Well Data Manager / Well Summary / 22/05a- 1

22/05a- 1

Decommissioned

Well Header

Well No
22/05a- 1
NSTA DEN No
1546
Well Name
--
Drill Seq No
1
Quadrant / Block
22 / 5 a
Surface Location
57.988101, 1.823698
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
CHRYSAOR NORTH SEA LIMITED
Original Operator
--
Sub Area Operator
CHRYSAOR NORTH SEA LIMITED
Licence No
P66
Licence Type
Production
Spud Date
1980-06-30
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

22/05a- 1 Original
Abandoned Phase 3 Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas and Condensate Well
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
89.92
TD MD (m)
255.118
TD TVDSS (m)
229.210
TD Datum Depth (m)
26.213
TD Datum Type
Kelly Bushing
Spud Date
1980-06-30
TD Reached
1980-07-07
Completion Date
1980-09-10
Release Date
1984-09-10
22/05a- 1A Sidetrack A parent: 22/05a- 1
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas and Condensate Well
Dev Type
--
Convention
--
Primary Target
--
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
89.92
TD MD (m)
3479.902
TD TVDSS (m)
3447.770
TD Datum Depth (m)
26.213
TD Datum Type
Kelly Bushing
Spud Date
1980-07-05
TD Reached
1980-09-10
Completion Date
1980-10-16
Release Date
1984-10-16

Formation Tops (23)

Wellbore Formation Era MD (m) TVDSS (m) Provider
22/05a- 1 Chalk Mesozoic 2897.000 2871.092 Ternan
22/05a- 1A Horda Cenozoic 2143.000 2114.881 Lloyds Register
Stronsay Cenozoic 2143.000 2114.881 Lloyds Register
Moray Mesozoic 2437.000 2408.657 Lloyds Register
Balder Cenozoic 2437.000 2408.657 Lloyds Register
Balder Tuff Cenozoic 2437.000 2408.657 Lloyds Register
Sele Mesozoic 2455.000 2426.654 Lloyds Register
Lista Mesozoic 2523.000 2494.614 Lloyds Register
Montrose Mesozoic 2523.000 2494.614 Lloyds Register
Maureen Mesozoic 2605.000 2576.449 Lloyds Register
Maureen Sandstone Mesozoic 2605.000 2576.449 Lloyds Register
Ekofisk Mesozoic 2640.000 2611.338 Lloyds Register
Chalk Mesozoic 2640.000 2611.338 Lloyds Register
Upper Cretaceous Chalk Mesozoic 2667.000 2638.224 Lloyds Register
Valhall Mesozoic 2950.000 2919.947 Lloyds Register
Cromer Knoll Mesozoic 2950.000 2919.947 Lloyds Register
Kimmeridge Clay 2969.000 2927.088 Lloyds Register
Humber Mesozoic 2969.000 2927.088 Lloyds Register
Fulmar Mesozoic 3021.000 2927.088 Lloyds Register
Fladen Mesozoic 3160.000 2927.088 Lloyds Register
Pentland Mesozoic 3160.000 2927.088 Lloyds Register
Zechstein Palaeozoic 3266.000 2927.088 Lloyds Register
Turbot Anhydrite Palaeozoic 3266.000 2927.088 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
22/05a- 1 0 0 0 9 1 0 0 0 0 View
22/05a- 1A 8 12 2 14 22 2 0 1 3 View

Hydrocarbon Occurrence (5)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
22/05a- 1 Oil shows OS PASD 2855.3664000000003 -- 42 m thick
22/05a- 1A Gas GC Fulmar Formation 3021.1776 -- 139 m thick
22/05a- 1A DST DST 3 -- 3023.6 3041.9 Label / Upper Jurassic
22/05a- 1A DST DST 2 -- 3090.7 3109.0 Not used for labelling, multiple DSTs in same play / Upper Jurassic
22/05a- 1A DST DST 1 -- 3176.0 3182.1 Label / Middle Jurassic

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
22/05a- 1A Cuttings 259.08 3477.77 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
22/05a- 1A 115.51920318603516 3459.937255859375 8 0 2026-08-06 11:54:20.061101+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
22/05a- 1A
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 1213.104 3457.6512000000002 14588
caliper CALI CGG Digital Well Logs 1213.104 3457.6512000000002 14729
comp_sonic DT CGG Digital Well Logs 713.3844 3459.0228 17632
deep_resistivity ILD CGG Digital Well Logs 715.2132 3459.7848000000004 18010
density_correction DRHO CGG Digital Well Logs 1213.104 3457.6512000000002 14588
gamma_ray GRD CGG Digital Well Logs 1205.4840000000002 3455.5176 14765
gamma_ray GR CGG Digital Well Logs 115.51920000000001 3459.6324 21944
med_resistivity ILM CGG Digital Well Logs 714.9084 3459.9372000000003 18013
neutron_por NPHI CGG Digital Well Logs 1205.6364 3458.2608 14782

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
22/05a- 1 0 -- -- --
22/05a- 1A 100 2957.170 2927.088 D:\BigSpatial\nsta_raw\CGG_Deviation\22-5a-1A 1110bv_CGG-Deviation.xlsx

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