Well Data Manager / Well Summary / 42/29- 4

42/29- 4

Decommissioned

Well Header

Well No
42/29- 4
NSTA DEN No
2283
Well Name
--
Drill Seq No
4
Quadrant / Block
42 / 29
Surface Location
54.021256, 0.754514
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
PERENCO UK LIMITED
Original Operator
--
Sub Area Operator
PERENCO UK LIMITED
Licence No
P1
Licence Type
Production
Spud Date
1984-01-20
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

42/29- 4 Original parent: 42/29- 4J
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas Well
Dev Type
--
Convention
--
Primary Target
E
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
24.990
Ground Elev (m)
--
Water Depth (m)
50.80
TD MD (m)
3147.180
TD TVDSS (m)
3121.240
TD Datum Depth (m)
24.994
TD Datum Type
Kelly Bushing
Spud Date
1984-01-20
TD Reached
1984-02-21
Completion Date
1984-03-12
Release Date
1988-03-12
42/29- 4J Sidetrack J
Abandoned Phase 3 Survey
Current Intent
Appraisal
Original Intent
Appraisal
Flow Class
--
Dev Type
--
Convention
Conventional
Primary Target
--
Well Seq
--
Datum Type
Rotary Table
Datum Elev (m)
25.000
Ground Elev (m)
--
Water Depth (m)
50.80
TD MD (m)
1070.000
TD TVDSS (m)
--
TD Datum Depth (m)
--
TD Datum Type
--
Spud Date
1983-12-26
TD Reached
1984-01-16
Completion Date
1984-01-20
Release Date
1988-01-20

Formation Tops (33)

Wellbore Formation Era MD (m) TVDSS (m) Provider
42/29- 4 Unknown 76.000 51.010 BGS LithoStrat Upper
Chalk Mesozoic 83.000 58.010 BGS LithoStrat Upper
Chalk Mesozoic 89.000 64.010 BGS LithoStrat Upper
Chalk Mesozoic 210.000 185.007 BGS LithoStrat Upper
Red Chalk Mesozoic 509.000 483.955 BGS LithoStrat Upper
Speeton Clay 515.000 489.951 BGS LithoStrat Upper
West Sole Mesozoic 536.000 510.937 BGS LithoStrat Upper
Lias Mesozoic 625.000 599.880 BGS LithoStrat Upper
Triton Anhydrite Mesozoic 732.000 706.828 BGS LithoStrat Upper
Haisborough Mesozoic 732.000 706.828 BGS LithoStrat Upper
Dudgeon Saliferous 746.000 720.818 BGS LithoStrat Upper
Dowsing Dolomite 829.000 803.756 BGS LithoStrat Upper
Rot Halite Member 998.000 972.531 BGS LithoStrat Upper
Dowsing Dolomite 1051.000 998.455 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 1062.000 998.455 BGS LithoStrat Upper
Bunter Sandstone Mesozoic 1065.000 998.455 BGS LithoStrat Upper
Bunter Shale Mesozoic 1395.000 998.455 BGS LithoStrat Upper
Bunter Shale Mesozoic 1395.000 998.455 BGS LithoStrat Upper
Brockelschiefer Member 1772.000 998.455 BGS LithoStrat Upper
Zechstein Palaeozoic 1801.000 998.455 BGS LithoStrat Upper
Aller Evaporite Palaeozoic 1801.000 998.455 BGS LithoStrat Upper
Pegmatitanhydrit Palaeozoic 1902.000 998.455 BGS LithoStrat Upper
Roter Salzton Palaeozoic 1906.000 998.455 BGS LithoStrat Upper
Zechstein Z3 1917.000 998.455 BGS LithoStrat Upper
Basalanhydrit Palaeozoic 2668.000 998.455 BGS LithoStrat Upper
Hauptdolomit Palaeozoic 2674.000 998.455 BGS LithoStrat Upper
Werraanhydrit Palaeozoic 2696.000 998.455 BGS LithoStrat Upper
Zechsteinkalk Palaeozoic 2718.000 998.455 BGS LithoStrat Upper
Kupferschiefer Palaeozoic 2722.000 998.455 BGS LithoStrat Upper
Rotliegendes 2722.000 998.455 BGS LithoStrat Upper
Silverpit 2722.000 998.455 BGS LithoStrat Upper
Lower Leman Sandstone Member 2820.000 998.455 BGS LithoStrat Upper
Unknown 2925.000 998.455 BGS LithoStrat Upper

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
42/29- 4 8 4 0 27 33 2 6 1 2 View
42/29- 4J 0 0 0 0 0 0 0 0 0

