Well Data Manager / Well Summary / 14/20b- 21

14/20b- 21

Decommissioned

Well Header

Well No

14/20b- 21

NSTA DEN No

3434

Well Name

Drill Seq No

Quadrant / Block

14 / 20 b

Surface Location

58.367553, -0.081592

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

NEO NEXT + ENERGY RESOURCES UK LIMITED

Original Operator

Sub Area Operator

NEO NEXT + ENERGY RESOURCES UK LIMITED

Licence No

P324

Licence Type

Production

Spud Date

1988-04-08

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

14/20b- 21 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)

24.994

Ground Elev (m)

Water Depth (m)

131.06

TD MD (m)

3480.816

TD TVDSS (m)

3030.022

TD Datum Depth (m)

24.994

TD Datum Type

Kelly Bushing

Spud Date

1988-04-08

TD Reached

1988-06-11

Completion Date

1988-07-03

Release Date

1992-07-03

Formation Tops (17)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
14/20b- 21	Chalk	Mesozoic	2386.000	2081.353	Lloyds Register
	Tor	Mesozoic	2386.000	2081.353	Lloyds Register
	Mackerel	Mesozoic	2438.000	2121.092	Lloyds Register
	Herring	Mesozoic	2669.000	2301.289	Lloyds Register
	Plenus Marl		2840.000	2443.046	Lloyds Register
	Hidra	Mesozoic	2853.000	2454.122	Lloyds Register
	Rodby	Mesozoic	3018.000	2598.109	Lloyds Register
	Cromer Knoll	Mesozoic	3018.000	2598.109	Lloyds Register
	Sola		3094.000	2666.284	Lloyds Register
	Valhall	Mesozoic	3150.000	2717.345	Lloyds Register
	Scapa Sandstone	Mesozoic	3250.000	2810.309	Lloyds Register
	Kimmeridge Clay		3365.000	2919.082	Lloyds Register
	Humber	Mesozoic	3365.000	2919.082	Lloyds Register
	Zechstein	Palaeozoic	3410.000	2961.963	Lloyds Register
	Zechstein Undifferentiated		3410.000	2961.963	Lloyds Register
	Carboniferous	Palaeozoic	3441.000	2991.679	Lloyds Register
	Carboniferous Undifferentiated	Palaeozoic	3441.000	2991.679	Lloyds Register

Lithology Intervals

14/20b- 21 Curve: SANDCOUNT 69 intervals · MD 546.354 – 3472.282 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...

Sandstone (58)

Coal (6)

Limestone (5)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log

Wellbore	Groups	Formations	Members	Strat Intervals	Tops	HC Occ	Core	Cuttings	DSTs
14/20b- 21	5	10	2	20	17	1	7	1	2	View

Hydrocarbon Occurrence (9)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
14/20b- 21	Gas shows	GS	Rødby Formation	3017.52	--	76 m thick
14/20b- 21	Gas shows	GS	SOLA	3093.7200000000003	--	57 m thick
14/20b- 21	Gas shows	GS	VALH	3150.7176	--	100 m thick
14/20b- 21	DST	DST 1	--	3188.2	3247.6	Not used for labelling, multiple DSTs in same play / Lower Cretaceous
14/20b- 21	DST	DST 1A	--	3247.6	3258.3	Label / Lower Cretaceous
14/20b- 21	Mixed shows	OGS	SCAP	3250.692	--	114 m thick
14/20b- 21	Gas shows	GS	Kimmeridge Clay Formation	3364.992	--	45 m thick
14/20b- 21	Gas shows	GS	Zechstein Group	3410.1024	--	31 m thick
14/20b- 21	Gas shows	GS	*	3440.8872	--	40 m thick

Rock Samples (8)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
14/20b- 21	Cuttings	3148.58	3480.82	--	--	.
14/20b- 21	Core #1	3190.65	3197.96	--	--	preserved samples taken .
14/20b- 21	Core #2	3198.27	3198.88	--	--	.
14/20b- 21	Core #3	3250.69	3264.5	--	--	.
14/20b- 21	Core #4	3267.46	3280.11	--	--	.
14/20b- 21	Core #5	3280.26	3286.05	--	--	.
14/20b- 21	Core #6	3287.27	3291.41	--	--	.
14/20b- 21	Core #7	3291.38	3317.44	--	--	.

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
14/20b- 21	119.93879699707031	3484.016357421875	11	0	2026-08-06 07:57:00.843265+00	View Log

Source LAS Manifest (Best Curve per Type)

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14/20b- 21

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	RHOB	CGG Digital Well Logs	2397.7092000000002	3483.4068	7125
caliper	CAL	CGG Digital Well Logs	2396.4900000000002	3464.8140000000003	7011
caliper	CALI	CGG Digital Well Logs	2396.3376000000003	3483.4068	7134
comp_sonic	DT	CGG Digital Well Logs	2396.4900000000002	3471.9768000000004	7058
deep_resistivity	ILD	CGG Digital Well Logs	2397.5568000000003	3481.7304000000004	7115
density_correction	DRHO	CGG Digital Well Logs	2396.4900000000002	3483.4068	7133
gamma_ray	SGR	CGG Digital Well Logs	2390.8512	3474.2628	7110
gamma_ray	CGR	CGG Digital Well Logs	2395.1184000000003	3474.1104	7081
gamma_ray	GR	CGG Digital Well Logs	119.9388	3474.5676000000003	22013
med_resistivity	ILM	CGG Digital Well Logs	2397.252	3481.4256	7115
neutron_por	NPHI	CGG Digital Well Logs	2396.3376000000003	3476.3964	7088
pef	PEF	CGG Digital Well Logs	2396.3376000000003	3483.4068	7134
potassium	POTA	CGG Digital Well Logs	2394.966	3474.1104	7082
shallow_resistivity	SFLU	CGG Digital Well Logs	2397.8616	3481.2732	7110
sp	SP	CGG Digital Well Logs	2397.5568000000003	3484.0164	7130
thorium	THOR	CGG Digital Well Logs	2394.966	3474.2628	7083
uranium	URAN	CGG Digital Well Logs	2394.8136	3474.2628	7084

Survey Inventory (Deviation)

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Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
14/20b- 21	269	3460.700	3010.626	D:\BigSpatial\nsta_raw\CGG_Deviation\14-20b-21 5672cb_CGG-Deviation.xlsx

14/20b- 21

Well Header

Wellbores (1)

Formation Tops (17)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (9)

Rock Samples (8)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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