Well Data Manager / Well Summary / 49/09b- 4

49/09b- 4

Decommissioned

Well Header

Well No

49/09b- 4

NSTA DEN No

5265

Well Name

Drill Seq No

Quadrant / Block

49 / 9 b

Surface Location

53.831579, 2.771266

Source Datum

ED50

Subsea Well

Unknown

Platform

Slot No

Operator

INEOS UK SNS LIMITED

Original Operator

Sub Area Operator

INEOS UK SNS LIMITED

Licence No

P524

Licence Type

Production

Spud Date

1994-06-27

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (2)

49/09b- 4 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Dry Hole

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

32.614

Ground Elev (m)

Water Depth (m)

35.36

TD MD (m)

2564.282

TD TVDSS (m)

2350.313

TD Datum Depth (m)

32.614

TD Datum Type

Kelly Bushing

Spud Date

1994-06-27

TD Reached

1994-10-10

Completion Date

1995-02-04

Release Date

1999-02-04

49/09b- 4Z Sidetrack Z parent: 49/09b- 4

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Development

Original Intent

Appraisal

Flow Class

Gas Well

Dev Type

Producer

Convention

Primary Target

Well Seq

WB2

Datum Type

Kelly Bushing

Datum Elev (m)

32.614

Ground Elev (m)

Water Depth (m)

35.36

TD MD (m)

4130.040

TD TVDSS (m)

3718.560

TD Datum Depth (m)

32.614

TD Datum Type

Kelly Bushing

Spud Date

1994-06-27

TD Reached

1995-01-18

Completion Date

1995-02-04

Release Date

1999-02-04

Formation Tops (28)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
49/09b- 4	North Sea Group		68.000	35.386	BGS LithoStrat Upper
	North Sea Group		192.000	159.386	BGS LithoStrat Upper
	North Sea Group		322.000	289.386	BGS LithoStrat Upper
49/09b- 4Z	Chalk	Mesozoic	1285.000	1252.386	BGS LithoStrat Upper
	Chalk	Mesozoic	1305.000	1272.386	BGS LithoStrat Upper
	Cromer Knoll	Mesozoic	2580.000	2547.386	BGS LithoStrat Upper
	Red Chalk	Mesozoic	2580.000	2547.386	BGS LithoStrat Upper
	Bunter Shale	Mesozoic	2607.000	2574.386	BGS LithoStrat Upper
	Bacton	Mesozoic	2607.000	2574.386	BGS LithoStrat Upper
	Brockelschiefer Member		2798.000	2765.386	BGS LithoStrat Upper
	Aller Halite	Palaeozoic	2822.000	2789.386	BGS LithoStrat Upper
	Zechstein	Palaeozoic	2822.000	2789.386	BGS LithoStrat Upper
	Roter Salzton	Palaeozoic	2874.000	2841.386	BGS LithoStrat Upper
	Leine Potash		2924.000	2891.386	BGS LithoStrat Upper
	Leine Halite Member	Palaeozoic	3015.000	2982.386	BGS LithoStrat Upper
	Stassfurt Potash		3387.000	3354.386	BGS LithoStrat Upper
	Stassfurt Halite	Palaeozoic	3475.000	3442.386	BGS LithoStrat Upper
	Basalanhydrit	Palaeozoic	3603.000	3570.386	BGS LithoStrat Upper
	Hauptdolomit	Palaeozoic	3641.000	3608.386	BGS LithoStrat Upper
	Werraanhydrit	Palaeozoic	3655.000	3622.386	BGS LithoStrat Upper
	Zechsteinkalk	Palaeozoic	3673.000	3640.386	BGS LithoStrat Upper
	Kupferschiefer	Palaeozoic	3681.000	3648.386	BGS LithoStrat Upper
	Rotliegendes		3683.000	3650.386	BGS LithoStrat Upper
	Silverpit		3683.000	3650.386	BGS LithoStrat Upper
	Leman Sandstone		3904.000	3871.386	BGS LithoStrat Upper
	Leman Sandstone		3904.000	3871.386	BGS LithoStrat Upper
	Unknown		3930.000	3897.386	BGS LithoStrat Upper
	Caister Coal Formation		3930.000	3897.386	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
49/09b- 4	0	0	0	3	3	2	0	1	0	View
49/09b- 4Z	6	4	0	18	25	2	2	1	1	View

Hydrocarbon Occurrence (2)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
49/09b- 4Z	DST	DST 1	--	3885.3	3931.9	Label / Rotliegend
49/09b- 4Z	Gas	GW	Leman Sandstone Formation	3903.8784	--	26 m thick

Rock Samples (4)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
49/09b- 4	Cuttings	850.39	2560.32	--	--	--
49/09b- 4Z	Cuttings	1365.5	4130.04	--	--	part duplicate set see S101723
49/09b- 4Z	Core #1	3891.99	3919.16	--	--	sidetrack in as 49/09b- 4st
49/09b- 4Z	Core #2	3919.42	3946.34	--	--	--

