Well Data Manager / Well Summary / 9/23b- 18

9/23b- 18

Decommissioned

Well Header

Well No

9/23b- 18

NSTA DEN No

4072

Well Name

Drill Seq No

Quadrant / Block

9 / 23 b

Surface Location

59.259595, 1.500476

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

TAQA BRATANI LIMITED

Original Operator

Sub Area Operator

TAQA BRATANI LIMITED

Licence No

P478

Licence Type

Production

Spud Date

1990-05-23

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

9/23b- 18 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Oil Well

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Rotary Table

Datum Elev (m)

25.878

Ground Elev (m)

Water Depth (m)

112.78

TD MD (m)

1827.021

TD TVDSS (m)

1800.899

TD Datum Depth (m)

25.900

TD Datum Type

Kelly Bushing

Spud Date

1990-05-23

TD Reached

1990-06-03

Completion Date

1990-06-06

Release Date

1994-06-06

Formation Tops (6)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
9/23b- 18	Unknown		139.000	-25.878	BGS LithoStrat Upper
	Unknown		225.000	60.121	BGS LithoStrat Upper
	Frigg Formation		1656.000	1490.904	BGS LithoStrat Upper
	Balder	Cenozoic	1685.000	1519.901	BGS LithoStrat Upper
	Tuff Unit		1774.000	1608.891	BGS LithoStrat Upper
	Sele	Mesozoic	1793.000	1627.887	BGS LithoStrat Upper

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
9/23b- 18	0	0	0	6	6	0	0	0	0	View

Hydrocarbon Occurrence (2)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
9/23b- 18	Oil	O	Balder Formation	1685.2818720000002	--	89 m thick
9/23b- 18	Oil	O	TUFF	1773.887232	--	19 m thick

Rock Samples (0)

No cuttings, core, or plug samples recorded for this well.

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
9/23b- 18	104.39399719238281	1829.56201171875	10	0	2026-08-06 16:09:39.838013+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

9/23b- 18

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	DEN	OGA Batch Unzipped	761.238	1830.0192000000002	7014
bulk_density	RHOB	CGG Digital Well Logs	760.1712	1824.5328	6985
bulk_density	CDEN	Energective CorrectedLOGS	761.0856	1828.6476	7006
caliper	CLD	Energective CorrectedLOGS	761.0856	1824.6852000000001	6980
caliper	CALI	CGG Digital Well Logs	760.1712	1824.5328	6985
caliper	CALS	CGG Digital Well Logs	760.1712	1800.7584	6829
comp_sonic	DT	CGG Digital Well Logs	761.6952	1811.274	6888
comp_sonic	DTC	Energective CorrectedLOGS	1520.19	1809.9024000000002	1889
deep_resistivity	ILD	Energective CorrectedLOGS	761.0856	1825.2948000000001	6981
deep_resistivity	RES_DEP	OGA Batch Unzipped	754.6848	1829.2572	7048
density_correction	DRHO	CGG Digital Well Logs	760.9332	1824.5328	6980
density_correction	DENC	OGA Batch Unzipped	752.2464	1830.0192000000002	7071
density_correction	CDRH	Energective CorrectedLOGS	761.0856	1829.5620000000001	7012
gamma_ray	GR	CGG Digital Well Logs	115.062	1814.7792	11154
gamma_ray	GRD	CGG Digital Well Logs	752.2464	1826.0568	7047
gamma_ray	GRI	Energective CorrectedLOGS	104.394	1818.2844	11244
med_resistivity	ILM	Energective CorrectedLOGS	761.0856	1821.18	6954
med_resistivity	RES_MED	OGA Batch Unzipped	754.6848	1829.2572	7048
neutron_por	NEU	OGA Batch Unzipped	751.7892	1830.324	7077
neutron_por	NPHI	CGG Digital Well Logs	760.476	1819.9608	6953
neutron_por	CNEU	Energective CorrectedLOGS	752.2464	1823.0088	7027
pef	PEF	CGG Digital Well Logs	760.476	1824.228	6981
pef	CPEF	Energective CorrectedLOGS	761.0856	1827.8856	7001
shallow_resistivity	RES_SLW	OGA Batch Unzipped	754.6848	1829.2572	7052
shear_sonic	DTS	Energective CorrectedLOGS	1520.19	1810.5120000000002	1629
tvdss	SS	Energective CorrectedLOGS	104.2416	1829.7144	11323

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
9/23b- 18	223	1827.000	1661.879	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_23b- 18\WELL_PATH\WDD_QC\9_23b-_18_wdd_WDD_FILE_1681822_DATACO_MAPPED.csv

9/23b- 18

Well Header

Wellbores (1)

Formation Tops (6)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (2)

Rock Samples (0)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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