Well Data Manager / Well Summary / 9/18b-A25

9/18b-A25

Present

Well Header

Well No
9/18b-A25
NSTA DEN No
12442
Well Name
--
Drill Seq No
25
Quadrant / Block
9 / 18 b
Surface Location
59.349762, 1.550666
Source Datum
ED50
Subsea Well
Yes
Platform
A
Slot No
P21
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
2005-05-12
Source File
nsta_feature_service
Imported
2026-05-22 15:28

Wellbores (1)

9/18b-A25 Original
Plugged View Log Interpreted Data Survey
Current Intent
Development
Original Intent
Development
Flow Class
Oil Well
Dev Type
Producer
Convention
--
Primary Target
G10
Well Seq
WB1
Datum Type
Rotary Table
Datum Elev (m)
32.309
Ground Elev (m)
--
Water Depth (m)
112.47
TD MD (m)
3158.338
TD TVDSS (m)
1714.500
TD Datum Depth (m)
32.309
TD Datum Type
Rotary Table
Spud Date
2005-05-12
TD Reached
2005-06-19
Completion Date
2005-06-27
Release Date
2009-06-27

Formation Tops (9)

Wellbore Formation Era MD (m) TVDSS (m) Provider
9/18b-A25 Unknown 145.000 112.691 BGS LithoStrat Upper
Nordland Cenozoic 213.000 180.690 BGS LithoStrat Upper
Lark Formation Cenozoic 713.000 679.081 BGS LithoStrat Upper
Grid Member 1046.000 976.852 BGS LithoStrat Upper
Horda Formation Cenozoic 1266.000 1129.558 BGS LithoStrat Upper
Frigg Sand Member 2391.000 1647.586 BGS LithoStrat Upper
Horda Formation Cenozoic 2419.000 1657.913 BGS LithoStrat Upper
B4 Zone 2484.000 1679.152 BGS LithoStrat Upper
B3 Unit 2553.000 1696.752 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
9/18b-A25 0 0 0 9 9 0 0 1 0 View

Hydrocarbon Occurrence (1)

Wellbore Category Code Formation / Litho Top MD (m) Base MD (m) Notes
9/18b-A25 Gas shows GS Frigg Sandstone Member 2390.5464 -- 28 m thick

Rock Samples (1)

Wellbore Sample Top MD (m) Base MD (m) Key Lab Results Comments Notes
9/18b-A25 Cuttings 835.15 3158.64 -- -- many packets empty

Wireline Log Inventory (Ingested Curves)

Wellbore Depth Start (m) Depth Stop (m) Typed Curves Auto-scaled Ingested
9/18b-A25 811.9871826171875 3149.041259765625 8 0 2026-08-06 15:59:40.050024+00 View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser
9/18b-A25
Curve Type Best Mnemonic Source Depth Start (m) Depth Stop (m) Samples
bulk_density LRHO Energective CorrectedLOGS 833.628 2791.5108 12848
bulk_density DEN OGA Batch Unzipped 833.4756 2791.3584 12848
caliper CALI OGA Batch Unzipped 811.9872 3122.8284000000003 15164
caliper CLD Energective CorrectedLOGS 811.9872 3122.8284000000003 15164
deep_resistivity RES_DEP OGA Batch Unzipped 827.3796000000001 3148.8888 15234
density_correction LDRH Energective CorrectedLOGS 826.9224 2791.5108 12892
density_correction DENC OGA Batch Unzipped 811.0728 2791.3584 12995
gamma_ray GRLW Energective CorrectedLOGS 821.436 3149.0412 15220
gamma_ray GR OGA Batch Unzipped 821.436 3149.0412 15220
med_resistivity RES_MED OGA Batch Unzipped 2773.8324000000002 3138.2208 2392
pef LPEF Energective CorrectedLOGS 833.628 2791.5108 12848
shallow_resistivity RES_SLW OGA Batch Unzipped 2773.8324000000002 3138.2208 2392
tvdss SS Energective CorrectedLOGS 811.9872 3149.1936 15337

Survey Inventory (Deviation)

Open full Survey detail
Wellbore Stations Max MD (m) Max TVDSS (m) Survey File
9/18b-A25 108 3164.738 1716.480 G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_18b-A25\WELL_PATH\WDD_QC\9_18b-A25_wdd_WDD_FILE_183298338_DATACO_MAPPED.csv

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