Well Data Manager / Well Summary / 3/04a- 18

3/04a- 18

Decommissioned

Well Header

Well No

3/04a- 18

NSTA DEN No

4903

Well Name

Drill Seq No

Quadrant / Block

3 / 4 a

Surface Location

60.994650, 1.708454

Source Datum

ED50

Subsea Well

Unknown

Platform

Slot No

Operator

SHELL U.K. LIMITED

Original Operator

Sub Area Operator

SHELL U.K. LIMITED

Licence No

P119

Licence Type

Production

Spud Date

1992-12-25

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (4)

3/04a- 18 Original

Abandoned Phase 3 Interpreted Data Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

25.908

Ground Elev (m)

Water Depth (m)

137.77

TD MD (m)

883.920

TD TVDSS (m)

858.012

TD Datum Depth (m)

25.908

TD Datum Type

Kelly Bushing

Spud Date

1992-12-25

TD Reached

1993-01-21

Completion Date

1993-01-26

Release Date

1997-01-26

3/04a- 18A Sidetrack A parent: 3/04a- 18

Abandoned Phase 3 Interpreted Data Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

25.908

Ground Elev (m)

Water Depth (m)

136.86

TD MD (m)

690.372

TD TVDSS (m)

664.464

TD Datum Depth (m)

25.908

TD Datum Type

Kelly Bushing

Spud Date

1993-01-26

TD Reached

1993-02-22

Completion Date

1993-03-05

Release Date

1997-03-05

3/04a- 18B Sidetrack B parent: 3/04a- 18J

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Gas Well

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

25.908

Ground Elev (m)

Water Depth (m)

137.46

TD MD (m)

4237.939

TD TVDSS (m)

3145.841

TD Datum Depth (m)

25.908

TD Datum Type

Kelly Bushing

Spud Date

1993-04-12

TD Reached

1993-06-10

Completion Date

2009-10-20

Release Date

2013-10-20

3/04a- 18J Sidetrack J

Abandoned Phase 3 Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Dev Type

Convention

Conventional

Primary Target

Well Seq

Datum Type

Rotary Table

Datum Elev (m)

25.908

Ground Elev (m)

Water Depth (m)

137.46

TD MD (m)

2042.160

TD TVDSS (m)

2016.158

TD Datum Depth (m)

TD Datum Type

Spud Date

1993-03-05

TD Reached

1993-03-25

Completion Date

1993-04-12

Release Date

1997-04-12

Formation Tops (25)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
3/04a- 18B	Hutton Sand Formation	Palaeozoic	163.000	137.092	BGS LithoStrat Upper
	Hutton Sand Formation	Palaeozoic	700.000	674.079	BGS LithoStrat Upper
	Hutton Clay Formation		1140.000	1114.070	BGS LithoStrat Upper
	Hutton Clay Formation		1319.000	1293.066	BGS LithoStrat Upper
	Balder	Cenozoic	1554.000	1527.205	BGS LithoStrat Upper
	Lista	Mesozoic	1637.000	1609.941	BGS LithoStrat Upper
	Shetland	Mesozoic	1948.000	1920.733	BGS LithoStrat Upper
	Upper Valhall	Mesozoic	2957.000	2797.659	BGS LithoStrat Upper
	Kimmeridge Clay		2980.000	2810.106	BGS LithoStrat Upper
	Brent Slump		2990.000	2815.287	BGS LithoStrat Upper
	Drake	Mesozoic	3008.000	2824.270	BGS LithoStrat Upper
	Cook	Mesozoic	3058.000	2847.264	BGS LithoStrat Upper
	Burton	Mesozoic	3118.000	2870.931	BGS LithoStrat Upper
	Amundsen		3193.000	2894.673	BGS LithoStrat Upper
	Statfjord Calcareous	Cenozoic	3347.000	2931.506	BGS LithoStrat Upper
	Statfjord Unit S1		3451.000	2953.486	BGS LithoStrat Upper
	Statfjord Unit S2.1		3592.000	2978.862	BGS LithoStrat Upper
	Statfjord Unit S2.1		3594.000	2979.213	BGS LithoStrat Upper
	Statfjord Unit S2.2		3655.000	2991.108	BGS LithoStrat Upper
	Statfjord Unit S3.1A		3680.000	2996.567	BGS LithoStrat Upper
	Statfjord Unit S3.1B		3813.000	3026.262	BGS LithoStrat Upper
	Dunlin	Mesozoic	3911.000	3043.167	BGS LithoStrat Upper
	Statfjord Calcareous	Cenozoic	3935.000	3046.917	BGS LithoStrat Upper
	Dunlin	Mesozoic	3990.000	3056.702	BGS LithoStrat Upper
	Statfjord	Mesozoic	4148.000	3105.495	BGS LithoStrat Upper