Hydrocarbon Occurrence (3)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
42/29- 4 Gas G Leman Sandstone Formation 2819.7383280000004 -- 106 m thick
42/29- 4 DST DST 2 -- 2865.1 2874.0 Not used for labelling, multiple DSTs in same play / Rotliegend
42/29- 4 DST DST 1 -- 2880.1 2891.9 Label / Rotliegend

Rock Samples (17)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
42/29- 4 Cuttings 639.99 3147.97 -- -- including sidetrack 1035-1070 .
42/29- 4 Core #1 2817.97 2822.87 φ 18.2% (n=1) · Kh 35.0 mD (n=1) · Density 2.66 (n=1) · REDWOOD -- preserved samples taken .
42/29- 4 ↳ Plug CHA8 2819.75 -- φ 18.2% · Kh 35.0 mD · Density 2.66 · REDWOOD -- --
42/29- 4 Core #2 2832.17 2850.55 φ 15.9% (n=2) · Kh 51.5 mD (n=2) · Density 2.67 (n=2) · REDWOOD -- .
42/29- 4 ↳ Plug CHB56 2846.0 -- φ 15.0% · Kh 8.2 mD · Density 2.68 · REDWOOD -- --
42/29- 4 ↳ Plug 59 2846.75 -- φ 16.8% · Kh 94.7 mD · Density 2.67 · REDWOOD -- --
42/29- 4 Core #3 2850.55 2878.26 φ 24.3% (n=3) · Kh 1085.7 mD (n=3) · Density 2.66 (n=3) · REDWOOD -- .
42/29- 4 ↳ Plug CHC1 2850.75 -- φ 26.4% · Kh 514.0 mD · Density 2.66 · REDWOOD -- --
42/29- 4 ↳ Plug 45 2861.75 -- φ 18.5% · Kh 43.0 mD · Density 2.67 · REDWOOD -- --
42/29- 4 ↳ Plug 67 2867.25 -- φ 28.1% · Kh 2700.0 mD · Density 2.65 · REDWOOD -- --
42/29- 4 Core #4 2878.26 2904.56 φ 22.3% (n=2) · Kh 130.3 mD (n=2) · Density 2.65 (n=2) · REDWOOD -- .
42/29- 4 ↳ Plug CHD2 2878.5 -- φ 24.1% · Kh 168.0 mD · Density 2.65 · REDWOOD -- --
42/29- 4 ↳ Plug 96 2902.0 -- φ 20.5% · Kh 92.7 mD · Density 2.66 · REDWOOD -- --
42/29- 4 Core #5 2905.48 2929.07 φ 14.9% (n=2) · Kh 24.8 mD (n=2) · Density 2.67 (n=2) · REDWOOD -- .
42/29- 4 ↳ Plug CHE32 2913.25 -- φ 15.6% · Kh 7.0 mD · Density 2.66 · REDWOOD -- --
42/29- 4 ↳ Plug 50 2917.75 -- φ 14.3% · Kh 42.6 mD · Density 2.67 · REDWOOD -- --
42/29- 4 Core #6 2967.65 2979.42 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
42/29- 4 73.1520004272461 3153.765625 10 0 2026-08-06 14:07:04.760558+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
42/29- 4
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 2730.246 3145.8408 2728
caliper C1 CGG Digital Well Logs 628.0404 1468.6788 5517
caliper C2 CGG Digital Well Logs 627.888 1468.5264 5517
caliper CAL CGG Digital Well Logs 2799.7404 3142.6404 2251
caliper CALI CGG Digital Well Logs 627.888 3145.8408 16523
comp_sonic DT CGG Digital Well Logs 628.0404 3136.8492 16360
deep_resistivity ILD CGG Digital Well Logs 628.0404 3145.6884 16509
deep_resistivity LLD CGG Digital Well Logs 2799.588 3138.678 2226
density_correction DRHO CGG Digital Well Logs 2730.0936 3153.7656 2781
gamma_ray GR CGG Digital Well Logs 73.152 3144.9264 20157
gamma_ray GRD CGG Digital Well Logs 2715.3108 3140.0496 2788
micro_resistivity MSFL CGG Digital Well Logs 2799.588 3143.0976 2255
neutron_por NPHI CGG Digital Well Logs 2730.0936 3141.2688 2699
shallow_resistivity SFLU CGG Digital Well Logs 628.0404 3145.536 16492
shallow_resistivity LLS CGG Digital Well Logs 2799.588 3138.8304 2227
sp SPL CGG Digital Well Logs 2799.7404 3136.0872 2208
sp SP CGG Digital Well Logs 628.0404 3152.6988 16567

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
42/29- 4 33 1024.000 998.455 D:\BigSpatial\nsta_raw\CGG_Deviation\42-29-4 7604ae-CGG-deviation.xls
42/29- 4J 0 -- -- --

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