Well Data Manager / Well Summary / 8/20- 1

8/20- 1

Decommissioned

Well Header

Well No

8/20- 1

NSTA DEN No

7463

Well Name

Drill Seq No

Quadrant / Block

8 / 20

Surface Location

59.349205, 0.850925

Source Datum

ED50

Subsea Well

Unknown

Platform

Slot No

Operator

ALBA RESOURCES LIMITED

Original Operator

Sub Area Operator

ALBA RESOURCES LIMITED

Licence No

P976

Licence Type

Production

Spud Date

2001-06-13

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

8/20- 1 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Dry Hole

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Rotary Table

Datum Elev (m)

23.000

Ground Elev (m)

Water Depth (m)

127.00

TD MD (m)

5456.040

TD TVDSS (m)

5305.118

TD Datum Depth (m)

75.459

TD Datum Type

Rotary Table

Spud Date

2001-06-13

TD Reached

2001-06-21

Completion Date

2001-06-24

Release Date

2005-06-24

Formation Tops (17)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
8/20- 1	Sea Bed		151.000	127.995	BGS
	Top Beauly Mb		851.000	827.975	BGS
	Top Moray Gp		851.000	827.975	BGS
	Top Dornoch Fm		1016.000	992.975	BGS
	Top Montrose Gp		1110.000	1086.974	BGS
	Top Lista Fm		1110.000	1086.974	BGS
	Top Heimdal Fm		1382.000	1358.971	BGS
	Top Maureen Fm		1454.000	1430.971	BGS
	Top Flounder Fm		1532.000	1508.970	BGS
	Top Chalk Gp		1532.000	1508.970	BGS
	Top Rodby Fm		1555.000	1531.967	BGS
	Top Cromer Knoll Gp	Mesozoic	1555.000	1531.967	BGS
	Top Valhall Fm		1573.000	1549.965	BGS
	Top Humber Gp		1580.000	1556.964	BGS
	Top Kimmeridge Clay Fm	Mesozoic	1580.000	1556.964	BGS
	Top Heron Gp		1587.000	1563.963	BGS
	Top Cormorant Fm		1587.000	1563.963	BGS

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
8/20- 1	0	0	0	14	17	0	0	1	0	View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (1)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
8/20- 1	Cuttings	630.0	1640.0	--	--	--

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
8/20- 1	607.0092163085938	5379.5	12	0	2026-08-08 01:53:04.258177+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

8/20- 1

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	CDEN	Energective CorrectedLOGS	605.94172944	1636.00080216	6760
bulk_density	DENS	UKCS JDWL 30th Round	606.9848	1630.9604	6720
caliper	CLD	Energective CorrectedLOGS	599.0838208800001	1632.0384631200002	6779
caliper	CALI	UKCS JDWL 30th Round	602.87	1630.9604	6747
comp_sonic	DTC	Energective CorrectedLOGS	605.94172944	1637.37240216	6769
comp_sonic	DT	OGA Batch Unzipped	551.9928	1641.5004000000001	7150
deep_resistivity	AT90	Energective CorrectedLOGS	605.94172944	1639.6583716800003	6784
density_correction	DENC	UKCS JDWL 30th Round	606.9848	1630.9604	6720
gamma_ray	GR	UKCS JDWL 30th Round	149.9372	1630.5032	9716
gamma_ray	GRI	Energective CorrectedLOGS	551.3832	1631.73366312	7090
med_resistivity	AT60	Energective CorrectedLOGS	605.94172944	1639.6583716800003	6784
med_resistivity	AT30	Energective CorrectedLOGS	605.94172944	1639.6583716800003	6784
med_resistivity	AT20	Energective CorrectedLOGS	605.94172944	1639.6583716800003	6784
micro_resistivity	RMIC	UKCS JDWL 30th Round	607.8992	1630.9604	6714
neutron_por	TNPH	Energective CorrectedLOGS	609.9040989599999	1632.6480631200002	6697
neutron_por	NEU	OGA Batch Unzipped	551.9928	1632.9660000000001	7094
neutron_por	NEUT	UKCS JDWL 30th Round	606.9848	1630.9604	6720
pef	PEF	UKCS JDWL 30th Round	606.9848	1630.9604	6720
pef	CPEF	Energective CorrectedLOGS	605.94172944	1636.15320216	6761
shallow_resistivity	AT10	Energective CorrectedLOGS	607.16092944	1639.6583716800003	6776
sp	SP	Energective CorrectedLOGS	605.94172944	1639.6583716800003	6784
tvdss	SS	Energective CorrectedLOGS	551.0784	1639.8107716800002	7145

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
8/20- 1	37	1640.000	1616.956	G:\NSTA_BigFiles\NSTA_Packages\UKCS_JDWL_30thRound\NNS\OGA_Additional_Deviation_NNS.xlsx

8/20- 1

Well Header

Wellbores (1)

Formation Tops (17)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (0)

Rock Samples (1)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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