Well Data Manager / Well Summary / 9/05a- 4

9/05a- 4

Decommissioned

Well Header

Well No
9/05a- 4
NSTA DEN No
13262
Well Name
--
Drill Seq No
4
Quadrant / Block
9 / 5 a
Surface Location
59.853898, 1.870557
Source Datum
ED50
Subsea Well
Unknown
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
P194
Licence Type
Production
Spud Date
2005-09-09
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

9/05a- 4 Original
Abandoned Phase 3 View Log Interpreted Data Survey
Current Intent
Exploration
Original Intent
Exploration
Flow Class
Gas Show
Dev Type
--
Convention
--
Primary Target
DEA
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
46.300
Ground Elev (m)
--
Water Depth (m)
101.70
TD MD (m)
5489.000
TD TVDSS (m)
5421.800
TD Datum Depth (m)
47.100
TD Datum Type
Rotary Table
Spud Date
2005-09-09
TD Reached
2006-02-24
Completion Date
2006-04-05
Release Date
2010-04-05

Formation Tops (17)

Wellbore Formation Era MD (m) TVDSS (m) Provider
9/05a- 4 Unknown 148.000 101.700 BGS LithoStrat Upper
Nordland Cenozoic 225.000 178.700 BGS LithoStrat Upper
Horda Formation Cenozoic 1228.000 1181.700 BGS LithoStrat Upper
Balder Cenozoic 2206.000 2159.700 BGS LithoStrat Upper
Lista Mesozoic 2252.000 2205.700 BGS LithoStrat Upper
Heimdal 2346.000 2299.700 BGS LithoStrat Upper
Ekofisk Mesozoic 2762.000 2715.700 BGS LithoStrat Upper
Flounder Mesozoic 3088.000 3041.700 BGS LithoStrat Upper
Herring Mesozoic 3802.000 3755.700 BGS LithoStrat Upper
Hidra Mesozoic 3990.000 3943.700 BGS LithoStrat Upper
Rodby Mesozoic 4350.000 4303.700 BGS LithoStrat Upper
Valhall Mesozoic 4466.000 4419.700 BGS LithoStrat Upper
Kimmeridge Clay 4627.000 4580.700 BGS LithoStrat Upper
Heather Mesozoic 4928.000 4881.700 BGS LithoStrat Upper
Unknown 5096.000 5049.700 BGS LithoStrat Upper
Unknown 5150.000 5103.700 BGS LithoStrat Upper
Unknown 5264.000 5217.700 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
9/05a- 4 0 0 0 17 17 0 0 0 0 View

Hydrocarbon Occurrence (2)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
9/05a- 4 Oil shows OS VALH 4466.0 -- 161 m thick
9/05a- 4 Gas shows GCS * 5264.0 -- 225 m thick

Rock Samples (0)

No cuttings, core, or plug samples recorded for this well.

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
9/05a- 4 1177.45751953125 5468.26416015625 10 0 2026-08-08 01:53:15.858194+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
9/05a- 4
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density ZDEN CGG Digital Well Logs 4903.6224 5468.2644 3704
bulk_density ZDNC CGG Digital Well Logs 4903.6224 5468.2644 3704
cable_tension TNS Energective CorrectedLOGS 4878.020510640001 5459.4134652 5815
caliper CALX CGG Digital Well Logs 5216.1948 5461.5588 1611
caliper CLD Energective CorrectedLOGS 4848.52086936 5450.51354904 6021
comp_sonic DTC Energective CorrectedLOGS 4870.42062744 5440.2136864799995 5613
deep_resistivity AT90 Energective CorrectedLOGS 4903.62020544 5445.9136293599995 5424
deep_resistivity RESD CGG Digital Well Logs 2851.5564 5424.5256 16762
density_correction ZCOR CGG Digital Well Logs 4903.6224 5468.2644 3704
gamma_ray GR CGG Digital Well Logs 4.1148 5452.872 35754
gamma_ray GRI Energective CorrectedLOGS 4857.22077576 5438.51369496 5813
gamma_ray GRLW Energective CorrectedLOGS 1177.46553432 4271.42791128 30145
gamma_ray CGR Energective CorrectedLOGS 4865.1206736 5437.91372664 5729
med_resistivity AT20 Energective CorrectedLOGS 4903.92022008 5452.0135308 5482
med_resistivity AT60 Energective CorrectedLOGS 4904.32020912 5451.113547840001 5469
med_resistivity AT30 Energective CorrectedLOGS 4903.92022008 5451.913556400001 5481
neutron_por NEU CGG Digital Well Logs 4450.842 5414.6196 6267
pef PE CGG Digital Well Logs 4903.6224 5468.2644 3704
potassium K CGG Digital Well Logs 4852.416 5445.0996 3890
rate_of_penetration ROP Energective CorrectedLOGS 1213.06510752 4288.02771552 29514
shallow_resistivity RESS CGG Digital Well Logs 2851.5564 5424.5256 16762
shallow_resistivity AT10 Energective CorrectedLOGS 4900.120248 5453.51351256 5535
thorium TH CGG Digital Well Logs 4852.416 5445.0996 3890
tvdss SS Energective CorrectedLOGS 1172.5656000000001 5459.613444480001 42872

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
9/05a- 4 0 -- -- --

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