Well Data Manager / Well Summary / 211/18-A25

211/18-A25

Present

Well Header

Well No

211/18-A25

NSTA DEN No

1556

Well Name

Drill Seq No

Quadrant / Block

211 / 18

Surface Location

61.362691, 1.577578

Source Datum

ED50

Subsea Well

Platform

Slot No

A-01

Operator

ENQUEST HEATHER LIMITED

Original Operator

Sub Area Operator

ENQUEST HEATHER LIMITED

Licence No

P236

Licence Type

Production

Spud Date

1980-08-04

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (2)

211/18-A25 Original

Abandoned Phase 2 View Log Interpreted Data Survey

Current Intent

Development

Original Intent

Development

Flow Class

Dry Hole

Dev Type

Producer

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

45.110

Ground Elev (m)

Water Depth (m)

161.54

TD MD (m)

3391.660

TD TVDSS (m)

2864.510

TD Datum Depth (m)

44.958

TD Datum Type

Kelly Bushing

Spud Date

1980-08-04

TD Reached

1980-08-31

Completion Date

1980-09-04

Release Date

1984-09-04

211/18-A25Z Sidetrack Z parent: 211/18-A25

Abandoned Phase 2 View Log Interpreted Data Survey

Current Intent

Development

Original Intent

Development

Flow Class

Oil Well

Dev Type

Producer

Convention

Primary Target

Well Seq

WB2

Datum Type

Kelly Bushing

Datum Elev (m)

45.110

Ground Elev (m)

Water Depth (m)

161.54

TD MD (m)

3215.790

TD TVDSS (m)

2789.834

TD Datum Depth (m)

45.110

TD Datum Type

Kelly Bushing

Spud Date

1980-09-05

TD Reached

1980-09-15

Completion Date

1980-09-26

Release Date

1984-09-26

Formation Tops (20)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
211/18-A25	Unknown		2957.000	2911.890	BGS LithoStrat Upper
	Unknown		3076.000	3030.890	BGS LithoStrat Upper
	Red Claystone		3094.000	3048.890	BGS LithoStrat Upper
	Basal Limestone	Palaeozoic	3117.000	3071.890	BGS LithoStrat Upper
	Kimmeridge Clay		3165.000	3119.890	BGS LithoStrat Upper
	Heather	Mesozoic	3169.000	3123.890	BGS LithoStrat Upper
	Brent	Mesozoic	3181.000	3135.890	BGS LithoStrat Upper
	Brent	Mesozoic	3187.000	3141.890	BGS LithoStrat Upper
	Dunlin	Mesozoic	3240.000	3194.890	BGS LithoStrat Upper
	Statfjord	Mesozoic	3262.000	3216.890	BGS LithoStrat Upper
211/18-A25Z	Unknown		2896.000	2850.890	BGS LithoStrat Upper
	Unknown		3007.000	2961.890	BGS LithoStrat Upper
	Red Claystone		3033.000	2987.890	BGS LithoStrat Upper
	Basal Limestone	Palaeozoic	3052.000	3006.890	BGS LithoStrat Upper
	Kimmeridge Clay		3075.000	3029.890	BGS LithoStrat Upper
	Brent	Mesozoic	3100.000	3054.890	BGS LithoStrat Upper
	Brent	Mesozoic	3121.000	3075.890	BGS LithoStrat Upper
	Brent	Mesozoic	3151.000	3105.890	BGS LithoStrat Upper
	Brent	Mesozoic	3173.000	3127.890	BGS LithoStrat Upper
	Brent	Mesozoic	3180.000	3134.890	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
211/18-A25	0	0	0	10	10	0	0	0	0	View
211/18-A25Z	0	0	0	10	10	0	0	0	0	View

Hydrocarbon Occurrence (4)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
211/18-A25Z	Oil shows	OS	Kimmeridge Clay Formation	3075.1272000000004	--	25 m thick
211/18-A25Z	Oil shows	OS	Brent Group	3100.4256	--	21 m thick
211/18-A25Z	Oil	O	Brent Group	3121.4568	--	29 m thick
211/18-A25Z	Oil	O	Brent Group	3150.7176	--	22 m thick

