9/18b-A21

Present

Well Header

Well No
9/18b-A21
NSTA DEN No
6894
Well Name
--
Drill Seq No
21
Quadrant / Block
9 / 18 b
Surface Location
59.350569, 1.551115
Source Datum
ED50
Subsea Well
Yes
Platform
A
Slot No
P10
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
P496
Licence Type
Production
Spud Date
2000-06-27
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (2)

9/18b-A21 Original
Abandoned Phase 2 View Log Survey
Current Intent
Development
Original Intent
Development
Flow Class
Unknown
Dev Type
Producer
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Kelly Bushing
Datum Elev (m)
25.298
Ground Elev (m)
--
Water Depth (m)
112.78
TD MD (m)
2523.140
TD TVDSS (m)
1645.628
TD Datum Depth (m)
25.298
TD Datum Type
Rotary Table
Spud Date
2000-06-27
TD Reached
2000-07-06
Completion Date
2000-07-06
Release Date
2004-07-06
9/18b-A21A Sidetrack A parent: 9/18b-A21
Current Intent
Development
Original Intent
Development
Flow Class
Gas and Oil Well
Dev Type
Producer
Convention
--
Primary Target
A
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
25.298
Ground Elev (m)
--
Water Depth (m)
112.78
TD MD (m)
2523.130
TD TVDSS (m)
1732.630
TD Datum Depth (m)
25.298
TD Datum Type
Rotary Table
Spud Date
2000-07-06
TD Reached
2000-08-09
Completion Date
2000-09-26
Release Date
2004-09-26

Formation Tops (0)

No formation tops ingested for this well.

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
9/18b-A21 0 0 0 0 0 0 0 0 0
9/18b-A21A 0 0 0 0 0 0 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
9/18b-A21A Cuttings 1014.98 2511.55 -- -- --

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
9/18b-A21 995.6292114257812 2518.105224609375 6 0 2026-08-06 15:59:30.500715+00 View Log
9/18b-A21A 995.7816162109375 2517.800537109375 6 0 2026-08-06 15:59:31.685749+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
9/18b-A21
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density LRHO Energective CorrectedLOGS 1007.364 2022.1956 6660
deep_resistivity RES_DEP OGA Batch Unzipped 990.9048 2517.8004 9986
density_correction LDRH Energective CorrectedLOGS 999.1344 2022.1956 6714
gamma_ray GRLW Energective CorrectedLOGS 995.6292000000001 2518.1052 9987
med_resistivity RES_MED OGA Batch Unzipped 990.9048 2517.8004 9986
neutron_por NEU OGA Batch Unzipped 990.9048 2020.3668 6756
neutron_por LTNP Energective CorrectedLOGS 1003.2492000000001 2020.3668 6663
rate_of_penetration ROP Energective CorrectedLOGS 996.696 2036.826 6738
tvdss SS Energective CorrectedLOGS 995.4768 2518.2576 9993
9/18b-A21A
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density DEN OGA Batch Unzipped 996.696 2022.0432 6729
bulk_density LRHO Energective CorrectedLOGS 1007.8212000000001 2022.0432 6656
caliper CALI OGA Batch Unzipped 1737.3600000000001 2517.4956 5033
deep_resistivity RES_DEP OGA Batch Unzipped 996.696 2517.8004 9893
density_correction DENC OGA Batch Unzipped 996.696 2022.0432 6729
density_correction LDRH Energective CorrectedLOGS 1006.7544 2021.8908000000001 6662
gamma_ray GRLW Energective CorrectedLOGS 995.7816 2517.8004 9988
gamma_ray GR OGA Batch Unzipped 996.696 2518.1052 9984
neutron_por LTNP Energective CorrectedLOGS 1006.7544 2020.3668 6385
neutron_por NEU OGA Batch Unzipped 996.696 2020.2144 6717
tvdss SS Energective CorrectedLOGS 995.7816 2518.2576 9991

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
9/18b-A21 191 2523.134 1707.404 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_18b-A21\WELL_PATH\WDD_QC\9_18b-A21_wdd_WDD_FILE_183303619_DATACO_MAPPED.csv
9/18b-A21A 0 -- -- --

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