Well Data Manager / Well Summary / 9/09a-A2

9/09a-A2

Present

Well Header

Well No

9/09a-A2

NSTA DEN No

4200

Well Name

Drill Seq No

Quadrant / Block

9 / 9 a

Surface Location

59.743254, 1.670542

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

SERICA ENERGY (UK) LIMITED

Original Operator

Sub Area Operator

SERICA ENERGY (UK) LIMITED

Licence No

P90

Licence Type

Production

Spud Date

1990-09-08

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

9/09a-A2 Original

Completed (Operating) View Log Interpreted Data Survey

Current Intent

Development

Original Intent

Development

Flow Class

Gas and Condensate Well

Dev Type

Producer

Convention

Primary Target

Well Seq

WB1

Datum Type

Rotary Table

Datum Elev (m)

50.800

Ground Elev (m)

Water Depth (m)

122.00

TD MD (m)

4714.500

TD TVDSS (m)

3648.510

TD Datum Depth (m)

24.293

TD Datum Type

Kelly Bushing

Spud Date

1990-09-08

TD Reached

1990-11-14

Completion Date

1990-11-29

Release Date

1994-11-29

Formation Tops (19)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
9/09a-A2	Unknown		147.000	-50.800	BGS LithoStrat Upper
	Nordland	Cenozoic	202.000	-21.800	BGS LithoStrat Upper
	Frigg Formation		2170.000	1551.650	BGS LithoStrat Upper
	Balder	Cenozoic	2331.000	1675.101	BGS LithoStrat Upper
	Sele	Mesozoic	2362.000	1699.340	BGS LithoStrat Upper
	Forties Formation Equivalent		2373.000	1707.966	BGS LithoStrat Upper
	Lista	Mesozoic	2648.000	1927.207	BGS LithoStrat Upper
	Andrew	Cenozoic	2794.000	2046.170	BGS LithoStrat Upper
	Maureen	Mesozoic	3167.000	2352.021	BGS LithoStrat Upper
	Shetland	Mesozoic	3354.000	2503.367	BGS LithoStrat Upper
	Kimmeridge Clay		3954.000	2988.849	BGS LithoStrat Upper
	Heather	Mesozoic	3971.000	3001.642	BGS LithoStrat Upper
	Upper Bruce Stn		4019.000	3037.102	BGS LithoStrat Upper
	Bruce A Sand		4150.000	3126.815	BGS LithoStrat Upper
	Bruce B Sand		4293.000	3211.494	BGS LithoStrat Upper
	Bruce C Sand	Palaeozoic	4375.000	3259.914	BGS LithoStrat Upper
	Dunlin	Mesozoic	4469.000	3316.599	BGS LithoStrat Upper
	Statfjord	Mesozoic	4548.000	3365.673	BGS LithoStrat Upper
	Cormorant	Mesozoic	4660.000	3439.704	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
9/09a-A2	0	0	0	19	19	0	0	0	0	View

Hydrocarbon Occurrence (4)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
9/09a-A2	Gas	G	TUBS	4019.196432	--	131 m thick
9/09a-A2	Gas	G	BRAS	4150.20252	--	142 m thick
9/09a-A2	Gas	G	BRBS	4292.608128000001	--	83 m thick
9/09a-A2	Mixed	OG	BRCS	4375.215024	--	94 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
9/09a-A2	100.2791976928711	4680.0517578125	12	0	2026-08-08 02:28:17.117642+00	View Log

Source LAS Manifest (Best Curve per Type)

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9/09a-A2

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	CDEN	Energective CorrectedLOGS	3556.05956808	4611.111936	6924
bulk_density	DEN	OGA Batch Unzipped	3534.7	4611.6	10770
bulk_density	RHOB	OGA Batch Unzipped	3534.7656	4611.4716	7066
caliper	CLD	Energective CorrectedLOGS	3556.05956808	4610.34996648	6919
caliper	CALI	OGA Batch Unzipped	3534.7656	4616.196	7097
comp_sonic	DTC	Energective CorrectedLOGS	2523.71452584	4669.63283496	13989
comp_sonic	DTCO	OGA Batch Unzipped	2523.744	4669.6884	13991
comp_sonic	DT	OGA Batch Unzipped	2523.6	4669.8	21330
deep_resistivity	ILD	Energective CorrectedLOGS	3556.05956808	4674.661974	7341
deep_resistivity	RDEEP	OGA Batch Unzipped	3367.7352	4695.444	8713
deep_resistivity	RES_DEP	OGA Batch Unzipped	3367.6	4695.5	13280
density_correction	CDRH	Energective CorrectedLOGS	3556.05956808	4610.959536	6923
density_correction	DENC	OGA Batch Unzipped	3534.7	4611.6	10770
density_correction	DRHO	OGA Batch Unzipped	3534.7656	4611.4716	7066
gamma_ray	GRI	Energective CorrectedLOGS	100.2792	4679.99591304	30035
gamma_ray	GR	OGA Batch Unzipped	100.2792	4695.1392	30151
med_resistivity	ILM	Energective CorrectedLOGS	3556.05956808	4676.79554352	7355
med_resistivity	RES_MED	OGA Batch Unzipped	3367.6	4695.4	13277
neutron_por	CNEU	Energective CorrectedLOGS	3558.9551376	4606.08279696	6872
pef	CPEF	Energective CorrectedLOGS	3559.1075376	4611.111936	6904
pef	PEF	OGA Batch Unzipped	3534.7656	4611.4716	7066
porosity	PHIT	OGA Batch Unzipped	4019.0928	4606.1376	3301
potassium	POTA	OGA Batch Unzipped	3534.7656	4616.196	7097
shear_sonic	DTS	Energective CorrectedLOGS	2795.592834	3761.7970687200004	4668
thorium	THOR	OGA Batch Unzipped	3534.7656	4616.196	7097
tvdss	TVDSS	OGA Batch Unzipped	0.6096	4687.9764	30758
tvdss	SS	Energective CorrectedLOGS	99.9744	4680.757913040001	30059
uranium	URAN	OGA Batch Unzipped	3534.7656	4616.196	7097
vshale	VSH	OGA Batch Unzipped	4019.0928	4666.0308	4246
water_resistivity	RW	OGA Batch Unzipped	0.0	4696.206	30816
water_sat	SWT	OGA Batch Unzipped	4019.0928	4606.1376	3301

Survey Inventory (Deviation)

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Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
9/09a-A2	323	4714.500	3477.644	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_09a-A2\WELL_PATH\WDD_QC\9_09a-A2_wdd_WDD_FILE_1681795_DATACO_MAPPED.csv

9/09a-A2

Well Header

Wellbores (1)

Formation Tops (19)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (4)

Rock Samples (0)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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