Well Data Manager / Well Summary / 3/28b- 3

3/28b- 3

Decommissioned

Well Header

Well No

3/28b- 3

NSTA DEN No

4175

Well Name

Drill Seq No

Quadrant / Block

3 / 28 b

Surface Location

60.117538, 1.447116

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

ITHACA OIL AND GAS LIMITED

Original Operator

CHEVRON U.K. LIMITED

Sub Area Operator

ITHACA OIL AND GAS LIMITED

Licence No

P493

Licence Type

Production

Spud Date

1990-08-24

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

3/28b- 3 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)

25.298

Ground Elev (m)

Water Depth (m)

102.11

TD MD (m)

2140.001

TD TVDSS (m)

0.000

TD Datum Depth (m)

25.298

TD Datum Type

Kelly Bushing

Spud Date

1990-08-24

TD Reached

1990-09-11

Completion Date

1990-09-21

Release Date

1994-09-21

Formation Tops (11)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
3/28b- 3	Sea Bed		120.000	94.702	BGS
	Top Nordland Gp		120.000	94.702	BGS
	Top Moray Gp		1200.000	1174.559	BGS
	Top Balder Fm		1200.000	1174.559	BGS
	Top Hermod Mb		1307.000	1281.526	BGS
	Top Montrose Gp		1385.000	1359.498	BGS
	Top Lista Fm		1385.000	1359.498	BGS
	Top Andrew Fm		1678.000	1652.454	BGS
	Top Humber Gp		1789.000	1763.424	BGS
	Top Heron Gp		1820.000	1794.416	BGS
	Top Old Red Sandstone Gp	Palaeozoic	2119.000	2093.321	BGS

Lithology Intervals

3/28b- 3 Curve: SANDCOUNT 78 intervals · MD 859.688 – 2161.946 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NNS, ESP, ...

Sandstone (45)

Limestone (30)

Coal (3)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log

Wellbore	Groups	Formations	Members	Strat Intervals	Tops	HC Occ	Core	Cuttings	DSTs
3/28b- 3	0	0	0	11	11	0	0	1	0	View

Hydrocarbon Occurrence (2)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
3/28b- 3	Gas shows	GS	Hermod Sandstone Member	1306.6776	--	78 m thick
3/28b- 3	Gas shows	GS	Lista Formation	1384.7064	--	293 m thick

Rock Samples (1)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
3/28b- 3	Cuttings	856.49	2165.91	--	--	too small to sample .

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
3/28b- 3	120.24359893798828	2166.518310546875	9	0	2026-08-06 13:33:37.207228+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

3/28b- 3

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	CDEN	Energective CorrectedLOGS	779.6784	2162.4036	9073
bulk_density	DEN	OGA Batch Unzipped	768.7056	2140.0008000000003	8999
bulk_density	DENS	UKCS JDWL 30th Round	779.3736	2160.7272000000003	9064
caliper	CALI	UKCS JDWL 30th Round	775.716	2163.1656000000003	9105
caliper	CLD	Energective CorrectedLOGS	778.4592	2163.318	9087
comp_sonic	DTC	Energective CorrectedLOGS	786.0792	2154.174	8976
comp_sonic	DT	OGA Batch Unzipped	756.2088	2140.0008000000003	9081
deep_resistivity	ILD	Energective CorrectedLOGS	778.4592	2159.5080000000003	9061
deep_resistivity	RES_DEP	OGA Batch Unzipped	756.2088	2140.0008000000003	9081
deep_resistivity	RDEP	UKCS JDWL 30th Round	778.4592	2158.8984	9059
density_correction	CDRH	Energective CorrectedLOGS	778.4592	2166.5184	9108
density_correction	DENC	UKCS JDWL 30th Round	779.3736	2160.7272000000003	9064
gamma_ray	GR	UKCS JDWL 30th Round	120.396	2144.1156	13280
gamma_ray	GRI	Energective CorrectedLOGS	120.2436	2144.5728	13284
med_resistivity	RMED	UKCS JDWL 30th Round	778.4592	2158.8984	9059
med_resistivity	ILM	Energective CorrectedLOGS	778.4592	2161.032	9071
med_resistivity	RES_MED	OGA Batch Unzipped	756.2088	2140.0008000000003	9081
neutron_por	NEUT	UKCS JDWL 30th Round	778.1544	2160.4224	9070
neutron_por	CNEU	Energective CorrectedLOGS	768.4008	2160.7272000000003	9136
neutron_por	NEU	OGA Batch Unzipped	768.7056	2140.0008000000003	8998
pef	PEF	UKCS JDWL 30th Round	778.4592	2160.7272000000003	9070
pef	CPEF	Energective CorrectedLOGS	857.25	2159.9652	8549
shear_sonic	DTS	Energective CorrectedLOGS	785.7744	2152.9548	8970
tvdss	SS	Energective CorrectedLOGS	120.0912	2166.8232000000003	13431

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
3/28b- 3	71	2165.909	2140.206	G:\NSTA_BigFiles\NSTA_Packages\UKCS_JDWL_30thRound\NNS\OGA_Additional_Deviation_NNS.xlsx
3/28b- 3	70	2165.909	2140.212	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_3\3_28b- 3\WELL_PATH\WDD_QC\3_28b-_3_wdd_WDD_FILE_1918232_DATACO_MAPPED.csv

3/28b- 3

Well Header

Wellbores (1)

Formation Tops (11)

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