Well Data Manager / Well Summary / 15/21- 1

15/21- 1

Decommissioned

Well Header

Well No

15/21- 1

NSTA DEN No

481

Well Name

Drill Seq No

Quadrant / Block

15 / 21

Surface Location

58.222033, 0.083696

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

00557317 PLC

Original Operator

Sub Area Operator

00557317 PLC

Licence No

P218

Licence Type

Production

Spud Date

1973-04-12

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

15/21- 1 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Oil and Gas Shows

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

9.449

Ground Elev (m)

Water Depth (m)

139.29

TD MD (m)

2432.304

TD TVDSS (m)

0.000

TD Datum Depth (m)

9.449

TD Datum Type

Kelly Bushing

Spud Date

1973-04-12

TD Reached

1973-05-24

Completion Date

1973-05-27

Release Date

1977-05-27

Formation Tops (33)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
15/21- 1	Horda	Cenozoic	629.000	619.551	Lloyds Register
	Stronsay	Cenozoic	629.000	619.551	Lloyds Register
	Grid Sandstone	Cenozoic	789.000	779.551	Lloyds Register
	Balder Tuff	Cenozoic	1100.000	1090.551	Lloyds Register
	Balder	Cenozoic	1100.000	1090.551	Lloyds Register
	Moray	Mesozoic	1100.000	1090.551	Lloyds Register
	Sele	Mesozoic	1151.000	1141.551	Lloyds Register
	Upper Dornoch Sandstone	Cenozoic	1290.000	1280.551	Lloyds Register
	Dornoch	Mesozoic	1290.000	1280.551	Lloyds Register
	Sele	Mesozoic	1326.000	1316.551	Lloyds Register
	Dornoch	Mesozoic	1363.000	1353.551	Lloyds Register
	Lower Dornoch Sandstone	Cenozoic	1363.000	1353.551	Lloyds Register
	Sele	Mesozoic	1466.000	1456.551	Lloyds Register
	Montrose	Mesozoic	1471.000	1461.551	Lloyds Register
	Lista	Mesozoic	1471.000	1461.551	Lloyds Register
	Balmoral Sandstone	Cenozoic	1547.000	1537.551	Lloyds Register
	Glamis Tuff		1626.000	1616.551	Lloyds Register
	Andrew Sandstone	Cenozoic	1675.000	1665.551	Lloyds Register
	Maureen	Mesozoic	1804.000	1794.551	Lloyds Register
	Maureen Sandstone	Mesozoic	1804.000	1794.551	Lloyds Register
	Chalk	Mesozoic	1937.000	1927.551	Lloyds Register
	Upper Cretaceous Chalk	Mesozoic	1937.000	1927.551	Lloyds Register
	Pentland	Mesozoic	1997.000	1987.551	Lloyds Register
	Fladen	Mesozoic	1997.000	1987.551	Lloyds Register
	Rattray Volcanics	Mesozoic	2026.000	2016.551	Lloyds Register
	Smith Bank	Mesozoic	2262.000	2252.551	Lloyds Register
	Heron	Palaeozoic	2262.000	2252.551	Lloyds Register
	Halibut Carbonate	Palaeozoic	2287.000	2277.551	Lloyds Register
	Zechstein	Palaeozoic	2287.000	2277.551	Lloyds Register
	Rotliegend		2359.000	2349.551	Lloyds Register
	Auk		2359.000	2349.551	Lloyds Register
	Carboniferous Undifferentiated	Palaeozoic	2363.000	2353.551	Lloyds Register
	Carboniferous	Palaeozoic	2363.000	2353.551	Lloyds Register

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
15/21- 1	9	15	9	21	33	5	0	1	0	View

Hydrocarbon Occurrence (2)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
15/21- 1	Oil shows	OS	*	1099.7184	--	757 m thick
15/21- 1	Oil shows	OS	Zechstein Group	2287.2192	--	72 m thick

Rock Samples (1)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
15/21- 1	Cuttings	210.31	2441.75	--	--	.

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
15/21- 1	1345.8443603515625	2432.303955078125	6	0	2026-08-06 08:22:39.398208+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

15/21- 1

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	DEN	OGA Batch Unzipped	1365.8088	2432.304	5148
caliper	CALI	OGA Batch Unzipped	1365.8088	2432.304	5148
density_correction	DENC	OGA Batch Unzipped	1365.8088	2432.304	5148
gamma_ray	GR	OGA Batch Unzipped	1345.8444000000002	2432.304	7120
neutron_por	NEU	OGA Batch Unzipped	1365.8088	2432.304	5148
sp	SP	OGA Batch Unzipped	1380.7440000000001	2432.304	6802

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
15/21- 1	3	2441.753	2432.304	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_15\15_21- 1\WELL_PATH\WDD_QC\15_21-_1_wdd_WDD_FILE_1678401_DATACO_MAPPED.csv

15/21- 1

Well Header

Wellbores (1)

Formation Tops (33)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (2)

Rock Samples (1)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

Related Documents