Well Data Manager / Well Summary / 211/07a- 5

211/07a- 5

Decommissioned

Well Header

Well No

211/07a- 5

NSTA DEN No

4049

Well Name

Drill Seq No

Quadrant / Block

211 / 7 a

Surface Location

61.667302, 1.300869

Source Datum

ED50

Subsea Well

Unknown

Platform

Slot No

Operator

ENQUEST HEATHER LIMITED

Original Operator

Sub Area Operator

ENQUEST HEATHER LIMITED

Licence No

P193

Licence Type

Production

Spud Date

1990-05-01

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (2)

211/07a- 5 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Oil Well

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

26.000

Ground Elev (m)

Water Depth (m)

186.00

TD MD (m)

2910.000

TD TVDSS (m)

2883.930

TD Datum Depth (m)

25.969

TD Datum Type

Kelly Bushing

Spud Date

1990-05-01

TD Reached

1990-05-31

Completion Date

1990-07-19

Release Date

1994-07-19

211/07a- 5Z Sidetrack Z parent: 211/07a- 5

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Oil Well

Dev Type

Convention

Primary Target

Well Seq

WB2

Datum Type

Kelly Bushing

Datum Elev (m)

26.000

Ground Elev (m)

Water Depth (m)

186.00

TD MD (m)

3250.000

TD TVDSS (m)

3198.810

TD Datum Depth (m)

25.908

TD Datum Type

Kelly Bushing

Spud Date

1990-06-01

TD Reached

1990-06-30

Completion Date

1990-07-23

Release Date

1994-07-23

Formation Tops (12)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
211/07a- 5Z	Nordland	Cenozoic	212.000	-26.000	BGS LithoStrat Upper
	Balder	Cenozoic	1338.000	1099.950	BGS LithoStrat Upper
	Balder Tuff Member		1348.000	1109.908	BGS LithoStrat Upper
	Lista	Mesozoic	1382.000	1143.728	BGS LithoStrat Upper
	Shetland	Mesozoic	1487.000	1247.932	BGS LithoStrat Upper
	Kimmeridge Clay		2931.000	2668.204	BGS LithoStrat Upper
	Heather	Mesozoic	2937.000	2674.196	BGS LithoStrat Upper
	Tarbert	Mesozoic	2989.000	2726.124	BGS LithoStrat Upper
	Rannoch	Mesozoic	3012.000	2749.092	BGS LithoStrat Upper
	Dunlin	Mesozoic	3064.000	2801.020	BGS LithoStrat Upper
	Statfjord	Mesozoic	3076.000	2813.003	BGS LithoStrat Upper
	Lunde Formation	Mesozoic	3100.000	2836.969	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
211/07a- 5	0	0	0	0	0	0	5	0	0	View
211/07a- 5Z	0	0	0	12	12	0	0	0	0	View

Hydrocarbon Occurrence (5)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
211/07a- 5Z	Oil shows	OS	Balder Formation	1348.0	--	29 m thick
211/07a- 5Z	Mixed shows	OWGS	Tarbert Formation	2989.0	--	22 m thick
211/07a- 5Z	Mixed shows	OWGS	Rannoch Formation	3011.5	--	32 m thick
211/07a- 5Z	Oil shows	OS	Statfjord Formation	3076.0	--	24 m thick
211/07a- 5Z	Oil shows	OS	LUND	3100.0	--	150 m thick

Rock Samples (5)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
211/07a- 5	Core #1	2906.97	2931.9	--	--	UKCS 187 .
211/07a- 5	Core #2	2996.46	3023.46	--	--	.
211/07a- 5	Core #3	3023.46	3050.47	--	--	.
211/07a- 5	Core #4	3139.96	3167.85	--	--	.
211/07a- 5	Core #5	3166.96	3193.97	--	--	.

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
211/07a- 5	192.481201171875	3247.94873046875	13	0	2026-08-08 01:07:32.133554+00	View Log
211/07a- 5Z	192.63360595703125	3249.929931640625	13	0	2026-08-06 10:38:48.477725+00	View Log

Source LAS Manifest (Best Curve per Type)

