Well Data Manager / Well Summary / 211/18a- 26

211/18a- 26

Present

Well Header

Well No

211/18a- 26

NSTA DEN No

18544

Well Name

Drill Seq No

Quadrant / Block

211 / 18 a

Surface Location

61.466780, 1.532219

Source Datum

ED50

Subsea Well

Yes

Platform

Slot No

Operator

ENQUEST HEATHER LIMITED

Original Operator

Sub Area Operator

ENQUEST HEATHER LIMITED

Licence No

P236

Licence Type

Production

Spud Date

2007-11-04

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (2)

211/18a- 26 Original

Abandoned Phase 1 View Log Interpreted Data Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Oil Well

Dev Type

Convention

Primary Target

DRA

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

19.510

Ground Elev (m)

Water Depth (m)

173.74

TD MD (m)

3458.870

TD TVDSS (m)

3393.034

TD Datum Depth (m)

25.298

TD Datum Type

Rotary Table

Spud Date

2007-11-04

TD Reached

2007-12-08

Completion Date

2007-12-16

Release Date

2011-12-16

211/18a- 26Z Sidetrack Z parent: 211/18a- 26

Abandoned Phase 1 Survey

Current Intent

Development

Original Intent

Development

Flow Class

Oil Well

Dev Type

Producer

Convention

Primary Target

DR2

Well Seq

WB2

Datum Type

Rotary Table

Datum Elev (m)

25.298

Ground Elev (m)

Water Depth (m)

173.74

TD MD (m)

4608.576

TD TVDSS (m)

3453.689

TD Datum Depth (m)

25.298

TD Datum Type

Rotary Table

Spud Date

2009-02-13

TD Reached

2009-02-27

Completion Date

2010-02-03

Release Date

2014-02-03

Formation Tops (14)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
211/18a- 26	Unknown		195.000	175.490	BGS LithoStrat Upper
	Miocene Sand		949.000	929.490	BGS LithoStrat Upper
	Undifferentiated	Cenozoic	989.000	969.490	BGS LithoStrat Upper
	Balder	Cenozoic	1546.000	1526.490	BGS LithoStrat Upper
	Lista	Mesozoic	1574.000	1554.490	BGS LithoStrat Upper
	Shetland	Mesozoic	1711.000	1691.490	BGS LithoStrat Upper
	Cromer Knoll	Mesozoic	3133.000	3113.490	BGS LithoStrat Upper
	Kimmeridge Clay		3175.000	3155.490	BGS LithoStrat Upper
	Heather	Mesozoic	3256.000	3236.490	BGS LithoStrat Upper
	Tarbert	Mesozoic	3309.000	3289.490	BGS LithoStrat Upper
	Ness	Mesozoic	3326.000	3306.490	BGS LithoStrat Upper
	Statfjord	Mesozoic	3331.000	3311.490	BGS LithoStrat Upper
	Cormorant	Mesozoic	3336.000	3316.490	BGS LithoStrat Upper
	Undifferentiated	Cenozoic	3404.000	3384.490	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
211/18a- 26	0	0	0	14	14	0	0	0	0	View
211/18a- 26Z	0	0	0	0	0	0	0	0	0

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

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
211/18a- 26	69.95159912109375	3467.709716796875	15	0	2026-08-06 11:04:43.903202+00	View Log

Source LAS Manifest (Best Curve per Type)

