49/11a-B1

Decommissioned

Well Header

Well No
49/11a-B1
NSTA DEN No
5464
Well Name
--
Drill Seq No
1
Quadrant / Block
49 / 11 a
Surface Location
53.508469, 2.168514
Source Datum
ED50
Subsea Well
Unknown
Platform
B
Slot No
6
Operator
SPIRIT ENERGY NORTH SEA LIMITED
Original Operator
--
Sub Area Operator
SPIRIT ENERGY NORTH SEA LIMITED
Licence No
P28
Licence Type
Production
Spud Date
1995-03-02
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (4)

49/11a-B1 Original
Current Intent
Development
Original Intent
Development
Flow Class
Gas Well
Dev Type
Producer
Convention
--
Primary Target
L
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
35.050
Ground Elev (m)
--
Water Depth (m)
26.82
TD MD (m)
3327.502
TD TVDSS (m)
2760.878
TD Datum Depth (m)
34.138
TD Datum Type
Kelly Bushing
Spud Date
1995-03-02
TD Reached
1995-03-12
Completion Date
1995-03-13
Release Date
1999-03-13
49/11a-B1X Sidetrack X parent: 49/11a-B1Y
Current Intent
Development
Original Intent
Development
Flow Class
Gas Well
Dev Type
Producer
Convention
--
Primary Target
O
Well Seq
WB4
Datum Type
Kelly Bushing
Datum Elev (m)
36.580
Ground Elev (m)
--
Water Depth (m)
26.82
TD MD (m)
3557.630
TD TVDSS (m)
2803.550
TD Datum Depth (m)
34.138
TD Datum Type
Kelly Bushing
Spud Date
1995-09-06
TD Reached
1995-09-30
Completion Date
2000-06-18
Release Date
2004-06-18
49/11a-B1Y Sidetrack Y parent: 49/11a-B1Z
Current Intent
Development
Original Intent
Development
Flow Class
Gas Well
Dev Type
Producer
Convention
--
Primary Target
G
Well Seq
WB3
Datum Type
Kelly Bushing
Datum Elev (m)
35.050
Ground Elev (m)
--
Water Depth (m)
26.82
TD MD (m)
3792.626
TD TVDSS (m)
2703.576
TD Datum Depth (m)
34.138
TD Datum Type
Kelly Bushing
Spud Date
1995-08-21
TD Reached
1995-09-05
Completion Date
2000-06-18
Release Date
2004-06-18
49/11a-B1Z Sidetrack Z parent: 49/11a-B1
Current Intent
Development
Original Intent
Development
Flow Class
Gas Well
Dev Type
Producer
Convention
--
Primary Target
BL
Well Seq
WB2
Datum Type
Kelly Bushing
Datum Elev (m)
35.050
Ground Elev (m)
--
Water Depth (m)
26.82
TD MD (m)
3774.030
TD TVDSS (m)
2786.177
TD Datum Depth (m)
34.138
TD Datum Type
Kelly Bushing
Spud Date
1995-06-25
TD Reached
1995-07-26
Completion Date
2000-06-18
Release Date
2004-06-18

Formation Tops (0)

No formation tops ingested for this well.

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-B1 0 0 0 0 0 0 0 1 0 View
49/11a-B1X 0 0 0 0 0 0 0 1 0 View
49/11a-B1Y 0 0 0 0 0 0 0 1 0 View
49/11a-B1Z 0 0 0 0 0 0 0 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (4)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
49/11a-B1 Cuttings 292.61 3325.37 -- -- set D
49/11a-B1X Cuttings 2910.84 3557.63 -- -- --
49/11a-B1Y Cuttings 2883.41 3791.71 -- -- --
49/11a-B1Z Cuttings 3038.86 3774.03 -- -- --

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-B1 0 -- -- --
49/11a-B1X 0 -- -- --
49/11a-B1Y 0 -- -- --
49/11a-B1Z 0 -- -- --

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