Well Data Manager / Well Summary / 23/21- 3

23/21- 3

Decommissioned

Well Header

Well No
23/21- 3
NSTA DEN No
2311
Well Name
--
Drill Seq No
3
Quadrant / Block
23 / 21
Surface Location
57.289549, 2.170220
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
15
Operator
CHRYSAOR LIMITED
Original Operator
--
Sub Area Operator
CHRYSAOR LIMITED
Licence No
P101
Licence Type
Production
Spud Date
1984-02-10
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

23/21- 3 Original
Abandoned Phase 3 Interpreted Data Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
--
Dev Type
--
Convention
--
Primary Target
C
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
27.432
Ground Elev (m)
--
Water Depth (m)
83.52
TD MD (m)
1452.067
TD TVDSS (m)
1314.654
TD Datum Depth (m)
27.432
TD Datum Type
Kelly Bushing
Spud Date
1984-02-10
TD Reached
1984-02-25
Completion Date
1984-03-10
Release Date
1988-03-10
23/21- 3A Sidetrack A parent: 23/21- 3
Abandoned Phase 2 View Log Interpreted Data Survey
Current Intent
Development
Original Intent
Appraisal
Flow Class
Gas Well
Dev Type
Producer
Convention
--
Primary Target
C
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
27.432
Ground Elev (m)
--
Water Depth (m)
86.26
TD MD (m)
3310.128
TD TVDSS (m)
2990.146
TD Datum Depth (m)
27.432
TD Datum Type
Kelly Bushing
Spud Date
1984-03-14
TD Reached
1984-04-21
Completion Date
1984-05-16
Release Date
1988-05-16

Formation Tops (18)

Wellbore Formation Era MD (m) TVDSS (m) Provider
23/21- 3 Unknown 111.000 83.568 BGS LithoStrat Upper
Nordland Cenozoic 207.000 179.568 BGS LithoStrat Upper
Nordland Cenozoic 482.000 454.568 BGS LithoStrat Upper
Nordland Cenozoic 875.000 847.568 BGS LithoStrat Upper
Nordland Cenozoic 1452.000 1424.568 BGS LithoStrat Upper
23/21- 3A Balder Cenozoic 2833.000 2550.216 Lloyds Register
Balder Tuff Cenozoic 2833.000 2550.216 Lloyds Register
Moray Mesozoic 2833.000 2550.216 Lloyds Register
Sele Mesozoic 2853.000 2568.345 Lloyds Register
Forties Sandstone Mesozoic 2882.000 2594.767 Lloyds Register
Lista Mesozoic 2944.000 2651.507 Lloyds Register
Montrose Mesozoic 2944.000 2651.507 Lloyds Register
Balmoral Sandstone Cenozoic 2959.000 2665.269 Lloyds Register
Maureen Mesozoic 3125.000 2817.805 Lloyds Register
Maureen Sandstone Mesozoic 3125.000 2817.805 Lloyds Register
Ekofisk Mesozoic 3162.000 2851.844 Lloyds Register
Chalk Mesozoic 3162.000 2851.844 Lloyds Register
Upper Cretaceous Chalk Mesozoic 3267.000 2949.223 Lloyds Register

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
23/21- 3 0 0 0 4 5 1 0 1 0 View
23/21- 3A 3 6 4 14 13 1 0 0 3 View

Hydrocarbon Occurrence (4)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
23/21- 3A Gas GW Forties Sandstone Member 2882.4936000000002 -- 62 m thick
23/21- 3A DST DST 3 -- 2895.0 2938.9 Label / Forties
23/21- 3A DST DST 2 -- 3029.7 3041.9 Label / Balmoral
23/21- 3A DST DST 1 -- 3148.6 3160.8 Label / Maureen

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
23/21- 3 Cuttings 207.26 1450.85 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
23/21- 3A 106.37519836425781 3312.56640625 9 0 2026-08-06 12:21:40.876483+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
23/21- 3A
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 2860.8528 3312.5664 2965
caliper CALI CGG Digital Well Logs 2860.5480000000002 3312.5664 2967
comp_sonic DT CGG Digital Well Logs 606.8568 3302.3556000000003 17335
deep_resistivity ILD CGG Digital Well Logs 607.1616 3312.2616000000003 17673
density_correction DRHO CGG Digital Well Logs 2860.8528 3312.5664 2965
gamma_ray SGR CGG Digital Well Logs 2857.1952 3304.3368 2935
gamma_ray CGR CGG Digital Well Logs 2857.1952 3304.1844 2934
gamma_ray GR CGG Digital Well Logs 106.3752 3310.4328 21025
med_resistivity ILM CGG Digital Well Logs 607.0092000000001 3312.5664 17679
neutron_por NPHI CGG Digital Well Logs 2861.6148000000003 3307.5372 2927
pef PEF CGG Digital Well Logs 2860.2432000000003 3312.5664 2969
potassium POTA CGG Digital Well Logs 2857.1952 3304.1844 2934
thorium THOR CGG Digital Well Logs 2857.1952 3304.032 2933
uranium URAN CGG Digital Well Logs 2857.1952 3304.032 2933

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
23/21- 3 0 -- -- --
23/21- 3A 94 3313.176 2992.372 D:\BigSpatial\nsta_raw\CGG_Deviation\23-21-3A 1128bm_CGG-Deviation.xlsx

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