Well Data Manager / Well Summary / 9/11a- 8

9/11a- 8

Decommissioned

Well Header

Well No

9/11a- 8

NSTA DEN No

5977

Well Name

Drill Seq No

Quadrant / Block

9 / 11 a

Surface Location

59.587430, 1.075821

Source Datum

ED50

Subsea Well

Yes

Platform

Slot No

Operator

ADURA OPERATIONS LIMITED

Original Operator

Sub Area Operator

ADURA OPERATIONS LIMITED

Licence No

P335

Licence Type

Production

Spud Date

1996-10-30

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (4)

9/11a- 8 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Oil Well

Dev Type

Convention

Primary Target

EWT

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

24.994

Ground Elev (m)

Water Depth (m)

105.77

TD MD (m)

1542.288

TD TVDSS (m)

TD Datum Depth (m)

24.994

TD Datum Type

Kelly Bushing

Spud Date

1996-10-30

TD Reached

1996-11-11

Completion Date

1996-11-19

Release Date

2000-11-19

9/11a- 8J Sidetrack J parent: 9/11a- 8

Abandoned Phase 3 Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Dev Type

Convention

Conventional

Primary Target

Well Seq

Datum Type

Rotary Table

Datum Elev (m)

26.518

Ground Elev (m)

Water Depth (m)

105.77

TD MD (m)

1990.649

TD TVDSS (m)

TD Datum Depth (m)

TD Datum Type

Spud Date

1996-11-18

TD Reached

1996-12-03

Completion Date

1996-12-07

Release Date

2000-12-07

9/11a- 8Y Sidetrack Y parent: 9/11a- 8Z

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Oil Well

Dev Type

Convention

Primary Target

EWT

Well Seq

WB3

Datum Type

Kelly Bushing

Datum Elev (m)

24.994

Ground Elev (m)

Water Depth (m)

105.77

TD MD (m)

3287.573

TD TVDSS (m)

1454.201

TD Datum Depth (m)

24.994

TD Datum Type

Kelly Bushing

Spud Date

1997-07-26

TD Reached

1997-08-07

Completion Date

1997-08-28

Release Date

2001-08-28

9/11a- 8Z Sidetrack Z parent: 9/11a- 8J

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Oil Well

Dev Type

Convention

Primary Target

EWT

Well Seq

WB2

Datum Type

Kelly Bushing

Datum Elev (m)

25.908

Ground Elev (m)

Water Depth (m)

105.77

TD MD (m)

3673.754

TD TVDSS (m)

TD Datum Depth (m)

25.908

TD Datum Type

Kelly Bushing

Spud Date

1996-12-07

TD Reached

1996-12-30

Completion Date

1997-01-07

Release Date

2001-01-07

Formation Tops (21)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
9/11a- 8	Beauly	Cenozoic	984.000	959.006	Ternan
	Beauly	Cenozoic	984.000	959.006	Ternan
	Upper Dornoch Sst		1074.000	1049.006	Ternan
	Maureen Sst	Mesozoic	1457.000	1432.006	Ternan
	Shetland	Mesozoic	1497.000	1472.006	Ternan
	Old Red Sandstone		1514.000	1489.006	Ternan
9/11a- 8Y	Unknown		1890.000	1299.580	BGS LithoStrat Upper
	Maureen Sand Member		1916.000	1303.284	BGS LithoStrat Upper
9/11a- 8Z	Unknown		131.000	105.092	BGS LithoStrat Upper
	Mousa Formation	Cenozoic	885.000	859.039	BGS LithoStrat Upper
	Balder	Cenozoic	983.000	956.898	BGS LithoStrat Upper
	Dornoch	Mesozoic	1038.000	1010.960	BGS LithoStrat Upper
	Dornoch	Mesozoic	1078.000	1049.235	BGS LithoStrat Upper
	Lista	Mesozoic	1178.000	1138.185	BGS LithoStrat Upper
	Lista	Mesozoic	1217.000	1168.753	BGS LithoStrat Upper
	Heimdal		1395.000	1276.138	BGS LithoStrat Upper
	Heimdal		1440.000	1296.353	BGS LithoStrat Upper
	Heimdal		1461.000	1305.692	BGS LithoStrat Upper
	Lista	Mesozoic	1475.000	1311.712	BGS LithoStrat Upper
	Maureen	Mesozoic	1729.000	1399.546	BGS LithoStrat Upper
	Maureen Sand Member		1895.000	1431.203	BGS LithoStrat Upper

Lithology Intervals

No lithology intervals ingested for this well.

