Well Data Manager / Well Summary / 211/18a- 20

211/18a- 20

Decommissioned

Well Header

Well No

211/18a- 20

NSTA DEN No

1409

Well Name

Drill Seq No

Quadrant / Block

211 / 18 a

Surface Location

61.401478, 1.535802

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

ENQUEST HEATHER LIMITED

Original Operator

Sub Area Operator

ENQUEST HEATHER LIMITED

Licence No

P236

Licence Type

Production

Spud Date

1979-10-04

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

211/18a- 20 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)

19.510

Ground Elev (m)

Water Depth (m)

173.74

TD MD (m)

3301.289

TD TVDSS (m)

3048.914

TD Datum Depth (m)

24.994

TD Datum Type

Kelly Bushing

Spud Date

1979-10-04

TD Reached

1979-11-18

Completion Date

1979-12-08

Release Date

1983-12-08

Formation Tops (4)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
211/18a- 20	Shetland	Mesozoic	1800.000	1780.490	Ternan
	Brent	Mesozoic	3031.000	3011.490	Ternan
	Cook	Mesozoic	3192.000	3172.490	Ternan
	Nansen	Mesozoic	3285.000	3265.490	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
211/18a- 20	0	0	0	14	4	0	1	1	0	View

Hydrocarbon Occurrence (1)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
211/18a- 20	Mixed shows	OGS	*	1003.4016	--	796 m thick

Rock Samples (44)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
211/18a- 20	Cuttings	569.37	3300.98	--	--	.
211/18a- 20	Core #1	3044.65	3059.89	φ 16.3% (n=42) · Kh 20.4 mD (n=31) · Kv 27.0 mD (n=30) · So 0.0% (n=10) · Sw 74.6% (n=10) · Density 2.69 (n=32) · REDWOOD	--	well re-boxed (originally curated Jan`82)
211/18a- 20	↳ Plug 1	3044.8	--	φ 20.4% · So 0.0% · Sw 88.7% · REDWOOD	--	--
211/18a- 20	↳ Plug 2	3044.952	--	φ 20.2% · Kh 16.5 mD · Kv 7.9 mD · Density 2.65 · REDWOOD	--	--
211/18a- 20	↳ Plug 3	3045.104	--	φ 20.8% · So 0.0% · Sw 76.0% · REDWOOD	--	--
211/18a- 20	↳ Plug 3	3045.156	--	φ 18.2% · Kh 8.7 mD · Kv 4.8 mD · Density 2.66 · REDWOOD	--	--
211/18a- 20	↳ Plug 4	3045.562	--	φ 8.3% · Kh 0.3 mD · Kv 0.6 mD · Density 2.71 · REDWOOD	--	--
211/18a- 20	↳ Plug 4	3045.714	--	φ 8.1% · So 0.0% · Sw 80.6% · REDWOOD	--	--
211/18a- 20	↳ Plug 5	3045.866	--	φ 19.5% · Kh 20.5 mD · Kv 10.5 mD · Density 2.64 · REDWOOD	--	--
211/18a- 20	↳ Plug 5	3046.019	--	φ 18.2% · So 0.0% · Sw 79.3% · REDWOOD	--	--
211/18a- 20	↳ Plug 6	3046.171	--	φ 12.6% · Kh 3.4 mD · Kv 3.2 mD · Density 2.65 · REDWOOD	--	--
211/18a- 20	↳ Plug 6	3046.324	--	φ 15.6% · So 0.0% · Sw 74.2% · REDWOOD	--	--
211/18a- 20	↳ Plug 7	3046.476	--	φ 13.6% · Kh 4.3 mD · Kv 2.9 mD · Density 2.67 · REDWOOD	--	--
211/18a- 20	↳ Plug 7	3046.628	--	φ 15.2% · So 0.0% · Sw 77.0% · REDWOOD	--	--
211/18a- 20	↳ Plug 8	3046.781	--	φ 12.5% · Kh 2.2 mD · Kv 1.0 mD · Density 2.68 · REDWOOD	--	--
211/18a- 20	↳ Plug 8	3046.933	--	φ 8.6% · So 0.0% · Sw 65.7% · REDWOOD	--	--
211/18a- 20	↳ Plug 9	3047.086	--	φ 12.8% · Kh 1.5 mD · Kv 1.0 mD · Density 2.69 · REDWOOD	--	--
211/18a- 20	↳ Plug 9	3047.238	--	φ 15.0% · So 0.0% · Sw 64.8% · REDWOOD	--	--
211/18a- 20	↳ Plug 10	3047.39	--	φ 10.0% · Kh 2.2 mD · Density 2.71 · REDWOOD	--	--
211/18a- 20	↳ Plug 10	3047.543	--	φ 15.2% · So 0.0% · Sw 74.6% · REDWOOD	--	--
211/18a- 20	↳ Plug 11	3047.695	--	φ 10.1% · Kh 1.1 mD · Kv 0.4 mD · Density 2.70 · REDWOOD	--	--
211/18a- 20	↳ Plug 11	3047.848	--	φ 16.4% · So 0.0% · Sw 65.2% · REDWOOD	--	--
211/18a- 20	↳ Plug 12	3048.0	--	φ 16.2% · Kh 6.2 mD · Kv 3.5 mD · Density 2.79 · REDWOOD	--	--
211/18a- 20	↳ Plug 13	3050.286	--	φ 9.8% · Kh 1.6 mD · Kv 1.5 mD · Density 2.67 · REDWOOD	--	--
211/18a- 20	↳ Plug 14	3050.438	--	φ 11.4% · Kv 0.1 mD · Density 2.70 · REDWOOD	--	--
211/18a- 20	↳ Plug 15	3050.743	--	φ 12.5% · Kh 0.5 mD · Kv 0.1 mD · Density 2.71 · REDWOOD	--	--
211/18a- 20	↳ Plug 16	3051.962	--	φ 92.7% · Kh 24.0 mD · Kv 92.7 mD · Density 2.66 · REDWOOD	--	--
211/18a- 20	↳ Plug 17	3052.267	--	φ 19.2% · Kh 7.2 mD · Kv 6.6 mD · Density 2.66 · REDWOOD	--	--
211/18a- 20	↳ Plug 18	3052.877	--	φ 10.1% · Kh 0.2 mD · Kv 0.0 mD · Density 2.80 · REDWOOD	--	--
211/18a- 20	↳ Plug 19	3053.182	--	φ 11.6% · Kh 0.2 mD · Kv 0.1 mD · Density 2.57 · REDWOOD	--	--
211/18a- 20	↳ Plug 20	3053.791	--	φ 10.3% · Kh 0.2 mD · Kv 0.1 mD · Density 2.63 · REDWOOD	--	--
211/18a- 20	↳ Plug 21	3054.096	--	φ 9.4% · Kh 0.1 mD · Kv 0.1 mD · Density 2.63 · REDWOOD	--	--
211/18a- 20	↳ Plug 22	3054.401	--	φ 5.3% · Kh 0.0 mD · Kv 0.0 mD · Density 3.23 · REDWOOD	--	--
211/18a- 20	↳ Plug 23	3054.706	--	φ 12.4% · Kh 0.2 mD · Kv 0.1 mD · Density 2.71 · REDWOOD	--	--
211/18a- 20	↳ Plug 24	3055.01	--	φ 9.5% · Kh 0.2 mD · Density 2.69 · REDWOOD	--	--
211/18a- 20	↳ Plug 25	3055.62	--	φ 21.5% · Kh 193.0 mD · Kv 346.0 mD · Density 2.66 · REDWOOD	--	--
211/18a- 20	↳ Plug 26	3055.925	--	φ 23.5% · Kh 119.0 mD · Kv 89.3 mD · Density 2.66 · REDWOOD	--	--
211/18a- 20	↳ Plug 27	3056.23	--	φ 19.3% · Kh 7.7 mD · Kv 2.0 mD · Density 2.68 · REDWOOD	--	--
211/18a- 20	↳ Plug 28	3056.534	--	φ 14.4% · Kh 0.7 mD · Kv 0.5 mD · Density 2.67 · REDWOOD	--	--
211/18a- 20	↳ Plug 29	3056.839	--	φ 9.7% · Kh 0.2 mD · Kv 0.1 mD · Density 2.67 · REDWOOD	--	--
211/18a- 20	↳ Plug 30	3057.144	--	φ 22.6% · Kh 6.3 mD · Kv 3.7 mD · Density 2.65 · REDWOOD	--	--
211/18a- 20	↳ Plug 31	3057.473	--	φ 24.2% · Kh 15.2 mD · Kv 8.7 mD · Density 2.65 · REDWOOD	--	--
211/18a- 20	↳ Plug 32	3057.754	--	φ 15.0% · Kh 0.7 mD · Kv 0.8 mD · Density 2.65 · REDWOOD	--	--
211/18a- 20	↳ Plug 33	3058.973	--	φ 14.6% · Kh 189.0 mD · Kv 222.0 mD · Density 2.65 · REDWOOD	--	--

