Well Data Manager / Well Summary / 211/23-A20

211/23-A20

Present

Well Header

Well No
211/23-A20
NSTA DEN No
1845
Well Name
--
Drill Seq No
20
Quadrant / Block
211 / 23
Surface Location
61.274002, 1.595978
Source Datum
ED50
Subsea Well
No
Platform
A
Slot No
DA44
Operator
FAIRFIELD BETULA LIMITED
Original Operator
--
Sub Area Operator
FAIRFIELD BETULA LIMITED
Licence No
P232
Licence Type
Production
Spud Date
1982-07-25
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (5)

211/23-A20 Original parent: 211/23-A20L
Abandoned Phase 2 Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
48.768
Ground Elev (m)
--
Water Depth (m)
150.88
TD MD (m)
4958.182
TD TVDSS (m)
--
TD Datum Depth (m)
48.768
TD Datum Type
Kelly Bushing
Spud Date
1982-07-25
TD Reached
1982-07-30
Completion Date
1982-08-05
Release Date
1986-08-05
211/23-A20J Sidetrack J
Abandoned Phase 2 Survey
Current Intent
Development
Original Intent
Development
Flow Class
--
Dev Type
Producer
Convention
Conventional
Primary Target
--
Well Seq
--
Datum Type
Rotary Table
Datum Elev (m)
48.768
Ground Elev (m)
--
Water Depth (m)
150.88
TD MD (m)
2468.880
TD TVDSS (m)
1638.605
TD Datum Depth (m)
--
TD Datum Type
--
Spud Date
1982-01-11
TD Reached
1982-01-30
Completion Date
1982-02-10
Release Date
1986-02-10
211/23-A20K Sidetrack K parent: 211/23-A20J
Abandoned Phase 2 Survey
Current Intent
Development
Original Intent
Development
Flow Class
--
Dev Type
Producer
Convention
--
Primary Target
--
Well Seq
--
Datum Type
Rotary Table
Datum Elev (m)
48.768
Ground Elev (m)
--
Water Depth (m)
150.88
TD MD (m)
3048.914
TD TVDSS (m)
1982.114
TD Datum Depth (m)
--
TD Datum Type
--
Spud Date
1982-02-10
TD Reached
1982-02-21
Completion Date
1982-02-27
Release Date
1986-02-27
211/23-A20L Sidetrack L parent: 211/23-A20K
Abandoned Phase 2 Survey
Current Intent
Development
Original Intent
Development
Flow Class
--
Dev Type
Producer
Convention
Conventional
Primary Target
--
Well Seq
--
Datum Type
Rotary Table
Datum Elev (m)
48.768
Ground Elev (m)
--
Water Depth (m)
150.88
TD MD (m)
5109.972
TD TVDSS (m)
2960.218
TD Datum Depth (m)
--
TD Datum Type
--
Spud Date
1982-02-27
TD Reached
1982-07-15
Completion Date
1982-07-25
Release Date
1986-07-25
211/23-A20Z Sidetrack Z parent: 211/23-A20K
Abandoned Phase 2 View Log Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Injector
Convention
--
Primary Target
--
Well Seq
WB2
Datum Type
Kelly Bushing
Datum Elev (m)
48.768
Ground Elev (m)
--
Water Depth (m)
150.88
TD MD (m)
4559.808
TD TVDSS (m)
2830.958
TD Datum Depth (m)
48.768
TD Datum Type
Kelly Bushing
Spud Date
1987-01-17
TD Reached
1987-02-09
Completion Date
1987-02-23
Release Date
1991-02-23

Formation Tops (24)

Wellbore Formation Era MD (m) TVDSS (m) Provider
211/23-A20 Unknown 151.000 102.232 BGS LithoStrat Upper
Cromer Knoll Mesozoic 4578.000 4529.232 BGS LithoStrat Upper
Kimmeridge Clay 4724.000 4675.232 BGS LithoStrat Upper
Heather Mesozoic 4751.000 4702.232 BGS LithoStrat Upper
Tarbert Mesozoic 4767.000 4718.232 BGS LithoStrat Upper
Ness Mesozoic 4772.000 4723.232 BGS LithoStrat Upper
Etive Mesozoic 4844.000 4795.232 BGS LithoStrat Upper
Rannoch Mesozoic 4871.000 4822.232 BGS LithoStrat Upper
Broom Mesozoic 4935.000 4886.232 BGS LithoStrat Upper
Drake Mesozoic 4949.000 4900.232 BGS LithoStrat Upper
211/23-A20Z Unknown 200.000 151.232 BGS LithoStrat Upper
Alwyn Marl Formation 4267.000 4218.232 BGS LithoStrat Upper
Kimmeridge Clay 4275.000 4226.232 BGS LithoStrat Upper
Heather Mesozoic 4368.000 4319.232 BGS LithoStrat Upper
Tarbert Mesozoic 4371.000 4322.232 BGS LithoStrat Upper
Upper Ness Member Mesozoic 4381.000 4332.232 BGS LithoStrat Upper
Mid Ness Shale 4416.000 4367.232 BGS LithoStrat Upper
Lower Ness Member Mesozoic 4422.000 4373.232 BGS LithoStrat Upper
Etive Mesozoic 4429.000 4380.232 BGS LithoStrat Upper
Rannoch A/A2 4449.000 4400.232 BGS LithoStrat Upper
Rannoch B 4467.000 4418.232 BGS LithoStrat Upper
Broom Mesozoic 4471.000 4422.232 BGS LithoStrat Upper
Drake Mesozoic 4475.000 4426.232 BGS LithoStrat Upper
Cook Mesozoic 4506.000 4457.232 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
211/23-A20 0 0 0 10 10 0 2 0 0 View
211/23-A20J 0 0 0 0 0 0 0 0 0
211/23-A20K 0 0 0 0 0 0 0 0 0
211/23-A20L 0 0 0 0 0 0 0 0 0
211/23-A20Z 0 0 0 14 14 0 0 0 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
211/23-A20 Core #1 4812.18 4830.93 -- -- sidetrack 2 .
211/23-A20 Core #2 4831.69 4851.44 -- -- side track 2 .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
211/23-A20Z 4212.3359375 4566.513671875 8 0 2026-08-06 11:21:30.191041+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
211/23-A20Z
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density CDEN Energective CorrectedLOGS 4213.5552 4566.5136 2317
caliper CLD Energective CorrectedLOGS 4213.5552 4558.131600000001 2262
comp_sonic DTC Energective CorrectedLOGS 4212.336 4548.225600000001 2205
deep_resistivity ILD Energective CorrectedLOGS 4212.336 4556.1504 2257
density_correction CDRH Energective CorrectedLOGS 4213.5552 4564.38 2303
gamma_ray GRI Energective CorrectedLOGS 4212.336 4554.0168 2243
neutron_por CNEU Energective CorrectedLOGS 4213.5552 4560.1128 2275
tvdss SS Energective CorrectedLOGS 4212.336 4566.8184 2327
vshale VSGR Energective CorrectedLOGS 4213.098 4553.8644 2237
vshale VSH Energective CorrectedLOGS 4213.098 4553.8644 2237

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
211/23-A20 0 -- -- --
211/23-A20J 0 -- -- --
211/23-A20K 0 -- -- --
211/23-A20L 0 -- -- --
211/23-A20Z 0 -- -- --

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