Well Data Manager / Well Summary / 43/21b- 5

43/21b- 5

Decommissioned

Well Header

Well No

43/21b- 5

NSTA DEN No

20327

Well Name

Drill Seq No

Quadrant / Block

43 / 21 b

Surface Location

54.251192, 1.152928

Source Datum

ED50

Subsea Well

Unknown

Platform

Slot No

Operator

ITHACA ENERGY (UK) LIMITED

Original Operator

Sub Area Operator

ITHACA ENERGY (UK) LIMITED

Licence No

P1233

Licence Type

Production

Spud Date

2008-12-26

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (2)

43/21b- 5 Original

Abandoned Phase 3 Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Gas Well

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Rotary Table

Datum Elev (m)

39.624

Ground Elev (m)

Water Depth (m)

53.95

TD MD (m)

2671.572

TD TVDSS (m)

2631.948

TD Datum Depth (m)

40.538

TD Datum Type

Rotary Table

Spud Date

2008-12-26

TD Reached

2009-01-16

Completion Date

2009-01-23

Release Date

2012-01-23

43/21b- 5Z Sidetrack Z parent: 43/21b- 5

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Gas Well

Dev Type

Convention

Primary Target

Well Seq

WB2

Datum Type

Rotary Table

Datum Elev (m)

39.624

Ground Elev (m)

Water Depth (m)

53.95

TD MD (m)

3535.680

TD TVDSS (m)

3496.056

TD Datum Depth (m)