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
49/09b- 4	24.384000778198242	4128.05908203125	12	0	2026-08-06 18:47:54.864795+00	View Log
49/09b- 4Z	24.384000778198242	4128.05908203125	12	0	2026-08-06 18:48:04.002476+00	View Log

Source LAS Manifest (Best Curve per Type)

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49/09b- 4

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	RHOB	CGG Digital Well Logs	2844.6984	4112.9712	8141
caliper	CALI	CGG Digital Well Logs	1347.2160000000001	4112.9712	17962
caliper	CALS	CGG Digital Well Logs	3612.9468	4122.5724	3345
comp_sonic	DTLF	CGG Digital Well Logs	1347.8256000000001	3591.7632000000003	14660
comp_sonic	DT	CGG Digital Well Logs	1347.8256000000001	4127.4492	18032
deep_resistivity	RESD	CGG Digital Well Logs	1348.1304	4128.0588	18153
deep_resistivity	LLG	CGG Digital Well Logs	3613.404	4128.0588	3378
deep_resistivity	LLD	CGG Digital Well Logs	3613.404	4128.0588	3378
deep_resistivity	ILD	CGG Digital Well Logs	1348.1304	3599.688	14775
density_correction	DRHO	CGG Digital Well Logs	2844.6984	4112.9712	8141
gamma_ray	CGR	CGG Digital Well Logs	1327.5564000000002	4103.827200000001	13594
gamma_ray	GR	CGG Digital Well Logs	24.384	4103.827200000001	26769
med_resistivity	ILM	CGG Digital Well Logs	1348.1304	3599.688	14775
micro_resistivity	MSFL	CGG Digital Well Logs	3612.9468	4122.5724	3345
neutron_por	NPHI	CGG Digital Well Logs	2789.2248	4112.9712	8687
pef	PEF	CGG Digital Well Logs	2844.6984	4112.9712	8141
potassium	POTA	CGG Digital Well Logs	1327.5564000000002	4103.827200000001	13594
shallow_resistivity	LLS	CGG Digital Well Logs	3613.404	4128.0588	3378
shallow_resistivity	SFLU	CGG Digital Well Logs	1346.9112	3604.26	14813
sp	SP	CGG Digital Well Logs	1347.2160000000001	4101.6936000000005	18028
thorium	THOR	CGG Digital Well Logs	1327.5564000000002	4103.827200000001	13594
uranium	URAN	CGG Digital Well Logs	1327.5564000000002	4103.827200000001	13594

49/09b- 4Z

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	RHOB	CGG Digital Well Logs	2844.6984	4112.9712	8141
caliper	CALI	CGG Digital Well Logs	1347.2160000000001	4112.9712	17962
caliper	CALS	CGG Digital Well Logs	3612.9468	4122.5724	3345
comp_sonic	DTLF	CGG Digital Well Logs	1347.8256000000001	3591.7632000000003	14660
comp_sonic	DT	CGG Digital Well Logs	1347.8256000000001	4127.4492	18032
deep_resistivity	LLG	CGG Digital Well Logs	3613.404	4128.0588	3378
deep_resistivity	RESD	CGG Digital Well Logs	1348.1304	4128.0588	18153
deep_resistivity	LLD	CGG Digital Well Logs	3613.404	4128.0588	3378
deep_resistivity	ILD	CGG Digital Well Logs	1348.1304	3599.688	14775
density_correction	DRHO	CGG Digital Well Logs	2844.6984	4112.9712	8141
gamma_ray	GR	CGG Digital Well Logs	24.384	4103.827200000001	26769
gamma_ray	CGR	CGG Digital Well Logs	1327.5564000000002	4103.827200000001	13594
med_resistivity	ILM	CGG Digital Well Logs	1348.1304	3599.688	14775
micro_resistivity	MSFL	CGG Digital Well Logs	3612.9468	4122.5724	3345
neutron_por	NPHI	CGG Digital Well Logs	2789.2248	4112.9712	8687
pef	PEF	CGG Digital Well Logs	2844.6984	4112.9712	8141
potassium	POTA	CGG Digital Well Logs	1327.5564000000002	4103.827200000001	13594
shallow_resistivity	SFLU	CGG Digital Well Logs	1346.9112	3604.26	14813
shallow_resistivity	LLS	CGG Digital Well Logs	3613.404	4128.0588	3378
sp	SP	CGG Digital Well Logs	1347.2160000000001	4101.6936000000005	18028
thorium	THOR	CGG Digital Well Logs	1327.5564000000002	4103.827200000001	13594
uranium	URAN	CGG Digital Well Logs	1327.5564000000002	4103.827200000001	13594

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
49/09b- 4	0	--	--	--
49/09b- 4Z	0	--	--	--

49/09b- 4

Well Header

Wellbores (2)

Formation Tops (28)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (2)

Rock Samples (4)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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