Well Data Manager / Well Summary / 21/30- 5

21/30- 5

Decommissioned

Well Header

Well No

21/30- 5

NSTA DEN No

1900

Well Name

Drill Seq No

Quadrant / Block

21 / 30

Surface Location

57.163476, 0.845206

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

ANASURIA OPERATING COMPANY LIMITED

Original Operator

Sub Area Operator

ANASURIA OPERATING COMPANY LIMITED

Licence No

P13

Licence Type

Production

Spud Date

1982-04-20

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

21/30- 5 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)

25.603

Ground Elev (m)

Water Depth (m)

93.57

TD MD (m)

2971.800

TD TVDSS (m)

2943.450

TD Datum Depth (m)

25.603

TD Datum Type

Kelly Bushing

Spud Date

1982-04-20

TD Reached

1982-05-27

Completion Date

1982-06-11

Release Date

1986-06-11

Formation Tops (21)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
21/30- 5	Balder Tuff	Cenozoic	1838.000	1812.335	Lloyds Register
	Balder	Cenozoic	1838.000	1812.335	Lloyds Register
	Moray	Mesozoic	1838.000	1812.335	Lloyds Register
	Sele	Mesozoic	1875.000	1849.314	Lloyds Register
	Forties Sandstone	Mesozoic	1911.000	1885.286	Lloyds Register
	Montrose	Mesozoic	1955.000	1929.255	Lloyds Register
	Lista	Mesozoic	1955.000	1929.255	Lloyds Register
	Balmoral Sandstone	Cenozoic	1955.000	1929.255	Lloyds Register
	Maureen	Mesozoic	2087.000	2061.214	Lloyds Register
	Chalk	Mesozoic	2100.000	2074.212	Lloyds Register
	Ekofisk	Mesozoic	2100.000	2074.212	Lloyds Register
	Upper Cretaceous Chalk	Mesozoic	2127.000	2101.201	Lloyds Register
	Cromer Knoll	Mesozoic	2373.000	2346.811	Lloyds Register
	Valhall	Mesozoic	2373.000	2346.811	Lloyds Register
	Kimmeridge Clay		2448.000	2421.537	Lloyds Register
	Humber	Mesozoic	2448.000	2421.537	Lloyds Register
	Fulmar	Mesozoic	2681.000	2653.663	Lloyds Register
	Heron	Palaeozoic	2742.000	2714.432	Lloyds Register
	Smith Bank	Mesozoic	2742.000	2714.432	Lloyds Register
	Zechstein	Palaeozoic	2847.000	2819.034	Lloyds Register
	Turbot Anhydrite	Palaeozoic	2847.000	2819.034	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
21/30- 5	7	11	3	16	21	1	3	1	0	View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (12)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
21/30- 5	Cuttings	618.74	2968.75	--	--	.
21/30- 5	Core #1	2694.13	2708.45	--	--	.
21/30- 5	Core #2	2708.45	2727.05	φ 20.6% (n=5) · Kh 130.0 mD (n=5) · Density 2.70 (n=5) · CORE LABORATORIES	NO ANALYSIS \| SS GY FG SIL CMT; SS GY FG SIL CMT W/TR MICA; SS GY VF-FG SIL CMT PY	.
21/30- 5	↳ Core Plug #2	2708.453	--	--	NO ANALYSIS	--
21/30- 5	↳ Plug 01	2711.196	--	φ 15.7% · Kh 1.1 mD · Density 2.78 · CORE LABORATORIES	SS GY VF-FG SIL CMT PY	--
21/30- 5	↳ Plug 02	2714.549	--	φ 18.6% · Kh 3.0 mD · Density 2.66 · CORE LABORATORIES	SS GY FG SIL CMT	--
21/30- 5	↳ Plug 03	2717.597	--	φ 16.7% · Kh 3.0 mD · Density 2.69 · CORE LABORATORIES	SS GY FG SIL CMT W/TR MICA	--
21/30- 5	↳ Plug 04	2720.34	--	φ 26.2% · Kh 169.0 mD · Density 2.68 · CORE LABORATORIES	SS GY FG SIL CMT	--
21/30- 5	↳ Plug 05	2723.693	--	φ 25.6% · Kh 474.0 mD · Density 2.68 · CORE LABORATORIES	SS GY FG SIL CMT	--
21/30- 5	Core #3	2727.05	2740.46	--	NO ANALYSIS	.
21/30- 5	↳ Core Plug #3	2727.96	--	--	NO ANALYSIS	--
21/30- 5	↳ Core Plug #3	2740.457	--	--	NO ANALYSIS	--

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
21/30- 5	186.23280334472656	2951.683349609375	8	0	2026-08-06 17:30:07.992026+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

21/30- 5

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	DEN	CGG Digital Well Logs	1797.8628	2951.6832	7572
caliper	CAL	CGG Digital Well Logs	1798.1676	2933.3952	7450
caliper	CALI	CGG Digital Well Logs	1797.2532	2951.6832	7576
comp_sonic	AC	CGG Digital Well Logs	196.596	2941.9296	17978
deep_resistivity	RILD	CGG Digital Well Logs	198.2724	2923.1844	17873
density_correction	CORR	CGG Digital Well Logs	1799.3868	2951.5308	7561
gamma_ray	GR	CGG Digital Well Logs	186.2328	2938.4244000000003	18060
gamma_ray	GRD	CGG Digital Well Logs	1794.2052	2355.7992	3686
neutron_por	CNC	CGG Digital Well Logs	2346.8076	2947.8732	3945
sp	SP	CGG Digital Well Logs	195.6816	2947.5684	6689

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
21/30- 5	76	2971.800	2943.360	D:\BigSpatial\nsta_raw\CGG_Deviation\21-30-5 4262ah-CGG_deviation.xlsx

21/30- 5

Well Header

Wellbores (1)

Formation Tops (21)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (0)

Rock Samples (12)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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