Well Data Manager / Well Summary / 16/11a- 4

16/11a- 4

Decommissioned

Well Header

Well No

16/11a- 4

NSTA DEN No

3661

Well Name

Drill Seq No

Quadrant / Block

16 / 11 a

Surface Location

58.585171, 1.137542

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

SHELL EP OFFSHORE VENTURES LIMITED

Original Operator

Sub Area Operator

SHELL EP OFFSHORE VENTURES LIMITED

Licence No

P196

Licence Type

Production

Spud Date

1988-12-27

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

16/11a- 4 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Dry Hole

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

25.878

Ground Elev (m)

Water Depth (m)

136.06

TD MD (m)

2318.522

TD TVDSS (m)

2240.707

TD Datum Depth (m)

25.878

TD Datum Type

Kelly Bushing

Spud Date

1988-12-27

TD Reached

1989-01-09

Completion Date

1989-01-18

Release Date

1993-01-18

Formation Tops (6)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
16/11a- 4	Grid Sst		1250.000	1224.062	Ternan
	Caran Sst		1324.000	1298.058	Ternan
	Odin Sst	Cenozoic	1872.000	1846.041	Ternan
	Odin Sst	Cenozoic	1872.000	1846.041	Ternan
	Maureen Sst	Mesozoic	2305.000	2279.037	Ternan
	Chalk	Mesozoic	2331.000	2305.036	Ternan

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
16/11a- 4	0	0	0	20	6	0	0	0	0	View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

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
16/11a- 4	146.91360473632812	2348.484130859375	12	0	2026-08-06 09:04:38.572505+00	View Log

Source LAS Manifest (Best Curve per Type)

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16/11a- 4

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	DENS	UKCS JDWL 30th Round	766.8768	2342.9976	10343
bulk_density	CDEN	Energective CorrectedLOGS	1057.8084000000001	2347.8744	8466
caliper	CALI	UKCS JDWL 30th Round	749.9604	2341.9308	10447
caliper	CLD	Energective CorrectedLOGS	753.0084	2331.4152	10358
comp_sonic	DTC	Energective CorrectedLOGS	767.0292000000001	2331.8724	10269
deep_resistivity	ILD	Energective CorrectedLOGS	753.0084	2342.388	10430
deep_resistivity	RDEP	UKCS JDWL 30th Round	766.8768	2340.864	10329
deep_resistivity	RES_DEP	OGA Batch Unzipped	161.8488	2318.3088000000002	14151
density_correction	CDRH	Energective CorrectedLOGS	1057.8084000000001	2347.8744	8466
density_correction	DENC	UKCS JDWL 30th Round	766.8768	2342.9976	10343
gamma_ray	GRI	Energective CorrectedLOGS	146.9136	2339.6448	14389
gamma_ray	GR	UKCS JDWL 30th Round	162.0012	2334.9204	14259
med_resistivity	ILM	Energective CorrectedLOGS	753.0084	2343.9120000000003	10440
med_resistivity	RES_MED	OGA Batch Unzipped	161.8488	2318.3088000000002	14151
med_resistivity	RMED	UKCS JDWL 30th Round	766.8768	2340.864	10329
micro_resistivity	RES_MIC	OGA Batch Unzipped	161.8488	2318.3088000000002	14151
neutron_por	CNEU	Energective CorrectedLOGS	1057.8084000000001	2344.2168	8442
neutron_por	NEUT	UKCS JDWL 30th Round	766.8768	2337.9684	10310
pef	CPEF	Energective CorrectedLOGS	1057.8084000000001	2347.1124	8461
pef	PEF	UKCS JDWL 30th Round	766.8768	2342.9976	10343
shallow_resistivity	RES_SLW	OGA Batch Unzipped	161.8488	2318.3088000000002	14151
sp	SP	Energective CorrectedLOGS	755.7516	2348.484	10446
tvdss	SS	Energective CorrectedLOGS	146.9136	2348.7888000000003	14449

Survey Inventory (Deviation)

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Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
16/11a- 4	22	2345.131	2319.169	G:\NSTA_BigFiles\NSTA_Packages\UKCS_JDWL_30thRound\NNS\OGA_Additional_Deviation_NNS.xlsx
16/11a- 4	22	2345.131	2319.167	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_16\16_11a- 4\WELL_PATH\WDD_QC\16_11a-_4_wdd_WDD_FILE_1996062_DATACO_MAPPED.csv

16/11a- 4

Well Header

Wellbores (1)

Formation Tops (6)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (0)

Rock Samples (0)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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