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211/07a- 5

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
apparent_water_resistivity	RWA	Energective CorrectedLOGS	788.81511528	3226.42333632	786
bulk_density	DEN	OGA Batch Unzipped	1365.1992	2909.9256	3323
bulk_density	CDEN	Energective CorrectedLOGS	1383.01546104	3247.9114620000005	5330
caliper	CALI	OGA Batch Unzipped	211.836	2909.9256	17305
caliper	CLD	Energective CorrectedLOGS	690.670704	3206.30678016	16508
comp_sonic	DTC	Energective CorrectedLOGS	762.45022008	3237.39598392	16029
comp_sonic	DT	OGA Batch Unzipped	211.836	2836.0116000000003	17072
deep_resistivity	RES_DEP	OGA Batch Unzipped	211.836	2839.974	17146
deep_resistivity	ILD	Energective CorrectedLOGS	751.47757248	3245.47309248	16366
density_correction	CDRH	Energective CorrectedLOGS	1383.47263056	3247.9114620000005	5324
density_correction	DENC	OGA Batch Unzipped	1365.1992	2909.9256	3323
gamma_ray	GRI	Energective CorrectedLOGS	192.4812	3232.82404488	19944
gamma_ray	GR	OGA Batch Unzipped	211.836	2909.9256	17521
med_resistivity	ILM	Energective CorrectedLOGS	752.391942	3245.47309248	16360
med_resistivity	RES_MED	OGA Batch Unzipped	211.836	2843.022	17216
neutron_por	NEU	OGA Batch Unzipped	1365.1992	2909.9256	3289
neutron_por	CNEU	Energective CorrectedLOGS	1378.90069152	3242.42512296	5461
pef	CPEF	Energective CorrectedLOGS	1394.59770864	3247.9114620000005	5250
porosity	POR	Energective CorrectedLOGS	764.1266200800001	3232.82404488	16200
sp	SP	OGA Batch Unzipped	225.85680000000002	2841.8028	11468
tvdss	SS	Energective CorrectedLOGS	192.3288	3248.2162620000004	20053
vshale	VSH	Energective CorrectedLOGS	764.1266200800001	3232.82404488	16200
vshale	VSGR	Energective CorrectedLOGS	764.1266200800001	3232.82404488	16193
water_sat	SW	Energective CorrectedLOGS	764.1266200800001	3232.82404488	16200
water_sat_xo	SXO	Energective CorrectedLOGS	764.1266200800001	3232.82404488	16200

211/07a- 5Z

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
apparent_water_resistivity	RWA	Energective CorrectedLOGS	788.8224	3226.4604	748
bulk_density	LDL	Energective CorrectedLOGS	1383.4872	3248.1012	5287
caliper	CLD	Energective CorrectedLOGS	747.6744	3207.1056000000003	16139
comp_sonic	DTC	Energective CorrectedLOGS	747.522	3249.9300000000003	16399
deep_resistivity	ILD	Energective CorrectedLOGS	753.0084	3243.8340000000003	16345
density_correction	DENC	OGA Batch Unzipped	2900.17211	3222.95532	2119
density_correction	DRH	Energective CorrectedLOGS	1381.6584	3248.1012	5299
gamma_ray	GRI	Energective CorrectedLOGS	192.6336	3232.5564	19941
med_resistivity	ILM	Energective CorrectedLOGS	753.4656	3245.358	16352
neutron_por	CNLC	Energective CorrectedLOGS	1374.9528	3242.31	5258
pef	CPEF	Energective CorrectedLOGS	1394.9172	3247.7964	5210
porosity	PHIT	OGA Batch Unzipped	2830.83011	3222.95532	2574
porosity	POR	Energective CorrectedLOGS	753.0084	3232.404	16270
sp	SP	Energective CorrectedLOGS	747.6744	3114.2940000000003	7555
tvdss	SS	Energective CorrectedLOGS	192.3288	3250.0824000000002	20065
vshale	VSGR	Energective CorrectedLOGS	750.7224	3232.404	16278
vshale	VSH	Energective CorrectedLOGS	750.7224	3232.404	16285
water_sat	SW	Energective CorrectedLOGS	753.0084	3232.404	16270
water_sat	SWT	OGA Batch Unzipped	2830.83011	3222.95532	2574
water_sat_xo	SXO	Energective CorrectedLOGS	753.0084	3232.404	16270

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
211/07a- 5	41	2910.000	2671.929	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_07a- 5\WELL_PATH\WDD_QC\211_07a-_5_wdd_WDD_FILE_1683551_DATACO_MAPPED.csv
211/07a- 5Z	88	3250.000	2986.761	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_07a- 5Z\WELL_PATH\WDD_QC\211_07a-_5Z_wdd_WDD_FILE_1683552_DATACO_MAPPED.csv

211/07a- 5

Well Header

Wellbores (2)

Formation Tops (12)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (5)

Rock Samples (5)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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