Well Data Manager / Well Summary / 23/26b- 8

23/26b- 8

Present

Well Header

Well No
23/26b- 8
NSTA DEN No
3159
Well Name
--
Drill Seq No
8
Quadrant / Block
23 / 26 b
Surface Location
57.028650, 2.061263
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
ITHACA ENERGY (UK) LIMITED
Original Operator
--
Sub Area Operator
ITHACA ENERGY (UK) LIMITED
Licence No
P264
Licence Type
Production
Spud Date
1987-06-12
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

23/26b- 8 Original
Abandoned Phase 1 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas and Condensate Well
Dev Type
--
Convention
--
Primary Target
E
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
26.213
Ground Elev (m)
--
Water Depth (m)
91.44
TD MD (m)
4900.270
TD TVDSS (m)
4874.057
TD Datum Depth (m)
26.213
TD Datum Type
Kelly Bushing
Spud Date
1987-06-12
TD Reached
1987-11-24
Completion Date
1988-03-08
Release Date
1992-03-08

Formation Tops (17)

Wellbore Formation Era MD (m) TVDSS (m) Provider
23/26b- 8 Balder Cenozoic 3073.000 3045.408 Lloyds Register
Moray Mesozoic 3073.000 3045.408 Lloyds Register
Balder Tuff Cenozoic 3076.000 3048.408 Lloyds Register
Sele Mesozoic 3088.000 3060.407 Lloyds Register
Forties Sandstone Mesozoic 3103.000 3075.407 Lloyds Register
Montrose Mesozoic 3239.000 3211.406 Lloyds Register
Lista Mesozoic 3300.000 3272.406 Lloyds Register
Maureen Mesozoic 3381.000 3353.403 Lloyds Register
Chalk Mesozoic 3431.000 3403.401 Lloyds Register
Ekofisk Mesozoic 3431.000 3403.401 Lloyds Register
Upper Cretaceous Chalk Mesozoic 3526.000 3498.397 Lloyds Register
Kimmeridge Clay 4539.000 4511.300 Lloyds Register
Humber Mesozoic 4539.000 4511.300 Lloyds Register
Fulmar Mesozoic 4600.000 4572.292 Lloyds Register
Heather Mesozoic 4681.000 4653.274 Lloyds Register
Fladen Mesozoic 4719.000 4691.262 Lloyds Register
Pentland Mesozoic 4719.000 4691.262 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
23/26b- 8 5 10 2 24 17 2 0 1 3 View

Hydrocarbon Occurrence (8)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
23/26b- 8 DST DST 3 -- 4296.2 4626.0 Not used for labelling, multiple DSTs in same play / Upper Jurassic
23/26b- 8 DST DST 2B -- 4354.7 4681.1 Label / Upper Jurassic
23/26b- 8 Oil shows OS Hod Formation [Norwegian Classification - reserved for possible future use] 4486.656 -- 52 m thick
23/26b- 8 Mixed OG Fulmar Formation 4599.736800000001 -- 81 m thick
23/26b- 8 Mixed OG * 4681.1184 -- 37 m thick
23/26b- 8 Oil shows OS * 4718.6088 -- 18 m thick
23/26b- 8 Mixed OG * 4736.8968 -- 53 m thick
23/26b- 8 DST DST 1 -- 4736.9 4780.5 Label / Middle Jurassic

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
23/26b- 8 Cuttings 783.34 4916.42 -- -- WET SAMPLES THROUGHOUT .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
23/26b- 8 111.86160278320312 4924.95849609375 9 0 2026-08-06 12:27:06.340351+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
23/26b- 8
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 4144.518 4924.8060000000005 5121
caliper CALI CGG Digital Well Logs 759.1044 4924.9584 27306
comp_sonic DT CGG Digital Well Logs 758.952 4913.9856 27265
deep_resistivity ILD CGG Digital Well Logs 759.1044 4924.044 27330
deep_resistivity IDPH CGG Digital Well Logs 4599.432 4914.900000000001 2071
density_correction DRHO CGG Digital Well Logs 4144.518 4924.8060000000005 5121
gamma_ray GR CGG Digital Well Logs 111.86160000000001 4914.900000000001 31517
gamma_ray SGR CGG Digital Well Logs 4137.8124 4916.1192 5108
gamma_ray CGR CGG Digital Well Logs 4137.8124 4915.9668 5107
med_resistivity IMPH CGG Digital Well Logs 4599.8892000000005 4915.0524000000005 2069
med_resistivity ILM CGG Digital Well Logs 758.952 4924.1964 27332
neutron_por NPHI CGG Digital Well Logs 4140.2508 4919.624400000001 5115
pef PEF CGG Digital Well Logs 4144.518 4924.8060000000005 5064
potassium POTA CGG Digital Well Logs 4137.8124 4915.8144 5106
thorium THOR CGG Digital Well Logs 4137.8124 4916.1192 5108
uranium URAN CGG Digital Well Logs 4137.8124 4915.8144 5106

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
23/26b- 8 164 4916.730 4888.909 D:\BigSpatial\nsta_raw\CGG_Deviation\23-26b-8 5581fg_CGG-Deviation.xlsx

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