Well Data Manager / Well Summary / 211/12a-M35

211/12a-M35

Present

Well Header

Well No

211/12a-M35

NSTA DEN No

6245

Well Name

Drill Seq No

Quadrant / Block

211 / 12 a

Surface Location

61.619625, 1.305427

Source Datum

ED50

Subsea Well

Platform

Slot No

B-5

Operator

ENQUEST HEATHER LIMITED

Original Operator

Sub Area Operator

ENQUEST HEATHER LIMITED

Licence No

P193

Licence Type

Production

Spud Date

1997-10-10

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (2)

211/12a-M35 Original parent: 211/12a-M20

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

WB3

Datum Type

Kelly Bushing

Datum Elev (m)

57.000

Ground Elev (m)

Water Depth (m)

185.00

TD MD (m)

5281.000

TD TVDSS (m)

3109.000

TD Datum Depth (m)

57.000

TD Datum Type

Kelly Bushing

Spud Date

1997-10-10

TD Reached

1997-10-19

Completion Date

1997-10-20

Release Date

2001-10-20

211/12a-M35Z Sidetrack Z parent: 211/12a-M35

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

WB4

Datum Type

Kelly Bushing

Datum Elev (m)

57.000

Ground Elev (m)

Water Depth (m)

185.00

TD MD (m)

5238.000

TD TVDSS (m)

3122.920

TD Datum Depth (m)

57.000

TD Datum Type

Kelly Bushing

Spud Date

1997-10-21

TD Reached

1997-10-25

Completion Date

1997-11-21

Release Date

2001-11-21

Formation Tops (0)

No formation tops ingested for this well.

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-M35	0	0	0	0	0	0	0	1	0	View
211/12a-M35Z	0	0	0	0	0	0	0	1	0	View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (2)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
211/12a-M35	Cuttings	5050.0	5285.0	--	--	wet samples
211/12a-M35Z	Cuttings	5020.0	5235.0	--	--	wet samples

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
211/12a-M35	4712.5126953125	5287.67041015625	8	0	2026-08-08 01:16:27.913215+00	View Log
211/12a-M35Z	4652.77197265625	5226.40576171875	12	0	2026-08-08 01:16:29.960513+00	View Log

Source LAS Manifest (Best Curve per Type)

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211/12a-M35

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
comp_sonic	DT	OGA Batch Unzipped	4712.36035	5287.67041	3772
comp_sonic	DTC	Energective CorrectedLOGS	4717.54193904	5287.5109896	3737
deep_resistivity	CRSD	Energective CorrectedLOGS	4721.65667808	5287.5109896	3714
gamma_ray	GRI	Energective CorrectedLOGS	4712.5128	5287.5109896	3774
porosity	PHIT	OGA Batch Unzipped	5271.21121	5272.43041	9
shallow_resistivity	RES_SLW	OGA Batch Unzipped	4721.65675	5287.67041	3715
tvdss	SS	Energective CorrectedLOGS	4712.2080000000005	5287.6633896	3777
vshale	VSGR	Energective CorrectedLOGS	4719.06590856	5287.20622008	3729
vshale	VSH	Energective CorrectedLOGS	4719.06590856	5287.20622008	3726
water_sat	SWT	OGA Batch Unzipped	5271.21121	5272.43041	9

211/12a-M35Z

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	CDEN	Energective CorrectedLOGS	4711.597668480001	5203.0816944	3226
caliper	CLD	Energective CorrectedLOGS	4996.27742424	5207.806033440001	1389
deep_resistivity	AT90	Energective CorrectedLOGS	4718.30320752	5226.24622008	3334
density_correction	DENC	OGA Batch Unzipped	5029.50439	5203.54535	1143
density_correction	CDRH	Energective CorrectedLOGS	4711.597668480001	5202.9292944	3225
gamma_ray	GRI	Energective CorrectedLOGS	4652.772	5193.93781632	3552
med_resistivity	AT60	Energective CorrectedLOGS	4717.84600752	5225.63662008	3333
med_resistivity	AT20	Energective CorrectedLOGS	4717.38880752	5226.39862008	3341
med_resistivity	AT30	Energective CorrectedLOGS	4717.69360752	5225.78902008	3335
neutron_por	CNEU	Energective CorrectedLOGS	4710.835698960001	5197.13818584	3192
pef	CPEF	Energective CorrectedLOGS	4710.835698960001	5202.7768944	3227
porosity	PHIT	OGA Batch Unzipped	5029.50439	5202.78335	1138
shallow_resistivity	AT10	Energective CorrectedLOGS	4717.69360752	5226.24622008	3338
tvdss	SS	Energective CorrectedLOGS	4652.4672	5226.70342008	3769
vshale	VSGR	Energective CorrectedLOGS	4718.15080752	5193.32821632	3119
vshale	VSH	Energective CorrectedLOGS	4718.15080752	5193.32821632	3119
water_sat	SWT	OGA Batch Unzipped	5029.65679	5202.78335	1122

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
211/12a-M35	285	5281.800	2864.439	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_12a-M35\WELL_PATH\WDD_QC\211_12a-M35_wdd_WDD_FILE_1683605_DATACO_MAPPED.csv
211/12a-M35Z	283	5238.000	2884.350	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_12a-M35Z\WELL_PATH\WDD_QC\211_12a-M35Z_wdd_WDD_FILE_1683606_DATACO_MAPPED.csv

211/12a-M35

Well Header

Wellbores (2)

Formation Tops (0)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (0)

Rock Samples (2)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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