Well Data Manager / Well Summary / 22/01a- 4

22/01a- 4

Decommissioned

Well Header

Well No

22/01a- 4

NSTA DEN No

3492

Well Name

Drill Seq No

Quadrant / Block

22 / 1 a

Surface Location

57.925698, 1.118207

Source Datum

ED50

Subsea Well

Unknown

Platform

Slot No

Operator

NEO NEXT+ ENERGY E&P NORTH SEA UK LIMITED

Original Operator

Sub Area Operator

NEO NEXT+ ENERGY E&P NORTH SEA UK LIMITED

Licence No

P96

Licence Type

Production

Spud Date

1988-06-10

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

22/01a- 4 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Oil Show

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

25.908

Ground Elev (m)

Water Depth (m)

124.36

TD MD (m)

4084.320

TD TVDSS (m)

3998.366

TD Datum Depth (m)

25.908

TD Datum Type

Kelly Bushing

Spud Date

1988-06-10

TD Reached

1988-08-15

Completion Date

1988-09-27

Release Date

1992-09-27

Formation Tops (16)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
22/01a- 4	Horda	Cenozoic	1950.000	1924.092	Lloyds Register
	Stronsay	Cenozoic	1950.000	1924.092	Lloyds Register
	Balder Tuff	Cenozoic	2283.000	2257.092	Lloyds Register
	Balder	Cenozoic	2283.000	2257.092	Lloyds Register
	Moray	Mesozoic	2283.000	2257.092	Lloyds Register
	Sele	Mesozoic	2312.000	2286.092	Lloyds Register
	Forties Sandstone	Mesozoic	2344.000	2318.092	Lloyds Register
	Montrose	Mesozoic	2500.000	2474.092	Lloyds Register
	Lista	Mesozoic	2500.000	2474.092	Lloyds Register
	Balmoral Sandstone	Cenozoic	2500.000	2474.092	Lloyds Register
	Glamis Tuff		2671.000	2645.092	Lloyds Register
	Andrew Sandstone	Cenozoic	2690.000	2664.092	Lloyds Register
	Maureen Sandstone	Mesozoic	2843.000	2817.092	Lloyds Register
	Maureen	Mesozoic	2843.000	2817.092	Lloyds Register
	Chalk	Mesozoic	2942.000	2916.092	Lloyds Register
	Ekofisk	Mesozoic	2942.000	2916.092	Lloyds Register

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
22/01a- 4	4	6	6	37	16	2	1	1	6	View

Hydrocarbon Occurrence (6)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
22/01a- 4	DST	DST 1	--	3999.6	4021.5	Not used for labelling, multiple DSTs in same play / Upper Jurassic
22/01a- 4	DST	DST 2	--	3999.6	4021.5	Not used for labelling, multiple DSTs in same play / Upper Jurassic
22/01a- 4	DST	DST 3	--	3999.6	4021.6	Not used for labelling, multiple DSTs in same play / Upper Jurassic
22/01a- 4	DST	DST 4	--	3999.6	4021.6	Not used for labelling, multiple DSTs in same play / Upper Jurassic
22/01a- 4	DST	DST 5	--	3999.6	4021.6	Not used for labelling, multiple DSTs in same play / Upper Jurassic
22/01a- 4	DST	DST 6	--	3999.7	4021.6	Label / Upper Jurassic

Rock Samples (2)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
22/01a- 4	Cuttings	487.68	4084.32	--	--	came in as 22/01A-A 4 .
22/01a- 4	Core #1	4019.7	4037.69	--	--	came in as 22/01A-A 4 .

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
22/01a- 4	147.8280029296875	4078.37646484375	12	0	2026-08-06 11:50:59.605156+00	View Log

Source LAS Manifest (Best Curve per Type)

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22/01a- 4

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	RHOB	CGG Digital Well Logs	3669.4872	4063.5936	2587
caliper	CALS	CGG Digital Well Logs	1808.988	4078.3764	5339
caliper	C2	CGG Digital Well Logs	1808.988	2213.4576	2655
comp_sonic	DT	CGG Digital Well Logs	457.96200000000005	4069.9944	23308
deep_resistivity	ILD	CGG Digital Well Logs	458.87640000000005	3679.8504000000003	20799
deep_resistivity	LLD	CGG Digital Well Logs	3670.554	4083.558	2711
density_correction	DRHO	CGG Digital Well Logs	3671.1636000000003	4063.5936	2576
gamma_ray	CGR	CGG Digital Well Logs	3658.8192000000004	4054.7544000000003	2599
gamma_ray	GR	CGG Digital Well Logs	147.828	4071.6708000000003	25748
gamma_ray	SGR	CGG Digital Well Logs	3655.9236	4053.5352000000003	2610
med_resistivity	ILM	CGG Digital Well Logs	458.72400000000005	3680.7648000000004	20812
micro_resistivity	MSFL	CGG Digital Well Logs	3670.7064	4078.0716	2674
neutron_por	NPHI	CGG Digital Well Logs	3669.6396	4058.4120000000003	2552
pef	PEF	CGG Digital Well Logs	3671.3160000000003	4063.8984	2577
shallow_resistivity	LLS	CGG Digital Well Logs	3670.4016	4083.558	2712
shallow_resistivity	SFLU	CGG Digital Well Logs	458.41920000000005	3680.7648000000004	20816
sp	SP	CGG Digital Well Logs	457.96200000000005	4058.8692	23313
thorium	THOR	CGG Digital Well Logs	3658.8192000000004	4054.7544000000003	2599
uranium	URAN	CGG Digital Well Logs	3658.8192000000004	4054.7544000000003	2599

Survey Inventory (Deviation)

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Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
22/01a- 4	0	--	--	--

22/01a- 4

Well Header

Wellbores (1)

Formation Tops (16)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (6)

Rock Samples (2)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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