21/10-A40

Present

Well Header

Well No
21/10-A40
NSTA DEN No
11778
Well Name
--
Drill Seq No
40
Quadrant / Block
21 / 10
Surface Location
57.731475, 0.971219
Source Datum
ED50
Subsea Well
No
Platform
A
Slot No
2-1
Operator
--
Original Operator
--
Sub Area Operator
APACHE NORTH SEA LIMITED
Licence No
P246
Licence Type
Production
Spud Date
2004-12-28
Source File
UKCS_Wells_ConvtoWGS84.shp
Imported
2026-05-22 15:28

Wellbores (1)

21/10-A40 Sidetrack R parent: 21/10-A35
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
T57
Well Seq
WB3
Datum Type
Kelly Bushing
Datum Elev (m)
44.200
Ground Elev (m)
--
Water Depth (m)
105.80
TD MD (m)
2856.860
TD TVDSS (m)
2436.190
TD Datum Depth (m)
44.200
TD Datum Type
Rotary Table
Spud Date
2004-12-28
TD Reached
2005-01-17
Completion Date
2005-02-02
Release Date
2009-02-02

Formation Tops (13)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/10-A40 Unknown 150.000 105.800 BGS LithoStrat Upper
Unknown 1036.000 991.800 BGS LithoStrat Upper
Unknown 1050.000 1005.800 BGS LithoStrat Upper
Nordland Cenozoic 1055.000 1010.800 BGS LithoStrat Upper
Hordaland Cenozoic 1283.000 1238.800 BGS LithoStrat Upper
Balder Cenozoic 2386.000 2341.800 BGS LithoStrat Upper
Sele Mesozoic 2424.000 2379.800 BGS LithoStrat Upper
Sele Ash Marker 2443.000 2398.800 BGS LithoStrat Upper
Forties Mesozoic 2458.000 2413.800 BGS LithoStrat Upper
Forties Sandstone Member Mesozoic 2512.000 2467.800 BGS LithoStrat Upper
Lista Mesozoic 2655.000 2610.800 BGS LithoStrat Upper
Maureen Mesozoic 2717.000 2672.800 BGS LithoStrat Upper
Ekofisk Mesozoic 2824.000 2779.800 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-A40 0 0 0 13 13 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
21/10-A40 Cuttings 1110.0 2856.68 -- -- --

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-A40 0 -- -- --

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