22/30a- 1

Decommissioned

Well Header

Well No
22/30a- 1
NSTA DEN No
2340
Well Name
--
Drill Seq No
1
Quadrant / Block
22 / 30 a
Surface Location
57.076052, 1.861778
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
SHELL U.K. LIMITED
Original Operator
--
Sub Area Operator
SHELL U.K. LIMITED
Licence No
P12
Licence Type
Production
Spud Date
1984-03-18
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

22/30a- 1 Original
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Dry Hole
Dev Type
--
Convention
--
Primary Target
C
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
27.432
Ground Elev (m)
--
Water Depth (m)
94.49
TD MD (m)
5158.435
TD TVDSS (m)
0.000
TD Datum Depth (m)
27.432
TD Datum Type
Kelly Bushing
Spud Date
1984-03-18
TD Reached
1984-07-16
Completion Date
1984-08-01
Release Date
1988-08-01

Formation Tops (22)

Wellbore Formation Era MD (m) TVDSS (m) Provider
22/30a- 1 Horda Cenozoic 2887.000 2859.295 Lloyds Register
Lower Tay Sandstone 2887.000 2859.295 Lloyds Register
Stronsay Cenozoic 2887.000 2859.295 Lloyds Register
Balder Tuff Cenozoic 2954.000 2926.292 Lloyds Register
Balder Cenozoic 2954.000 2926.292 Lloyds Register
Moray Mesozoic 2954.000 2926.292 Lloyds Register
Sele Mesozoic 2969.000 2941.291 Lloyds Register
Cromarty Sandstone Cenozoic 2980.000 2952.290 Lloyds Register
Forties Sandstone Mesozoic 3007.000 2979.287 Lloyds Register
Lista Mesozoic 3143.000 3115.269 Lloyds Register
Montrose Mesozoic 3143.000 3115.269 Lloyds Register
Maureen Mesozoic 3221.000 3193.264 Lloyds Register
Chalk Mesozoic 3253.000 3225.262 Lloyds Register
Ekofisk Mesozoic 3253.000 3225.262 Lloyds Register
Upper Cretaceous Chalk Mesozoic 3444.000 3416.240 Lloyds Register
Cromer Knoll Mesozoic 4460.000 4431.854 Lloyds Register
Valhall Mesozoic 4460.000 4431.854 Lloyds Register
Humber Mesozoic 4525.000 4496.767 Lloyds Register
Kimmeridge Clay 4525.000 4496.767 Lloyds Register
Fulmar Mesozoic 4618.000 4589.566 Lloyds Register
Fladen Mesozoic 4716.000 4687.353 Lloyds Register
Pentland Mesozoic 4716.000 4687.353 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
22/30a- 1 7 11 4 23 22 4 5 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (14)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
22/30a- 1 Cuttings 231.65 5181.6 -- -- .
22/30a- 1 Core #1 2905.96 2924.25 φ 21.8% (n=8) · Kh 15.9 mD (n=3) · CORE LABS -- part rubble .
22/30a- 1 ↳ Plug 1 2906.603 -- φ 23.4% · CORE LABS -- --
22/30a- 1 ↳ Plug 2 2907.853 -- φ 21.1% · CORE LABS -- --
22/30a- 1 ↳ Plug 5 2911.541 -- φ 14.3% · CORE LABS -- --
22/30a- 1 ↳ Plug 6 2912.455 -- φ 16.6% · CORE LABS -- --
22/30a- 1 ↳ Plug 9 2917.546 -- φ 23.8% · CORE LABS -- --
22/30a- 1 ↳ Plug 11 2921.203 -- φ 26.4% · Kh 1.9 mD · CORE LABS -- --
22/30a- 1 ↳ Plug 12 2922.819 -- φ 21.1% · Kh 45.0 mD · CORE LABS -- --
22/30a- 1 ↳ Plug 13 2923.337 -- φ 27.8% · Kh 0.9 mD · CORE LABS -- --
22/30a- 1 Core #2 2924.25 2942.23 -- -- .
22/30a- 1 Core #3 2942.23 2969.67 -- -- .
22/30a- 1 Core #4 3258.92 3273.03 -- -- .
22/30a- 1 Core #5 4648.5 4668.62 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
22/30a- 1 104.39399719238281 5188.4580078125 7 0 2026-08-08 01:25:13.787416+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
22/30a- 1
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN CGG Digital Well Logs 2697.6324 5185.2576 16306
bulk_density DENS LR Petrophysical Mid Jur/CNS 2697.6324 5185.2576 16324
caliper CAL CGG Digital Well Logs 2698.5468 5184.9528 16316
caliper CALI LR Petrophysical Mid Jur/CNS 2697.3276 5185.2576 16326
comp_sonic AC CGG Digital Well Logs 215.34120000000001 5182.8192 32180
comp_sonic DTC LR Petrophysical Mid Jur/CNS 215.7984 5182.0572 32366
deep_resistivity RDEP LR Petrophysical Mid Jur/CNS 215.1888 5188.458 32460
density_correction CORR CGG Digital Well Logs 2698.242 5185.2576 16300
gamma_ray GR LR Petrophysical Mid Jur/CNS 104.394 5175.1992 33122
gamma_ray GRI CGG Digital Well Logs 106.68 5180.2284 33141
neutron_por CN CGG Digital Well Logs 2697.6324 5180.990400000001 16270
neutron_por NEUT LR Petrophysical Mid Jur/CNS 2686.3548 5182.8192 16382
potassium K CGG Digital Well Logs 3245.9676 4451.4516 7911
thorium TH CGG Digital Well Logs 3246.1200000000003 4451.4516 7910

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
22/30a- 1 149 5185.867 5155.599 D:\BigSpatial\nsta_raw\CGG_Deviation\22-30a-1 6571bj_CGG-Deviation.xlsx

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