Well Data Manager / Well Summary / 73/12- 1

73/12- 1

Decommissioned

Well Header

Well No

73/12- 1

NSTA DEN No

1964

Well Name

Drill Seq No

Quadrant / Block

73 / 12

Surface Location

48.524790, -8.743816

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

LASMO (WP) INC.

Original Operator

Sub Area Operator

LASMO (WP) INC.

Licence No

P308

Licence Type

Production

Spud Date

1982-07-24

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (2)

73/12- 1 Original

Abandoned Phase 3 Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

24.994

Ground Elev (m)

Water Depth (m)

160.02

TD MD (m)

1281.074

TD TVDSS (m)

1256.081

TD Datum Depth (m)

24.994

TD Datum Type

Rotary Table

Spud Date

1982-07-24

TD Reached

1982-08-14

Completion Date

1982-08-14

Release Date

1986-08-14

73/12- 1A Sidetrack A parent: 73/12- 1

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

Kelly Bushing

Datum Elev (m)

24.994

Ground Elev (m)

Water Depth (m)

160.02

TD MD (m)

3322.320

TD TVDSS (m)

3296.720

TD Datum Depth (m)

24.994

TD Datum Type

Rotary Table

Spud Date

1982-08-15

TD Reached

1982-10-03

Completion Date

1982-10-04

Release Date

1986-10-04

Formation Tops (12)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
73/12- 1A	Sea Bed		185.000	160.006	BGS
	Miocene	Cenozoic	185.000	160.006	BGS
	Eocene	Cenozoic	515.000	490.006	BGS
	Top Chalk Gp		1208.000	1182.991	BGS
	Upper Cretaceous	Mesozoic	1208.000	1182.991	BGS
	Top Chalk Gp		1208.000	1182.991	BGS
	Top Selborne Gp		1611.000	1585.964	BGS
	Top Gault-Greensands (Undiv)		1611.000	1585.964	BGS
	Top Mercia Gp		1657.000	1631.961	BGS
	Top Sherwood Sandstone Gp	Mesozoic	1887.000	1861.950	BGS
	Top Aylesbeare Gp	Mesozoic	2096.000	2070.928	BGS
	Top Exeter Volcanic Series		3040.000	3013.727	BGS

Lithology Intervals

73/12- 1A Curve: SANDCOUNT 66 intervals · MD 575.310 – 3341.827 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/SW Approac...

Sandstone (59)

Volcanics (5)

Limestone (2)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log

Wellbore	Groups	Formations	Members	Strat Intervals	Tops	HC Occ	Core	Cuttings	DSTs
73/12- 1	0	0	0	0	0	0	0	0	0
73/12- 1A	8	0	0	13	12	1	1	0	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
73/12- 1A	Core #1	3341.52	3346.0	--	--	.

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
73/12- 1A	575.9196166992188	3341.6748046875	11	0	2026-08-06 14:45:54.523042+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

73/12- 1A

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	RHOB	CGG Digital Well Logs	1256.6904	3340.4556000000002	13674
caliper	CALS	CGG Digital Well Logs	1256.3856	3331.3116	13616
caliper	CALI	CGG Digital Well Logs	1256.538	3340.4556000000002	13675
comp_sonic	DT	CGG Digital Well Logs	1256.8428000000001	3332.0736	13496
deep_resistivity	ILD	CGG Digital Well Logs	1257.1476	3339.6936	13666
deep_resistivity	LLD	CGG Digital Well Logs	1256.538	3337.4076	13655
density_correction	DRHO	CGG Digital Well Logs	1256.538	3340.4556000000002	13675
gamma_ray	GRL	CGG Digital Well Logs	1239.0120000000002	3326.13	13696
gamma_ray	GR	CGG Digital Well Logs	575.9196000000001	3331.1592	18080
gamma_ray	SGR	CGG Digital Well Logs	1252.1184	3331.1592	13591
gamma_ray	CGR	CGG Digital Well Logs	1252.2708	3331.1592	13585
micro_resistivity	MSFL	CGG Digital Well Logs	1256.538	3331.464	13616
neutron_por	NPHI	CGG Digital Well Logs	1256.538	3334.6644	13637
pef	PEF	CGG Digital Well Logs	1256.538	3340.4556000000002	13675
potassium	POTA	CGG Digital Well Logs	1252.2708	3331.1592	13591
shallow_resistivity	LLS	CGG Digital Well Logs	1256.538	3337.4076	13655
shallow_resistivity	SFLU	CGG Digital Well Logs	1257.1476	3339.9984	13668
sp	SP	CGG Digital Well Logs	1256.538	3341.6748000000002	13683
thorium	THOR	CGG Digital Well Logs	1252.4232	3331.1592	13589
uranium	URAN	CGG Digital Well Logs	1252.2708	3331.1592	13590

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
73/12- 1	0	--	--	--
73/12- 1A	100	3346.704	3319.134	D:\BigSpatial\nsta_raw\CGG_Deviation\73-12-1A 8489u-CGG_Deviation.xlsx

73/12- 1

Well Header

Wellbores (2)

Formation Tops (12)

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)

Related Documents