Lithology Intervals

No lithology intervals ingested for this well.

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log

Wellbore	Strat Intervals	Tops	Cuttings
3/04a- 18	1	0	0	View
3/04a- 18A	1	0	0	View
3/04a- 18B	25	25	1	View
3/04a- 18J	0	0	0

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
3/04a- 18B	Cuttings	694.94	4237.94	--	--	--

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
3/04a- 18B	655.9296264648438	3828.2880859375	9	0	2026-08-06 12:55:56.936922+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

3/04a- 18B

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	RHOB	CGG Digital Well Logs	674.37	1163.4216000000001	3210
bulk_density	DEN	OGA Batch Unzipped	2042.16	3712.9212	10964
bulk_density	LRHO	Energective CorrectedLOGS	2053.4376	3712.9212	10890
bulk_density	CDEN	Energective CorrectedLOGS	687.9336000000001	1165.7076	3136
caliper	CALI	CGG Digital Well Logs	674.2176000000001	1164.0312000000001	3215
caliper	CLD	Energective CorrectedLOGS	691.5912000000001	3711.8544	19819
comp_sonic	DTC	Energective CorrectedLOGS	674.37	1173.1752000000001	3274
comp_sonic	DTLF	CGG Digital Well Logs	674.2176000000001	1168.2984000000001	3243
deep_resistivity	RES_DEP	OGA Batch Unzipped	2042.16	3828.288	11721
density_correction	DRHO	CGG Digital Well Logs	674.37	1163.574	3211
density_correction	LDRH	Energective CorrectedLOGS	2053.1328000000003	3712.9212	10892
density_correction	CDRH	Energective CorrectedLOGS	687.0192000000001	1165.7076	3142
gamma_ray	GRI	Energective CorrectedLOGS	655.9296	1155.3444	3278
gamma_ray	GR	CGG Digital Well Logs	65.0748	1154.2776000000001	7148
gamma_ray	GRLW	Energective CorrectedLOGS	1125.4740000000002	3824.9352000000003	17714
neutron_por	LTNP	Energective CorrectedLOGS	1282.5984	3710.6352	15925
neutron_por	NEU	OGA Batch Unzipped	2042.16	3710.6352	10949
neutron_por	NPHI	CGG Digital Well Logs	674.2176000000001	1157.1732	3170
neutron_por	CNEU	Energective CorrectedLOGS	655.9296	1159.002	3302
pef	CPEF	Energective CorrectedLOGS	3211.8300000000004	3712.9212	3289
tvdss	SS	Energective CorrectedLOGS	655.9296	3828.5928000000004	20819
vshale	VSH	Energective CorrectedLOGS	655.9296	3824.9352000000003	20793
vshale	VSGR	Energective CorrectedLOGS	655.9296	3824.9352000000003	20795

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
3/04a- 18	0	--	--	--
3/04a- 18A	0	--	--	--
3/04a- 18B	482	4237.939	3146.255	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_3\3_04a- 18B\WELL_PATH\WDD_QC\3_04a-_18B_wdd_WDD_FILE_1676593_DATACO_MAPPED.csv
3/04a- 18J	0	--	--	--

3/04a- 18

Well Header

Wellbores (4)

Formation Tops (25)

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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