Well Data Manager / Well Summary / 3/21- 2

3/21- 2

Decommissioned

Well Header

Well No

3/21- 2

NSTA DEN No

1931

Well Name

Drill Seq No

Quadrant / Block

3 / 21

Surface Location

60.288318, 1.158488

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

CALEDONIA NORTH SEA LIMITED

Original Operator

Sub Area Operator

CALEDONIA NORTH SEA LIMITED

Licence No

P332

Licence Type

Production

Spud Date

1982-05-27

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

3/21- 2 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

Kelly Bushing

Datum Elev (m)

24.080

Ground Elev (m)

Water Depth (m)

122.53

TD MD (m)

1350.260

TD TVDSS (m)

1326.180

TD Datum Depth (m)

78.974

TD Datum Type

Kelly Bushing

Spud Date

1982-05-27

TD Reached

1982-06-05

Completion Date

1982-06-09

Release Date

1986-06-09

Formation Tops (1)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
3/21- 2	Old Red Sandstone		1293.000	1268.866	Ternan

Lithology Intervals

3/21- 2 Curve: SANDCOUNT 11 intervals · MD 922.477 – 1335.786 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NNS, ESP, ...

Sandstone (6)

Limestone (4)

Igneous (1)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log

Wellbore	Groups	Formations	Members	Strat Intervals	Tops	HC Occ	Core	Cuttings	DSTs
3/21- 2	0	0	0	8	1	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
3/21- 2	Cuttings	658.37	1350.26	--	--	.

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
3/21- 2	160.17239379882812	1339.9007568359375	13	0	2026-08-06 20:43:51.880936+00	View Log

Source LAS Manifest (Best Curve per Type)

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3/21- 2

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	CDEN	Energective CorrectedLOGS	641.7564	1339.9008000000001	4582
bulk_density	DENS	UKCS JDWL 30th Round	643.128	1333.1952	4529
bulk_density	DEN	OGA Batch Unzipped	636.4224	1339.1388000000002	4612
caliper	CLD	Energective CorrectedLOGS	641.7564	1334.1096	4544
caliper	CALI	UKCS JDWL 30th Round	640.08	1333.1952	4549
comp_sonic	DT	OGA Batch Unzipped	632.46	1326.1848	4514
comp_sonic	DTC	Energective CorrectedLOGS	641.9088	1323.4416	4473
deep_resistivity	ILD	Energective CorrectedLOGS	642.2136	1333.8048000000001	4539
deep_resistivity	RES_DEP	OGA Batch Unzipped	634.5936	1336.0908000000002	4604
deep_resistivity	RDEP	UKCS JDWL 30th Round	642.5184	1332.2808	4527
density_correction	DENC	UKCS JDWL 30th Round	643.128	1333.1952	4529
density_correction	CDRH	Energective CorrectedLOGS	642.2136	1339.1388000000002	4574
gamma_ray	GR	UKCS JDWL 30th Round	172.21200000000002	1327.7088	7583
gamma_ray	GRI	Energective CorrectedLOGS	160.1724	1327.7088	7662
med_resistivity	ILM	Energective CorrectedLOGS	642.2136	1334.1096	4541
med_resistivity	RES_MED	OGA Batch Unzipped	634.5936	1336.8528000000001	4609
med_resistivity	RMED	UKCS JDWL 30th Round	642.5184	1332.4332000000002	4528
neutron_por	CNEU	Energective CorrectedLOGS	635.8128	1334.4144000000001	4585
neutron_por	NEU	OGA Batch Unzipped	632.1552	1335.4812000000002	4611
neutron_por	NEUT	UKCS JDWL 30th Round	643.128	1334.1096	4535
pef	PEF	UKCS JDWL 30th Round	643.128	1334.1096	4535
pef	CPEF	Energective CorrectedLOGS	641.7564	1338.6816000000001	4574
porosity	PHIE	OGA Batch Unzipped	911.3520000000001	1294.7904	2517
shallow_resistivity	RSHAL	UKCS JDWL 30th Round	642.5184	1332.8904	4531
shallow_resistivity	RES_SLW	OGA Batch Unzipped	634.5936	1336.7004000000002	4608
shallow_resistivity	SFL	Energective CorrectedLOGS	642.5184	1333.3476	4534
sp	SP	Energective CorrectedLOGS	641.7564	1337.4624000000001	4566
tvdss	SS	Energective CorrectedLOGS	160.02	1340.2056	7745
water_sat	SW	OGA Batch Unzipped	911.3520000000001	1294.7904	2517

Survey Inventory (Deviation)

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Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
3/21- 2	36	1350.264	1326.124	G:\NSTA_BigFiles\NSTA_Packages\UKCS_JDWL_30thRound\NNS\OGA_Additional_Deviation_NNS.xlsx

3/21- 2

Well Header

Wellbores (1)

Formation Tops (1)

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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