Well Data Manager / Well Summary / 16/08b-A5

16/08b-A5

Decommissioned

Well Header

Well No

16/08b-A5

NSTA DEN No

4094

Well Name

Drill Seq No

Quadrant / Block

16 / 8 b

Surface Location

58.721547, 1.400418

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

BP EXPLORATION (ALPHA) LIMITED

Original Operator

Sub Area Operator

CHRYSAOR PRODUCTION (U.K.) LIMITED

Licence No

P341

Licence Type

Production

Spud Date

1989-08-07

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

16/08b-A5 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Development

Original Intent

Development

Flow Class

Oil Well

Dev Type

Injector

Convention

Primary Target

Well Seq

WB1

Datum Type

Rotary Table

Datum Elev (m)

67.970

Ground Elev (m)

Water Depth (m)

102.41

TD MD (m)

6368.280

TD TVDSS (m)

4206.290

TD Datum Depth (m)

25.900

TD Datum Type

Rotary Table

Spud Date

1989-08-07

TD Reached

1989-10-12

Completion Date

1989-10-28

Release Date

1993-10-28

Formation Tops (9)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
16/08b-A5	Valhall	Mesozoic	5900.000	3762.528	BGS LithoStrat Upper
	Utvik Formation		5928.000	3779.958	BGS LithoStrat Upper
	Kimmeridge Clay		5980.000	3811.716	BGS LithoStrat Upper
	Unit J		6076.000	3868.988	BGS LithoStrat Upper
	Unit K		6105.000	3886.152	BGS LithoStrat Upper
	Unit L		6155.000	3915.622	BGS LithoStrat Upper
	Unit M		6187.000	3934.236	BGS LithoStrat Upper
	Unit M		6226.000	3956.609	BGS LithoStrat Upper
	Brae Unit D		6287.000	3990.892	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
16/08b-A5	0	0	0	9	9	0	0	0	0	View

Hydrocarbon Occurrence (2)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
16/08b-A5	Oil shows	OS	Kimmeridge Clay Formation	5980.291824000001	--	96 m thick
16/08b-A5	Oil shows	OS	JBRF	6076.2977280000005	--	29 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
16/08b-A5	5918.1494140625	6315.7607421875	10	0	2026-08-06 09:03:43.974341+00	View Log

Source LAS Manifest (Best Curve per Type)

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16/08b-A5

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	DEN	OGA Batch Unzipped	6023.00000376	6098.999994	381
bulk_density	CDEN	Energective CorrectedLOGS	6021.9336	6298.2348	1814
cable_tension	TENS	OGA Batch Unzipped	6013.99999128	6314.00000088	1501
caliper	CLD	Energective CorrectedLOGS	6021.9336	6296.1012	1800
caliper	CALI	OGA Batch Unzipped	6020.999997600001	6296.99999424	1381
comp_sonic	DTC	Energective CorrectedLOGS	6021.9336	6303.7212	1850
comp_sonic	DT	OGA Batch Unzipped	6023.00000376	6304.999988400001	1411
deep_resistivity	ILD	Energective CorrectedLOGS	6086.094	6311.798400000001	1482
deep_resistivity	RES_DEP	OGA Batch Unzipped	6091.99998768	6314.00000088	1111
density_correction	CDRH	Energective CorrectedLOGS	6024.6768	6298.0824	1795
density_correction	DENC	OGA Batch Unzipped	6023.00000376	6098.999994	381
gamma_ray	GRI	Energective CorrectedLOGS	5918.149200000001	6284.518800000001	2402
med_resistivity	ILM	Energective CorrectedLOGS	6086.094	6312.7128	1488
med_resistivity	RES_MED	OGA Batch Unzipped	6091.99998768	6314.00000088	1111
neutron_por	NEU	OGA Batch Unzipped	6023.00000376	6095.000012160001	361
neutron_por	CNEU	Energective CorrectedLOGS	5919.5208	6295.9488	2471
pef	CPEF	Energective CorrectedLOGS	6023.610000000001	6297.4728000000005	1798
pef	PEF	OGA Batch Unzipped	6023.00000376	6098.999994	381
potassium	POTA	OGA Batch Unzipped	6013.99999128	6284.999987759999	1356
sp	SP	Energective CorrectedLOGS	6021.9336	6315.7608	1929
thorium	THOR	OGA Batch Unzipped	6013.99999128	6284.999987759999	1356
tvdss	SS	Energective CorrectedLOGS	5917.9968	6316.0656	2613
uranium	URAN	OGA Batch Unzipped	6013.99999128	6284.999987759999	1356

Survey Inventory (Deviation)

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Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
16/08b-A5	479	6368.200	4036.237	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_16\16_08b-A5\WELL_PATH\WDD_QC\16_08b-A5_wdd_WDD_FILE_1683435_DATACO_MAPPED.csv

16/08b-A5

Well Header

Wellbores (1)

Formation Tops (9)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (2)

Rock Samples (0)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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