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211/18a- 26

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
apparent_water_resistivity	RWA	Energective CorrectedLOGS	114.30000000000001	3434.0292	863
bulk_density	LDL	Energective CorrectedLOGS	1886.4072	3465.7284	10364
cable_tension	TNS	Energective CorrectedLOGS	1834.8960000000002	3467.7096	10715
caliper	CLD	Energective CorrectedLOGS	1802.5872000000002	3467.7096	10927
caliper	CALI	OGA Batch Unzipped	1802.5872000000002	3467.4048000000003	10925
comp_sonic	DTC	Energective CorrectedLOGS	1815.846	3457.6512000000002	10772
deep_resistivity	RES_DEP	OGA Batch Unzipped	1802.5872000000002	3467.4048000000003	10925
deep_resistivity	AF90	Energective CorrectedLOGS	201.168	3467.7096	21363
deep_resistivity	RT	Energective CorrectedLOGS	196.9008	3467.7096	21345
deep_resistivity	AO90	Energective CorrectedLOGS	1893.8748	3467.7096	10328
deep_resistivity	AT90	Energective CorrectedLOGS	101.6508	3467.5572	22087
density_correction	DRH	Energective CorrectedLOGS	69.9516	3466.0332000000003	22285
density_correction	DENC	OGA Batch Unzipped	1802.5872000000002	3466.1856000000002	10917
gamma_ray	GRI	Energective CorrectedLOGS	69.9516	3439.3632000000002	22110
gamma_ray	GRD	Energective CorrectedLOGS	69.9516	3439.2108000000003	22109
med_resistivity	AT20	Energective CorrectedLOGS	1893.8748	3467.7096	10328
med_resistivity	AT60	Energective CorrectedLOGS	99.5172	3467.5572	22101
med_resistivity	AT30	Energective CorrectedLOGS	1892.046	3467.7096	10340
med_resistivity	AF30	Energective CorrectedLOGS	1890.0648	3467.7096	10353
med_resistivity	AO30	Energective CorrectedLOGS	1888.236	3467.7096	10365
med_resistivity	RES_MED	OGA Batch Unzipped	1802.5872000000002	3467.4048000000003	10925
micro_resistivity	MINV	Energective CorrectedLOGS	69.9516	3467.5572	22295
micro_resistivity	MNOR	Energective CorrectedLOGS	69.9516	3467.5572	22295
neutron_por	CNLC	Energective CorrectedLOGS	1802.5872000000002	3427.7808	10665
neutron_por	NEU	OGA Batch Unzipped	1802.5872000000002	3467.4048000000003	10925
neutron_por	TNPH	Energective CorrectedLOGS	1802.5872000000002	3435.4008000000003	10715
neutron_por	CNEU	Energective CorrectedLOGS	69.9516	1887.1692	11844
pef	PEF	Energective CorrectedLOGS	1931.8224	3435.5532000000003	9868
porosity	POR	Energective CorrectedLOGS	1890.2172	3438.906	10163
rate_of_penetration	ROP	Energective CorrectedLOGS	195.3768	2097.3288000000002	12481
rxo_resistivity	RXO	Energective CorrectedLOGS	1897.6848	3467.7096	10303
shallow_resistivity	AT10	Energective CorrectedLOGS	1895.856	3467.7096	10315
shallow_resistivity	AF10	Energective CorrectedLOGS	1890.0648	3467.7096	10353
shallow_resistivity	RES_SLW	OGA Batch Unzipped	1802.5872000000002	3467.4048000000003	10925
shallow_resistivity	AO10	Energective CorrectedLOGS	1886.2548000000002	3467.7096	10378
shear_sonic	DTS	Energective CorrectedLOGS	1888.236	3449.1168000000002	10243
tvdss	SS	Energective CorrectedLOGS	69.7992	3468.0144	22299
vshale	VSGR	Energective CorrectedLOGS	74.2188	3438.906	22079
vshale	VSH	Energective CorrectedLOGS	74.2188	3438.906	22079
water_sat	SW	Energective CorrectedLOGS	1890.2172	3438.906	10163
water_sat_xo	SXO	Energective CorrectedLOGS	1890.2172	3438.906	10163

Survey Inventory (Deviation)

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Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
211/18a- 26	0	--	--	--
211/18a- 26Z	0	--	--	--

211/18a- 26

Well Header

Wellbores (2)

Formation Tops (14)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (0)

Rock Samples (0)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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