21/10-B31

Present

Well Header

Well No
21/10-B31
NSTA DEN No
6273
Well Name
--
Drill Seq No
31
Quadrant / Block
21 / 10
Surface Location
57.748662, 0.913464
Source Datum
ED50
Subsea Well
No
Platform
B
Slot No
6-3
Operator
APACHE NORTH SEA LIMITED
Original Operator
--
Sub Area Operator
APACHE NORTH SEA LIMITED
Licence No
P246
Licence Type
Production
Spud Date
1997-11-22
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (3)

21/10-B31 Original parent: 21/10-B11
Current Intent
Development
Original Intent
Development
Flow Class
Dry Hole
Dev Type
Producer
Convention
--
Primary Target
--
Well Seq
WB2
Datum Type
Kelly Bushing
Datum Elev (m)
44.199
Ground Elev (m)
--
Water Depth (m)
123.00
TD MD (m)
3131.000
TD TVDSS (m)
2119.560
TD Datum Depth (m)
44.199
TD Datum Type
Kelly Bushing
Spud Date
1997-11-22
TD Reached
1997-12-08
Completion Date
1998-01-29
Release Date
2002-01-29
21/10-B31Y Sidetrack Y parent: 21/10-B31Z
Completed (Operating) Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
T87
Well Seq
WB4
Datum Type
Kelly Bushing
Datum Elev (m)
44.200
Ground Elev (m)
--
Water Depth (m)
123.00
TD MD (m)
3138.000
TD TVDSS (m)
2253.000
TD Datum Depth (m)
44.200
TD Datum Type
Rotary Table
Spud Date
2007-06-18
TD Reached
2007-06-27
Completion Date
2007-07-23
Release Date
2011-07-23
21/10-B31Z Sidetrack Z parent: 21/10-B31
Abandoned Phase 1 Survey
Current Intent
Development
Original Intent
Development
Flow Class
Unknown
Dev Type
Producer
Convention
--
Primary Target
--
Well Seq
WB3
Datum Type
Kelly Bushing
Datum Elev (m)
44.200
Ground Elev (m)
--
Water Depth (m)
123.00
TD MD (m)
2835.000
TD TVDSS (m)
1961.490
TD Datum Depth (m)
44.200
TD Datum Type
Rotary Table
Spud Date
1997-12-28
TD Reached
1998-01-16
Completion Date
1998-01-29
Release Date
2002-01-29

Formation Tops (18)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/10-B31 Unknown 166.000 121.801 BGS LithoStrat Upper
Hordaland Cenozoic 2300.000 2255.801 BGS LithoStrat Upper
Red Brown Marker 3070.000 3025.801 BGS LithoStrat Upper
Balder Cenozoic 3080.000 3035.801 BGS LithoStrat Upper
21/10-B31Y Unknown 166.000 121.800 BGS LithoStrat Upper
Nordland Cenozoic 830.000 785.800 BGS LithoStrat Upper
Hordaland Cenozoic 1316.000 1271.800 BGS LithoStrat Upper
Brimmond Sandstone 2655.000 2610.800 BGS LithoStrat Upper
Hordaland Cenozoic 2662.000 2617.800 BGS LithoStrat Upper
Red Brown Marker 2830.000 2785.800 BGS LithoStrat Upper
Balder Cenozoic 2845.000 2800.800 BGS LithoStrat Upper
Sele Mesozoic 2898.000 2853.800 BGS LithoStrat Upper
Sele Ash Marker 2928.000 2883.800 BGS LithoStrat Upper
Forties Sandstone Member Mesozoic 2949.000 2904.800 BGS LithoStrat Upper
Alpha Channel Complex 2951.000 2906.800 BGS LithoStrat Upper
Delta Echo Channel Complex 2984.000 2939.800 BGS LithoStrat Upper
Forties Charlie Shale 3047.000 3002.800 BGS LithoStrat Upper
Forties Upper Main Sandstone 3054.000 3009.800 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
21/10-B31 0 0 0 4 4 0 0 1 0 View
21/10-B31Y 0 0 0 14 14 0 0 0 0 View
21/10-B31Z 0 0 0 0 0 0 0 0 0

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
21/10-B31 Cuttings 1340.0 3131.0 -- -- wet samples in as 21/10-B31(FB 6-3 ST) curated Jan'98 to fill gap

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
21/10-B31 0 -- -- --
21/10-B31Y 0 -- -- --
21/10-B31Z 0 -- -- --

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