Well Data Manager / Well Summary / 211/17b- 4

211/17b- 4

Decommissioned

Well Header

Well No

211/17b- 4

NSTA DEN No

4568

Well Name

Drill Seq No

Quadrant / Block

211 / 17 b

Surface Location

61.432587, 1.283904

Source Datum

ED50

Subsea Well

Unknown

Platform

Slot No

Operator

SHELL EP OFFSHORE VENTURES LIMITED

Original Operator

Sub Area Operator

SHELL EP OFFSHORE VENTURES LIMITED

Licence No

P794

Licence Type

Production

Spud Date

1991-11-18

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (2)

211/17b- 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)

25.908

Ground Elev (m)

Water Depth (m)

175.87

TD MD (m)

614.172

TD TVDSS (m)

0.000

TD Datum Depth (m)

25.908

TD Datum Type

Kelly Bushing

Spud Date

1991-11-18

TD Reached

1991-11-19

Completion Date

1992-02-17

Release Date

1996-02-17

211/17b- 4A Sidetrack A parent: 211/17b- 4

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)

25.908

Ground Elev (m)

Water Depth (m)

175.87

TD MD (m)

3523.488

TD TVDSS (m)

3497.580

TD Datum Depth (m)

25.908

TD Datum Type

Kelly Bushing

Spud Date

1991-11-19

TD Reached

1992-02-08

Completion Date

1992-02-17

Release Date

1996-02-17

Formation Tops (15)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
211/17b- 4A	Nordland	Cenozoic	200.000	174.089	BGS LithoStrat Upper
	Nordland	Cenozoic	620.000	594.084	BGS LithoStrat Upper
	Nordland	Cenozoic	966.000	939.823	BGS LithoStrat Upper
	Balder	Cenozoic	1488.000	1461.775	BGS LithoStrat Upper
	Sele	Mesozoic	1523.000	1496.773	BGS LithoStrat Upper
	Shetland	Mesozoic	1684.000	1657.765	BGS LithoStrat Upper
	Shetland	Mesozoic	1998.000	1971.720	BGS LithoStrat Upper
	Shetland	Mesozoic	2430.000	2403.610	BGS LithoStrat Upper
	Shetland	Mesozoic	2630.000	2603.557	BGS LithoStrat Upper
	Shetland	Mesozoic	2777.000	2750.529	BGS LithoStrat Upper
	Shetland	Mesozoic	2941.000	2914.486	BGS LithoStrat Upper
	Cromer Knoll	Mesozoic	3206.000	3046.150	BGS LithoStrat Upper
	Cromer Knoll	Mesozoic	3243.000	3046.150	BGS LithoStrat Upper
	Kimmeridge Clay		3285.000	3046.150	BGS LithoStrat Upper
	Heather	Mesozoic	3424.000	3046.150	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
211/17b- 4	0	0	0	0	0	0	0	1	0	View
211/17b- 4A	0	0	0	15	15	0	0	0	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
211/17b- 4	Cuttings	627.89	3523.49	--	--	re-spud / in as 211/17B- D

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
211/17b- 4	201.77760314941406	3523.488037109375	8	0	2026-08-06 10:56:03.176983+00	View Log
211/17b- 4A	121.91999816894531	3523.335693359375	14	0	2026-08-06 10:56:06.352991+00	View Log

Source LAS Manifest (Best Curve per Type)

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211/17b- 4

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	DEN	OGA Batch Unzipped	3044.952	3523.4880000000003	3141
caliper	CALI	OGA Batch Unzipped	201.7776	3523.4880000000003	21689
comp_sonic	DT	OGA Batch Unzipped	201.7776	3520.5924	21762
density_correction	DENC	OGA Batch Unzipped	3044.952	3523.4880000000003	3141
gamma_ray	GR	OGA Batch Unzipped	201.7776	3517.8492	21684
micro_resistivity	RES_MIC	OGA Batch Unzipped	201.7776	3523.4880000000003	21789
neutron_por	NEU	OGA Batch Unzipped	3044.952	3518.154	3106
sp	SP	OGA Batch Unzipped	201.7776	3500.4756	21334

211/17b- 4A

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
apparent_water_resistivity	RWA	Energective CorrectedLOGS	690.9816000000001	691.7436	6
bulk_density	DEN	OGA Batch Unzipped	3045.2568	3497.5800000000004	2969
bulk_density	CDEN	Energective CorrectedLOGS	3088.5384000000004	3523.3356000000003	2854
bulk_density	LDL	Energective CorrectedLOGS	3085.9476	3522.1164000000003	2863
cable_tension	TNS	Energective CorrectedLOGS	1260.1956	3525.1644	14859
caliper	CALI	OGA Batch Unzipped	1260.9576	3497.5800000000004	14574
caliper	CLD	Energective CorrectedLOGS	615.5436000000001	3508.5528000000004	18962
comp_sonic	DTC	Energective CorrectedLOGS	621.1824	3516.3252	18998
deep_resistivity	ILD	Energective CorrectedLOGS	1306.8300000000002	3509.7720000000004	14384
deep_resistivity	LLD	Energective CorrectedLOGS	617.6772000000001	3508.5528000000004	18970
density_correction	DRH	Energective CorrectedLOGS	3054.7056000000002	3522.726	3072
density_correction	DENC	OGA Batch Unzipped	3045.2568	3497.5800000000004	2969
density_correction	CDRH	Energective CorrectedLOGS	3088.5384000000004	3523.3356000000003	2854
gamma_ray	GR	OGA Batch Unzipped	1260.9576	3497.5800000000004	14641
gamma_ray	GRI	Energective CorrectedLOGS	121.92	3517.5444	22282
micro_resistivity	RES_MIC	OGA Batch Unzipped	3018.1296	3497.5800000000004	3147
micro_resistivity	MLL	Energective CorrectedLOGS	3094.3296	3521.6592	2805
neutron_por	CNLC	Energective CorrectedLOGS	3056.382	3517.0872000000004	3024
neutron_por	NEU	OGA Batch Unzipped	3045.2568	3497.5800000000004	2969
neutron_por	CNEU	Energective CorrectedLOGS	3055.7724000000003	3518.0016	3034
pef	CPEF	Energective CorrectedLOGS	3088.5384000000004	3523.3356000000003	2854
pef	PEF	Energective CorrectedLOGS	3086.7096	3523.3356000000003	2866
porosity	POR	Energective CorrectedLOGS	617.6772000000001	3516.9348	19025
shallow_resistivity	LLS	Energective CorrectedLOGS	615.5436000000001	3508.5528000000004	18984
sp	SP	Energective CorrectedLOGS	1306.8300000000002	3496.818	14210
tvdss	SS	Energective CorrectedLOGS	121.92	3525.6216000000004	22335
vshale	VSH	Energective CorrectedLOGS	614.0196000000001	3516.9348	19049
vshale	VSGR	Energective CorrectedLOGS	614.0196000000001	3516.9348	19049
water_sat	SW	Energective CorrectedLOGS	617.6772000000001	3516.9348	19025
water_sat_xo	SXO	Energective CorrectedLOGS	617.6772000000001	3516.9348	19025

Survey Inventory (Deviation)

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Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
211/17b- 4	0	--	--	--
211/17b- 4A	88	3072.689	3046.150	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_17b- 4A\WELL_PATH\WDD_QC\211_17b-_4A_wdd_WDD_FILE_1680415_DATACO_MAPPED.csv

211/17b- 4

Well Header

Wellbores (2)

Formation Tops (15)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (0)

Rock Samples (1)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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