Well Data Manager / Well Summary / 29/05b- 4

29/05b- 4

Decommissioned

Well Header

Well No
29/05b- 4
NSTA DEN No
2703
Well Name
--
Drill Seq No
4
Quadrant / Block
29 / 5 b
Surface Location
56.953193, 1.893262
Source Datum
ED50
Subsea Well
No
Platform
--
Slot No
--
Operator
NEO NEXT+ ENERGY E&P UK LIMITED
Original Operator
--
Sub Area Operator
NEO NEXT+ ENERGY E&P UK LIMITED
Licence No
P362
Licence Type
Production
Spud Date
1985-06-20
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

29/05b- 4 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
--
Dev Type
--
Convention
Unconventional
Primary Target
--
Well Seq
--
Datum Type
Rotary Table
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
92.35
TD MD (m)
5461.711
TD TVDSS (m)
5433.767
TD Datum Depth (m)
--
TD Datum Type
--
Spud Date
1985-06-20
TD Reached
1985-09-09
Completion Date
1985-09-09
Release Date
1989-10-15
29/05b- 4Z Sidetrack Z parent: 29/05b- 4
Abandoned Phase 3 Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas and Condensate Well
Dev Type
--
Convention
--
Primary Target
D
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
25.908
Ground Elev (m)
--
Water Depth (m)
92.35
TD MD (m)
5465.060
TD TVDSS (m)
5437.120
TD Datum Depth (m)
25.908
TD Datum Type
Kelly Bushing
Spud Date
1985-09-09
TD Reached
1985-10-05
Completion Date
1985-10-15
Release Date
1989-10-15

Formation Tops (20)

Wellbore Formation Era MD (m) TVDSS (m) Provider
29/05b- 4 Horda Cenozoic 2768.000 2741.982 Lloyds Register
Stronsay Cenozoic 2768.000 2741.982 Lloyds Register
Balder Cenozoic 3082.000 3055.897 Lloyds Register
Balder Tuff Cenozoic 3082.000 3055.897 Lloyds Register
Moray Mesozoic 3082.000 3055.897 Lloyds Register
Sele Mesozoic 3116.000 3089.883 Lloyds Register
Lista Mesozoic 3181.000 3154.862 Lloyds Register
Montrose Mesozoic 3181.000 3154.862 Lloyds Register
Balmoral Sandstone Cenozoic 3260.000 3233.840 Lloyds Register
Maureen Mesozoic 3293.000 3266.832 Lloyds Register
Maureen Sandstone Mesozoic 3293.000 3266.832 Lloyds Register
Chalk Mesozoic 3388.000 3361.812 Lloyds Register
Ekofisk Mesozoic 3388.000 3361.812 Lloyds Register
Upper Cretaceous Chalk Mesozoic 3503.000 3476.779 Lloyds Register
Valhall Mesozoic 4932.000 4904.816 Lloyds Register
Cromer Knoll Mesozoic 4932.000 4904.816 Lloyds Register
Humber Mesozoic 4987.000 4959.764 Lloyds Register
Kimmeridge Clay 4987.000 4959.764 Lloyds Register
Heather Mesozoic 4999.000 4971.752 Lloyds Register
Fulmar Mesozoic 5205.000 5177.468 Lloyds Register

Lithology Intervals

29/05b- 4 Curve: SANDCOUNT 31 intervals  ·  MD 3259.684 – 5389.778 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...
Limestone (17)
LITH Sand (14)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log
Wellbore Groups Formations Members Strat Intervals Tops HC Occ Core Cuttings DSTs
29/05b- 4 6 11 3 28 20 1 0 1 0 View
29/05b- 4Z 0 0 0 0 0 0 0 0 0

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
29/05b- 4 Cuttings 205.74 5465.06 -- -- .

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
29/05b- 4 110.1852035522461 5474.2080078125 8 0 2026-08-06 12:37:28.0893+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
29/05b- 4
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density RHOB CGG Digital Well Logs 2735.1228 5474.2080000000005 17974
caliper CALI CGG Digital Well Logs 763.3716000000001 5474.055600000001 30871
comp_sonic DT CGG Digital Well Logs 764.2860000000001 5461.711200000001 30754
deep_resistivity ILD CGG Digital Well Logs 763.524 5472.3792 30899
density_correction DRHO CGG Digital Well Logs 2735.1228 5474.2080000000005 17974
gamma_ray GRD CGG Digital Well Logs 2715.768 5465.6736 18045
gamma_ray GR CGG Digital Well Logs 110.18520000000001 5465.064 35138
med_resistivity ILM CGG Digital Well Logs 763.524 5473.446 30906
neutron_por NPHI CGG Digital Well Logs 2735.1228 5469.026400000001 17921

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
29/05b- 4 178 5461.711 5433.679 D:\BigSpatial\nsta_raw\CGG_Deviation\29-5b-4 10453af_CGG-Deviation.xlsx
29/05b- 4Z 0 -- -- --

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