49/05a-B3

Decommissioned

Well Header

Well No
49/05a-B3
NSTA DEN No
5423
Well Name
--
Drill Seq No
3
Quadrant / Block
49 / 5 a
Surface Location
53.842266, 2.867765
Source Datum
ED50
Subsea Well
Unknown
Platform
B
Slot No
3
Operator
SPIRIT ENERGY NORTH SEA LIMITED
Original Operator
--
Sub Area Operator
SPIRIT ENERGY NORTH SEA LIMITED
Licence No
P455
Licence Type
Production
Spud Date
1995-01-19
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

49/05a-B3 Original
Current Intent
Development
Original Intent
Development
Flow Class
Gas Well
Dev Type
Producer
Convention
--
Primary Target
B
Well Seq
WB1
Datum Type
Mean Sea Level
Datum Elev (m)
0.000
Ground Elev (m)
--
Water Depth (m)
9.63
TD MD (m)
4779.874
TD TVDSS (m)
3566.770
TD Datum Depth (m)
0.000
TD Datum Type
Mean Sea Level
Spud Date
1995-01-19
TD Reached
1995-06-01
Completion Date
1995-06-04
Release Date
1999-06-04

Formation Tops (29)

Wellbore Formation Era MD (m) TVDSS (m) Provider
49/05a-B3 Unknown 80.000 80.000 BGS LithoStrat Upper
North Sea Group 395.000 395.000 BGS LithoStrat Upper
Danian Chalk Pre-Cambrian 1014.000 1014.000 BGS LithoStrat Upper
Chalk Mesozoic 1087.000 1087.000 BGS LithoStrat Upper
Red Chalk Mesozoic 2326.000 2326.000 BGS LithoStrat Upper
Speeton Clay 2428.000 2428.000 BGS LithoStrat Upper
Bunter Shale Mesozoic 2506.000 2506.000 BGS LithoStrat Upper
Brockelschiefer Member 2560.000 2560.000 BGS LithoStrat Upper
Sleights Siltstone Palaeozoic 2589.000 2589.000 BGS LithoStrat Upper
Grenzanhydrit Palaeozoic 2600.000 2600.000 BGS LithoStrat Upper
Aller Halite Palaeozoic 2605.000 2605.000 BGS LithoStrat Upper
Pegmatitanhydrit Palaeozoic 2614.000 2614.000 BGS LithoStrat Upper
Roter Salzton Palaeozoic 2616.000 2616.000 BGS LithoStrat Upper
Leine Potash 2632.000 2632.000 BGS LithoStrat Upper
Leine Halite Member Palaeozoic 2646.000 2646.000 BGS LithoStrat Upper
Hauptanhydrit Palaeozoic 2836.000 2836.000 BGS LithoStrat Upper
Leine Halite Member Palaeozoic 2842.000 2842.000 BGS LithoStrat Upper
Hauptanhydrit Palaeozoic 3034.000 3034.000 BGS LithoStrat Upper
Plattendolomit Palaeozoic 3078.000 3078.000 BGS LithoStrat Upper
Deckanhydrit 3085.000 3085.000 BGS LithoStrat Upper
Stassfurt Halite Palaeozoic 3086.000 3086.000 BGS LithoStrat Upper
Basalanhydrit Palaeozoic 4141.000 4141.000 BGS LithoStrat Upper
Hauptdolomit Palaeozoic 4198.000 4198.000 BGS LithoStrat Upper
Werraanhydrit Palaeozoic 4212.000 4212.000 BGS LithoStrat Upper
Zechsteinkalk Palaeozoic 4240.000 4240.000 BGS LithoStrat Upper
Kupferschiefer Palaeozoic 4246.000 4246.000 BGS LithoStrat Upper
Silverpit 4248.000 4248.000 BGS LithoStrat Upper
Leman Sandstone 4720.000 4720.000 BGS LithoStrat Upper
Coal Measures 4874.000 4874.000 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
49/05a-B3 0 0 0 29 29 0 0 1 0 View

Hydrocarbon Occurrence (2)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
49/05a-B3 Gas GW Leman Sandstone Formation 4720.0 -- 154 m thick
49/05a-B3 Gas GW Pennine Upper Coal Measures Formation 4874.5 -- 158 m thick

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
49/05a-B3 Cuttings 170.69 1532.84 -- -- --

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
49/05a-B3 0 -- -- --

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