22/25a- 1

Decommissioned

Well Header

Well No
22/25a- 1
NSTA DEN No
3004
Well Name
--
Drill Seq No
1
Quadrant / Block
22 / 25 a
Surface Location
57.219930, 1.920382
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
NEO NEXT+ ENERGY E&P NORTH SEA UK LIMITED
Original Operator
--
Sub Area Operator
NEO NEXT+ ENERGY E&P NORTH SEA UK LIMITED
Licence No
P111
Licence Type
Production
Spud Date
1986-08-19
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

22/25a- 1 Original
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Oil Show
Dev Type
--
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
89.00
TD MD (m)
4929.710
TD TVDSS (m)
4903.622
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1986-08-19
TD Reached
1986-12-15
Completion Date
1987-02-09
Release Date
1991-02-09

Formation Tops (20)

Wellbore Formation Era MD (m) TVDSS (m) Provider
22/25a- 1 Horda Cenozoic 2692.000 2665.886 Lloyds Register
Stronsay Cenozoic 2692.000 2665.886 Lloyds Register
Balder Tuff Cenozoic 3038.000 3011.831 Lloyds Register
Balder Cenozoic 3038.000 3011.831 Lloyds Register
Moray Mesozoic 3039.000 3012.831 Lloyds Register
Sele Mesozoic 3060.000 3033.829 Lloyds Register
Forties Sandstone Mesozoic 3082.000 3055.828 Lloyds Register
Montrose Mesozoic 3185.000 3158.820 Lloyds Register
Lista Mesozoic 3185.000 3158.820 Lloyds Register
Balmoral Sandstone Cenozoic 3192.000 3165.820 Lloyds Register
Maureen Mesozoic 3279.000 3252.817 Lloyds Register
Chalk Mesozoic 3411.000 3384.814 Lloyds Register
Ekofisk Mesozoic 3411.000 3384.814 Lloyds Register
Upper Cretaceous Chalk Mesozoic 3496.000 3469.812 Lloyds Register
Cromer Knoll Mesozoic 4436.000 4409.685 Lloyds Register
Lower Cretaceous Undifferentiated Mesozoic 4436.000 4409.685 Lloyds Register
Humber Mesozoic 4574.000 4547.549 Lloyds Register
Kimmeridge Clay 4574.000 4547.549 Lloyds Register
Fladen Mesozoic 4855.000 4828.201 Lloyds Register
Pentland Mesozoic 4855.000 4828.201 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
22/25a- 1 7 10 3 16 20 3 0 1 0 View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
22/25a- 1 Cuttings 619.99 4933.95 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
22/25a- 1 547.5731811523438 4577.333984375 9 0 2026-08-06 12:11:04.556482+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
22/25a- 1
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 3425.6472 4477.0548 6900
caliper CAL CGG Digital Well Logs 1531.62 4560.2652 19841
caliper CALI CGG Digital Well Logs 3425.6472 4477.0548 6900
comp_sonic DT CGG Digital Well Logs 1531.7724 4561.0272 19878
deep_resistivity ILD CGG Digital Well Logs 1531.62 4576.2672 19979
density_correction DRHO CGG Digital Well Logs 3425.6472 4477.0548 6900
gamma_ray SGR CGG Digital Well Logs 3396.996 4468.0632 7029
gamma_ray CGR CGG Digital Well Logs 3396.996 4468.0632 7029
gamma_ray GRI CGG Digital Well Logs 547.5732 4569.1044 26389
med_resistivity ILM CGG Digital Well Logs 1531.62 4577.334 19986
neutron_por NPHI CGG Digital Well Logs 3396.996 4471.1112 7049
pef PEF CGG Digital Well Logs 3425.6472 4477.0548 6900
potassium POTA CGG Digital Well Logs 3396.996 4468.0632 7029
rate_of_penetration ROP CGG Digital Well Logs 4579.9248 4934.712 2291
thorium THOR CGG Digital Well Logs 3396.996 4468.0632 7029
uranium URAN CGG Digital Well Logs 3396.996 4468.0632 7029

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
22/25a- 1 24 4935.000 4908.099 D:\BigSpatial\nsta_raw\CGG_Deviation\22-25a-1 5635ba_CGG-Deviation.xlsx

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