39.624

TD Datum Type

Rotary Table

Spud Date

2009-01-25

TD Reached

2009-03-04

Completion Date

2011-09-14

Release Date

2014-09-14

Formation Tops (60)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
43/21b- 5	Unknown		94.000	54.376	BGS LithoStrat Upper
	Chalk	Mesozoic	148.000	108.376	BGS LithoStrat Upper
	Cromer Knoll	Mesozoic	323.000	283.376	BGS LithoStrat Upper
	Kimmeridge Clay		515.000	475.376	BGS LithoStrat Upper
	Corallian	Palaeozoic	604.000	564.376	BGS LithoStrat Upper
	West Sole	Mesozoic	664.000	624.376	BGS LithoStrat Upper
	Lias	Mesozoic	839.000	799.376	BGS LithoStrat Upper
	Winterton		1414.000	1374.376	BGS LithoStrat Upper
	Triton Anhydrite	Mesozoic	1426.000	1386.376	BGS LithoStrat Upper
	Dudgeon Saliferous		1586.000	1546.376	BGS LithoStrat Upper
	Dowsing Dolomite		1719.000	1679.376	BGS LithoStrat Upper
	Muschelkalk Halite Member	Mesozoic	1785.000	1745.376	BGS LithoStrat Upper
	Middle Dowsing Member		1852.000	1812.376	BGS LithoStrat Upper
	Rot Halite Member		2011.000	1971.376	BGS LithoStrat Upper
	Solling Claystone Member	Cenozoic	2080.000	2040.376	BGS LithoStrat Upper
	Bunter Sandstone	Mesozoic	2092.000	2052.376	BGS LithoStrat Upper
	Bunter Shale	Mesozoic	2325.000	2285.376	BGS LithoStrat Upper
	Brockelschiefer Member		2668.000	2628.376	BGS LithoStrat Upper
	Aller Halite	Palaeozoic	2693.000	2653.376	BGS LithoStrat Upper
43/21b- 5Z	Unknown		94.000	54.376	BGS LithoStrat Upper
	Chalk	Mesozoic	148.000	108.375	BGS LithoStrat Upper
	Cromer Knoll	Mesozoic	323.000	283.371	BGS LithoStrat Upper
	Kimmeridge Clay		515.000	475.370	BGS LithoStrat Upper
	Corallian	Palaeozoic	604.000	564.370	BGS LithoStrat Upper
	West Sole	Mesozoic	664.000	624.369	BGS LithoStrat Upper
	Lias	Mesozoic	839.000	799.366	BGS LithoStrat Upper
	Winterton		1414.000	1372.884	BGS LithoStrat Upper
	Triton Anhydrite	Mesozoic	1437.000	1395.880	BGS LithoStrat Upper
	Keuper Anhydrite Member	Mesozoic	1487.000	1445.874	BGS LithoStrat Upper
	Middle Keuper		1533.000	1491.869	BGS LithoStrat Upper
	Dudgeon Saliferous		1586.000	1544.864	BGS LithoStrat Upper
	Lower Keuper Member		1691.000	1649.821	BGS LithoStrat Upper
	Dowsing Dolomite		1719.000	1677.802	BGS LithoStrat Upper
	Muschelkalk Halite Member	Mesozoic	1792.000	1750.727	BGS LithoStrat Upper
	Middle Dowsing Member		1853.000	1811.619	BGS LithoStrat Upper
	Upper Rot Halite Member		1976.000	1934.385	BGS LithoStrat Upper
	Lower Dowsing Member		1985.000	1943.375	BGS LithoStrat Upper
	Rot Halite Member		2010.000	1968.352	BGS LithoStrat Upper
	Rot Clay Member		2082.000	2040.341	BGS LithoStrat Upper
	Bunter Sandstone	Mesozoic	2093.000	2051.341	BGS LithoStrat Upper
	Bunter Shale	Mesozoic	2327.000	2285.322	BGS LithoStrat Upper
	Brockelschiefer Member		2669.000	2627.302	BGS LithoStrat Upper
	Aller Halite	Palaeozoic	2694.000	2652.301	BGS LithoStrat Upper
	Aller Potash		2707.000	2665.301	BGS LithoStrat Upper
	Aller Halite	Palaeozoic	2713.000	2671.301	BGS LithoStrat Upper
	Pegmatitanhydrit	Palaeozoic	2722.000	2680.300	BGS LithoStrat Upper
	Roter Salzton	Palaeozoic	2724.000	2682.300	BGS LithoStrat Upper
	Leine Potash		2742.000	2700.299	BGS LithoStrat Upper
	Leine Halite Member	Palaeozoic	2758.000	2716.299	BGS LithoStrat Upper
	Hauptanhydrit	Palaeozoic	2803.000	2761.297	BGS LithoStrat Upper
	Stassfurt Halite	Palaeozoic	2822.000	2780.297	BGS LithoStrat Upper
	Deckanhydrit		2830.000	2788.297	BGS LithoStrat Upper
	Stassfurt Potash		2838.000	2796.297	BGS LithoStrat Upper
	Basalanhydrit	Palaeozoic	2865.000	2823.295	BGS LithoStrat Upper
	Hauptdolomit	Palaeozoic	2881.000	2839.287	BGS LithoStrat Upper
	Kupferschiefer	Palaeozoic	2888.000	2846.284	BGS LithoStrat Upper
	Werraanhydrit	Palaeozoic	2898.000	2856.279	BGS LithoStrat Upper
	Zechsteinkalk	Palaeozoic	2910.000	2868.263	BGS LithoStrat Upper
	Silverpit Claystone Member		2920.000	2878.243	BGS LithoStrat Upper
	Millstone Grit		3102.000	3057.670	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
43/21b- 5	7	2	0	19	19	0	0	0	0	View
43/21b- 5Z	9	5	0	41	41	2	0	0	1	View

Hydrocarbon Occurrence (1)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
43/21b- 5Z	DST	DST 1	--	3102.0	3385.4	Label / Namurian

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
43/21b- 5Z	1.2192000150680542	3529.583984375	7	0	2026-08-06 18:38:36.583714+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

43/21b- 5Z

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	RHOZ	CGG Digital Well Logs	2879.598	3521.6592	4214
caliper	HCAL	CGG Digital Well Logs	2879.598	3521.9640000000004	4216
comp_sonic	DTCO	CGG Digital Well Logs	2879.598	3529.5840000000003	4266
density_correction	HDRA	CGG Digital Well Logs	2879.598	3521.6592	4214
gamma_ray	GR	CGG Digital Well Logs	1.2192	3514.344	23053
neutron_por	TNPH	CGG Digital Well Logs	2809.0368000000003	3512.5152000000003	4617
pef	PEFZ	CGG Digital Well Logs	2879.598	3521.6592	4214

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
43/21b- 5	0	--	--	--
43/21b- 5Z	115	3535.680	3471.088	D:\BigSpatial\nsta_raw\CGG_Deviation\43-21b-5Z 30237bc-CGG-Deviation.xls

43/21b- 5

Well Header

Wellbores (2)

Formation Tops (60)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (1)

Rock Samples (0)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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