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log

Wellbore	Strat Intervals	Tops	Cuttings
9/11a- 8	18	6	1	View
9/11a- 8J	0	0	0
9/11a- 8Y	2	2	1	View
9/11a- 8Z	13	13	1	View

Hydrocarbon Occurrence (4)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
9/11a- 8	Oil shows	OS	HEIM	1322.2224	--	24 m thick
9/11a- 8	Oil	OW	MASD	1456.944	--	40 m thick
9/11a- 8Y	Mixed	GOW	MASD	1916.2776000000001	--	1371 m thick
9/11a- 8Z	Oil	O	MASD	1895.2464	--	1779 m thick

Rock Samples (3)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
9/11a- 8	Cuttings	896.11	1542.29	--	--	--
9/11a- 8Y	Cuttings	1926.34	3285.74	--	--	--
9/11a- 8Z	Cuttings	883.92	3673.75	--	--	in as 9/11a- 8H

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Ingested
9/11a- 8	76.19999694824219	1538.0030517578125	10	2026-08-06 15:15:26.060583+00	View Log
9/11a- 8Y	1914.29638671875	3261.360107421875	2	2026-08-08 02:58:03.837743+00	View Log
9/11a- 8Z	862.7363891601562	3660.952880859375	2	2026-08-06 15:15:29.937724+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

9/11a- 8

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	LDL	Energective CorrectedLOGS	888.93932448	1532.82149112	4226
caliper	CLD	Energective CorrectedLOGS	825.08448648	1532.66909112	4644
comp_sonic	DTC	Energective CorrectedLOGS	882.53858544	1520.1724435200001	4185
deep_resistivity	AT90	Energective CorrectedLOGS	884.3673549600001	1536.7838301600002	4282
density_correction	DRH	Energective CorrectedLOGS	884.3673549600001	1535.56466064	4274
gamma_ray	GRI	Energective CorrectedLOGS	76.2	1524.7443825600003	9506
med_resistivity	AT60	Energective CorrectedLOGS	884.3673549600001	1538.0030301600002	4290
med_resistivity	AT20	Energective CorrectedLOGS	884.3673549600001	1536.3266301600001	4279
med_resistivity	AT30	Energective CorrectedLOGS	884.3673549600001	1536.0218606399999	4277
neutron_por	TNPH	Energective CorrectedLOGS	836.05716456	1528.7067216	4525
pef	PEF	Energective CorrectedLOGS	884.3673549600001	1533.73586064	4262
shallow_resistivity	AT10	Energective CorrectedLOGS	884.3673549600001	1535.86946064	4276
shear_sonic	DTS	Energective CorrectedLOGS	887.56772448	1516.362474	4127
tvdss	SS	Energective CorrectedLOGS	75.8952	1538.0030301600002	9595

9/11a- 8Y

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
gamma_ray	GR	CGG Digital Well Logs	1905.0	3257.8548	8816
gamma_ray	GRLW	Energective CorrectedLOGS	1916.73476952	3257.8384627200003	8739
med_resistivity	ATR	CGG Digital Well Logs	1914.2964000000002	3261.36	8775
med_resistivity	PSR	CGG Digital Well Logs	1914.2964000000002	3261.36	8775
tvdss	SS	Energective CorrectedLOGS	1913.5344	3261.34360176	8845

9/11a- 8Z

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
gamma_ray	GR	CGG Digital Well Logs	867.7656000000001	3657.6000000000004	18307
gamma_ray	GRLW	Energective CorrectedLOGS	862.7364	3657.7524000000003	18341
med_resistivity	ATR	CGG Digital Well Logs	881.634	3660.9528	18238
med_resistivity	PSR	CGG Digital Well Logs	881.634	3660.9528	18238
tvdss	SS	Energective CorrectedLOGS	852.8304	3661.2576000000004	18429

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
9/11a- 8	0	--	--	--
9/11a- 8J	0	--	--	--
9/11a- 8Y	299	3254.959	1324.026	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_11a- 8Y\WELL_PATH\WDD_QC\9_11a-_8Y_wdd_WDD_FILE_1918265_DATACO_MAPPED.csv
9/11a- 8Z	282	3673.754	1467.395	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_11a- 8Z\WELL_PATH\WDD_QC\9_11a-_8Z_wdd_WDD_FILE_1918266_DATACO_MAPPED.csv

9/11a- 8

Well Header

Wellbores (4)

Formation Tops (21)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (4)

Rock Samples (3)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

Related Documents