Well Data Manager / Well Summary / 21/01a- 23

21/01a- 23

Present

Well Header

Well No
21/01a- 23
NSTA DEN No
12722
Well Name
--
Drill Seq No
23
Quadrant / Block
21 / 1 a
Surface Location
57.995148, 0.194109
Source Datum
ED50
Subsea Well
Yes
Platform
--
Slot No
--
Operator
NEO NEXT + ENERGY RESOURCES UK LIMITED
Original Operator
--
Sub Area Operator
NEO NEXT + ENERGY RESOURCES UK LIMITED
Licence No
P241
Licence Type
Production
Spud Date
2005-06-17
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

21/01a- 23 Original
Completed (Shut In) Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Injector
Convention
--
Primary Target
TWI
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
24.994
Ground Elev (m)
--
Water Depth (m)
135.94
TD MD (m)
5135.880
TD TVDSS (m)
4569.380
TD Datum Depth (m)
24.994
TD Datum Type
Rotary Table
Spud Date
2005-06-17
TD Reached
2005-07-31
Completion Date
2005-08-10
Release Date
2009-08-10

Formation Tops (26)

Wellbore Formation Era MD (m) TVDSS (m) Provider
21/01a- 23 Unknown 161.000 136.006 BGS LithoStrat Upper
Nordland Cenozoic 853.000 828.006 BGS LithoStrat Upper
Balder Cenozoic 1524.000 1499.006 BGS LithoStrat Upper
Lista Mesozoic 1871.000 1846.006 BGS LithoStrat Upper
Lista Mesozoic 1904.000 1879.006 BGS LithoStrat Upper
Upper Andrew Sandstone Unit Cenozoic 2149.000 2124.006 BGS LithoStrat Upper
Lower Andrew Sandstone Unit Cenozoic 2224.000 2199.006 BGS LithoStrat Upper
Maureen Mesozoic 2315.000 2290.006 BGS LithoStrat Upper
Ekofisk Mesozoic 2479.000 2454.006 BGS LithoStrat Upper
Tor Mesozoic 2535.000 2510.006 BGS LithoStrat Upper
Flounder Mesozoic 2737.000 2712.006 BGS LithoStrat Upper
Herring Mesozoic 3179.000 3154.006 BGS LithoStrat Upper
Plenus Marl 3258.000 3233.006 BGS LithoStrat Upper
Hidra Mesozoic 3265.000 3240.006 BGS LithoStrat Upper
Rodby Mesozoic 3355.000 3330.006 BGS LithoStrat Upper
Carrack Formation Mesozoic 3499.000 3474.006 BGS LithoStrat Upper
Britannia Sandstone Upper Pre-Cambrian 3527.000 3502.006 BGS LithoStrat Upper
Carrack Formation Mesozoic 3622.000 3597.006 BGS LithoStrat Upper
Valhall Mesozoic 3635.000 3610.006 BGS LithoStrat Upper
Britannia Sandstone Lower Palaeozoic 3642.000 3617.006 BGS LithoStrat Upper
Valhall Mesozoic 3677.000 3652.006 BGS LithoStrat Upper
Utvik Formation 4573.000 4548.006 BGS LithoStrat Upper
Kimmeridge Clay 4628.000 4603.006 BGS LithoStrat Upper
Burns Sand Member 4792.000 4767.006 BGS LithoStrat Upper
Kimmeridge Clay 4923.000 4898.006 BGS LithoStrat Upper
Heather Mesozoic 5023.000 4998.006 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
21/01a- 23 0 0 0 26 26 0 1 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (2)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
21/01a- 23 Cuttings 883.92 5135.88 -- -- set E wet samples
21/01a- 23 Core #1 4789.93 4806.09 -- -- --

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
21/01a- 23 0 -- -- --

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