Well Data Manager / Well Summary / 9/09a-A1

9/09a-A1

Present

Well Header

Well No

9/09a-A1

NSTA DEN No

4135

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

1990-07-03

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

9/09a-A1 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)

4013.500

TD TVDSS (m)

3556.140

TD Datum Depth (m)

24.293

TD Datum Type

Kelly Bushing

Spud Date

1990-07-03

TD Reached

1990-08-25

Completion Date

1990-09-04

Release Date

1994-09-04

Formation Tops (17)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
9/09a-A1	Unknown		147.000	-50.800	BGS LithoStrat Upper
	Unknown		350.000	125.445	BGS LithoStrat Upper
	Unknown		800.000	534.249	BGS LithoStrat Upper
	Frigg Formation		1955.000	1447.717	BGS LithoStrat Upper
	Balder	Cenozoic	2210.000	1648.915	BGS LithoStrat Upper
	Sele	Mesozoic	2284.000	1709.837	BGS LithoStrat Upper
	Forties Formation Equivalent		2450.000	1850.329	BGS LithoStrat Upper
	Lista	Mesozoic	2557.000	1947.811	BGS LithoStrat Upper
	Andrew	Cenozoic	2712.000	2094.614	BGS LithoStrat Upper
	Maureen	Mesozoic	3081.000	2452.785	BGS LithoStrat Upper
	Shetland	Mesozoic	3144.000	2515.430	BGS LithoStrat Upper
	Heather	Mesozoic	3652.000	3022.597	BGS LithoStrat Upper
	Upper Bruce Stn		3675.000	3045.567	BGS LithoStrat Upper
	Bruce A Sand		3765.000	3135.460	BGS LithoStrat Upper
	Bruce B Sand		3821.000	3191.384	BGS LithoStrat Upper
	Bruce C Sand	Palaeozoic	3876.000	3246.297	BGS LithoStrat Upper
	Cormorant	Mesozoic	3932.000	3302.201	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-A1	0	0	0	17	17	0	0	1	0	View

Hydrocarbon Occurrence (6)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
9/09a-A1	Oil shows	OS	Shetland Group	3144.152208	--	508 m thick
9/09a-A1	Gas	G	Heather Formation	3651.677736	--	23 m thick
9/09a-A1	Gas	G	TUBS	3674.6779440000005	--	90 m thick
9/09a-A1	Gas	G	BRAS	3764.6823360000003	--	57 m thick
9/09a-A1	Gas	G	BRBS	3821.18616	--	55 m thick
9/09a-A1	Gas	G	BRCS	3875.690496	--	57 m thick

Rock Samples (1)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
9/09a-A1	Cuttings	3418.0	3985.0	--	--	--

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
9/09a-A1	100.12680053710938	3950.5126953125	12	0	2026-08-08 02:09:09.045694+00	View Log

Source LAS Manifest (Best Curve per Type)

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9/09a-A1

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	CDEN	Energective CorrectedLOGS	3412.04333592	3950.3135827200003	3533
bulk_density	DEN	OGA Batch Unzipped	3411.99901	3950.39885	5385
bulk_density	RHOB	OGA Batch Unzipped	3412.0836	3950.3604	3533
caliper	CALI	OGA Batch Unzipped	3412.0836	3950.3604	3533
caliper	CLD	Energective CorrectedLOGS	3412.04333592	3950.3135827200003	3533
comp_sonic	DTCO	OGA Batch Unzipped	800.7096	3950.3604	20668
comp_sonic	DT	OGA Batch Unzipped	800.69979	3950.49885	31499
comp_sonic	DTC	Energective CorrectedLOGS	800.8534656	3950.4659827200003	20667
deep_resistivity	RDEEP	OGA Batch Unzipped	1933.3464	3950.3604	13236
deep_resistivity	RES_DEP	OGA Batch Unzipped	1933.29945	3950.49885	20173
deep_resistivity	ILD	Energective CorrectedLOGS	1933.3241191200002	3950.4659827200003	13237
density_correction	DENC	OGA Batch Unzipped	3373.19902	3968.19884	5951
density_correction	CDRH	Energective CorrectedLOGS	3409.4525664000003	3950.1611827200004	3549
density_correction	DRHO	OGA Batch Unzipped	3373.2216	3968.1912	3905
gamma_ray	GR	OGA Batch Unzipped	100.1268	3950.3604	25265
gamma_ray	GRI	Energective CorrectedLOGS	100.1268	3950.3135827200003	25265
med_resistivity	ILM	Energective CorrectedLOGS	3412.04333592	3950.3135827200003	3533
med_resistivity	RES_MED	OGA Batch Unzipped	3411.99901	3950.39885	5385
neutron_por	CNEU	Energective CorrectedLOGS	3412.04333592	3950.3135827200003	3533
pef	PEF	OGA Batch Unzipped	3373.2216	3968.1912	3905
pef	CPEF	Energective CorrectedLOGS	3408.9953664000004	3950.3135827200003	3546
porosity	PHIT	OGA Batch Unzipped	3669.03	3931.6152	1724
potassium	POTA	OGA Batch Unzipped	3373.2216	3968.1912	3905
thorium	THOR	OGA Batch Unzipped	3373.2216	3968.1912	3905
tvdss	SS	Energective CorrectedLOGS	99.9744	3950.4659827200003	25267
tvdss	TVDSS	OGA Batch Unzipped	0.6096	3969.1056	26041
uranium	URAN	OGA Batch Unzipped	3373.2216	3968.1912	3905
vshale	VSH	OGA Batch Unzipped	3669.03	3931.6152	1724
water_resistivity	RW	OGA Batch Unzipped	0.0	3969.1056	26045
water_sat	SWT	OGA Batch Unzipped	3669.03	3931.6152	1723

Survey Inventory (Deviation)

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Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
9/09a-A1	356	4013.500	3383.548	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_9\9_09a-A1\WELL_PATH\WDD_QC\9_09a-A1_wdd_WDD_FILE_1681791_DATACO_MAPPED.csv

9/09a-A1

Well Header

Wellbores (1)

Formation Tops (17)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (6)

Rock Samples (1)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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