Well Data Manager / Well Summary / 211/12a- 12

211/12a- 12

Decommissioned

Well Header

Well No

211/12a- 12

NSTA DEN No

1675

Well Name

Drill Seq No

Quadrant / Block

211 / 12 a

Surface Location

61.575787, 1.285090

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

Original Operator

Sub Area Operator

ENQUEST HEATHER LIMITED

Licence No

P193

Licence Type

Production

Spud Date

1981-04-11

Source File

UKCS_Wells_ConvtoWGS84.shp

Imported

2026-05-22 15:28

Wellbores (2)

211/12a- 12A Sidetrack A parent: 211/12a- 12J

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Development

Original Intent

Development

Flow Class

Oil Well

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

25.000

Ground Elev (m)

Water Depth (m)

181.97

TD MD (m)

3252.000

TD TVDSS (m)

TD Datum Depth (m)

25.000

TD Datum Type

Rotary Table

Spud Date

1981-04-11

TD Reached

1981-05-30

Completion Date

1981-06-14

Release Date

1985-06-14

211/12a- 12J Sidetrack J

Abandoned Phase 3 Survey

Current Intent

Development

Original Intent

Development

Flow Class

Dev Type

Producer

Convention

Conventional

Primary Target

Well Seq

Datum Type

Rotary Table

Datum Elev (m)

25.000

Ground Elev (m)

Water Depth (m)

182.00

TD MD (m)

300.000

TD TVDSS (m)

TD Datum Depth (m)

TD Datum Type

Spud Date

1981-04-07

TD Reached

1981-04-10

Completion Date

1981-04-10

Release Date

1985-04-10

Formation Tops (2)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
211/12a- 12A	Shetland	Mesozoic	1653.000	1420.872	Ternan
	Magnus Sst		3149.000	2916.233	Ternan

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
211/12a- 12A	0	0	0	13	2	0	0	1	0	View
211/12a- 12J	0	0	0	0	0	0	0	0	0

Hydrocarbon Occurrence (2)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
211/12a- 12A	Oil shows	OS	Kimmeridge Clay Formation	3079.1505600000005	--	69 m thick
211/12a- 12A	Oil	O	Magnus Sandstone Member	3148.452936	--	61 m thick

Rock Samples (1)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
211/12a- 12A	Cuttings	830.0	3251.97	--	--	.

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
211/12a- 12A	284.22601318359375	3256.751708984375	13	0	2026-08-06 10:42:58.946562+00	View Log

Source LAS Manifest (Best Curve per Type)

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211/12a- 12A

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
apparent_water_resistivity	RWA	Energective CorrectedLOGS	929.02250568	3207.98427744	690
bulk_density	CDEN	Energective CorrectedLOGS	1766.7550948800001	3256.75166784	9778
caliper	CALI	OGA Batch Unzipped	3036.4176	3263.9508	1494
caliper	CLD	Energective CorrectedLOGS	1778.4897424800001	3222.6144945600004	9477
comp_sonic	DTC	Energective CorrectedLOGS	1767.3646644	3243.64545072	9685
comp_sonic	DT	OGA Batch Unzipped	816.10199	3241.24308	14361
deep_resistivity	ILD	Energective CorrectedLOGS	816.09550776	3252.6369288	14486
deep_resistivity	LLD	Energective CorrectedLOGS	3051.4713976800003	3249.5889592800004	1301
density_correction	DENC	OGA Batch Unzipped	3039.46549	3256.33068	1424
density_correction	CDRH	Energective CorrectedLOGS	3051.1665976800005	3256.4468678400003	1347
gamma_ray	GRI	Energective CorrectedLOGS	284.226	3250.04615928	19462
micro_resistivity	MSF	Energective CorrectedLOGS	3051.1665976800005	3250.9605592800003	1312
neutron_por	CNEU	Energective CorrectedLOGS	3039.5843196	3251.7225288	1393
porosity	POR	Energective CorrectedLOGS	816.09550776	3249.5889592800004	14466
shallow_resistivity	LLS	Energective CorrectedLOGS	3051.1665976800005	3249.2841592800005	1301
shallow_resistivity	SFL	Energective CorrectedLOGS	1766.7550948800001	3252.0273288	9747
sp	SP	Energective CorrectedLOGS	1769.0410644	3256.75166784	9763
tvdss	SS	Energective CorrectedLOGS	284.0736	3256.75166784	19507
vshale	VSH	Energective CorrectedLOGS	284.226	3249.5889592800004	19459
vshale	VSGR	Energective CorrectedLOGS	284.226	3249.5889592800004	19459
water_sat	SWT	OGA Batch Unzipped	3130.14349	3245.05308	755
water_sat	SW	Energective CorrectedLOGS	816.09550776	3249.5889592800004	14466
water_sat_xo	SXO	Energective CorrectedLOGS	816.09550776	3249.5889592800004	14466

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
211/12a- 12A	96	3252.000	3019.135	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_12a- 12A\WELL_PATH\WDD_QC\211_12a-_12A_wdd_WDD_FILE_1683558_DATACO_MAPPED.csv
211/12a- 12J	0	--	--	--

211/12a- 12

Well Header

Wellbores (2)

Formation Tops (2)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (2)

Rock Samples (1)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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