000 3959.510 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-A2 0 0 0 31 31 0 2 1 0 View
49/11a-A2Y 0 0 0 0 0 0 0 0 0
49/11a-A2Z 0 0 0 0 0 0 0 0 0

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (3)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
49/11a-A2 Cuttings 234.7 4881.98 -- -- .
49/11a-A2 Core #1 3735.02 3776.53 -- -- .
49/11a-A2 Core #2 3776.81 3796.65 -- -- .

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-A2 0 -- -- --
49/11a-A2Y 0 -- -- --
49/11a-A2Z 0 -- -- --

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