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
211/18-A25	2053.742431640625	3354.62890625	8	0	2026-08-06 11:00:34.282739+00	View Log
211/18-A25Z	2060.143310546875	3220.821533203125	9	0	2026-08-06 11:00:35.96484+00	View Log

Source LAS Manifest (Best Curve per Type)

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211/18-A25

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	DEN	OGA Batch Unzipped	3048.0	3348.6852000000003	1974
bulk_density	CDEN	Energective CorrectedLOGS	3048.0	3354.6288	2013
caliper	CALI	OGA Batch Unzipped	3048.0	3348.6852000000003	1974
caliper	CLD	Energective CorrectedLOGS	3048.0	3349.1424	1977
comp_sonic	DTC	Energective CorrectedLOGS	2089.2516	3338.6268	8199
comp_sonic	DT	OGA Batch Unzipped	3048.0	3348.6852000000003	1974
deep_resistivity	RES_DEP	OGA Batch Unzipped	2080.1076000000003	3348.6852000000003	8325
deep_resistivity	ILD	Energective CorrectedLOGS	2082.5460000000003	3348.228	8306
density_correction	DENC	OGA Batch Unzipped	3048.0	3348.6852000000003	1974
density_correction	CDRH	Energective CorrectedLOGS	3048.0	3354.4764	2012
gamma_ray	GR	OGA Batch Unzipped	2053.7424	3348.6852000000003	8498
gamma_ray	GRI	Energective CorrectedLOGS	2053.7424	3348.8376000000003	8499
med_resistivity	RES_MED	OGA Batch Unzipped	2080.1076000000003	3348.6852000000003	8325
med_resistivity	ILM	Energective CorrectedLOGS	2082.5460000000003	3350.3616	8320
neutron_por	NEU	OGA Batch Unzipped	3048.0	3348.6852000000003	1974
neutron_por	CNEU	Energective CorrectedLOGS	3048.0	3350.514	1986
tvdss	SS	Energective CorrectedLOGS	2053.7424	3354.9336000000003	8539

211/18-A25Z

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	CDEN	Energective CorrectedLOGS	2984.7540000000004	3220.8216	1550
bulk_density	DEN	OGA Batch Unzipped	2984.7540000000004	3221.2788	1553
caliper	CALI	OGA Batch Unzipped	2984.7540000000004	3221.2788	1553
caliper	CLD	Energective CorrectedLOGS	2984.7540000000004	3220.212	1546
comp_sonic	DTC	Energective CorrectedLOGS	2081.3268000000003	3206.3436	7383
comp_sonic	DT	OGA Batch Unzipped	2081.6316	3220.8216	7476
deep_resistivity	ILD	Energective CorrectedLOGS	2081.3268000000003	3216.8592000000003	7452
deep_resistivity	RES_DEP	OGA Batch Unzipped	2060.1432	3220.8216	7504
density_correction	CDRH	Energective CorrectedLOGS	2984.7540000000004	3220.8216	1548
density_correction	DENC	OGA Batch Unzipped	2984.7540000000004	3221.2788	1553
gamma_ray	GRI	Energective CorrectedLOGS	2060.1432	3211.2204	7554
gamma_ray	GR	OGA Batch Unzipped	2060.1432	3211.068	7553
med_resistivity	RES_MED	OGA Batch Unzipped	2060.1432	3220.8216	7504
med_resistivity	ILM	Energective CorrectedLOGS	2081.3268000000003	3217.0116000000003	7453
neutron_por	CNEU	Energective CorrectedLOGS	2984.7540000000004	3217.9260000000004	1531
neutron_por	NEU	OGA Batch Unzipped	2984.7540000000004	3221.2788	1553
tvdss	SS	Energective CorrectedLOGS	2060.1432	3221.1264	7619
vshale	VSGR	Energective CorrectedLOGS	2081.6316	3211.2204	7413
vshale	VSH	Energective CorrectedLOGS	2081.6316	3211.2204	7413

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
211/18-A25	0	--	--	--
211/18-A25Z	0	--	--	--

211/18-A25

Well Header

Wellbores (2)

Formation Tops (20)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (4)

Rock Samples (0)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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