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
211/18a- 20	548.6400146484375	3307.842041015625	10	0	2026-08-06 11:03:41.708412+00	View Log

Source LAS Manifest (Best Curve per Type)

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211/18a- 20

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	CDEN	Energective CorrectedLOGS	2895.1428	3307.5372	2707
bulk_density	DEN	OGA Batch Unzipped	2895.7524000000003	3304.3368	2682
caliper	CALI	OGA Batch Unzipped	2895.7524000000003	3304.3368	2682
caliper	CLD	Energective CorrectedLOGS	2892.552	3263.9508	2438
comp_sonic	DTC	Energective CorrectedLOGS	573.9384	3293.5164	14466
comp_sonic	DT	OGA Batch Unzipped	565.404	3304.1844	14640
deep_resistivity	ILD	Energective CorrectedLOGS	564.9468	3301.4412	14577
deep_resistivity	RES_DEP	OGA Batch Unzipped	565.404	3304.1844	14650
density_correction	DENC	OGA Batch Unzipped	2895.7524000000003	3304.3368	2682
density_correction	CDRH	Energective CorrectedLOGS	2895.2952	3307.842	2708
gamma_ray	GRI	Energective CorrectedLOGS	548.64	3284.6772	14665
gamma_ray	GR	OGA Batch Unzipped	542.544	3313.1760000000004	14912
neutron_por	NEU	OGA Batch Unzipped	2895.7524000000003	3304.3368	2682
neutron_por	CNEU	Energective CorrectedLOGS	2895.1428	3307.0800000000004	2704
shallow_resistivity	RES_SLW	OGA Batch Unzipped	565.404	3304.1844	14650
shallow_resistivity	SFL	Energective CorrectedLOGS	564.7944	3302.2032000000004	14583
sp	SP	Energective CorrectedLOGS	563.7276	3307.2324000000003	14730
tvdss	SS	Energective CorrectedLOGS	548.64	3307.9944	18107
vshale	VSGR	Energective CorrectedLOGS	568.6044	3284.3724	14322
vshale	VSH	Energective CorrectedLOGS	568.6044	3284.3724	14322

Survey Inventory (Deviation)

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Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
211/18a- 20	0	--	--	--

211/18a- 20

Well Header

Wellbores (1)

Formation Tops (4)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (1)

Rock Samples (44)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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