Well Data Manager / Well Summary / 211/23a- 15

211/23a- 15

Decommissioned

Well Header

Well No

211/23a- 15

NSTA DEN No

6504

Well Name

Drill Seq No

Quadrant / Block

211 / 23 a

Surface Location

61.292400, 1.471181

Source Datum

ED50

Subsea Well

Yes

Platform

Slot No

Operator

FAIRFIELD FAGUS LIMITED

Original Operator

Sub Area Operator

FAIRFIELD FAGUS LIMITED

Licence No

P296

Licence Type

Production

Spud Date

1998-11-05

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (2)

211/23a- 15 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Development

Original Intent

Development

Flow Class

Oil Well

Dev Type

Producer

Convention

Primary Target

P12

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

26.518

Ground Elev (m)

Water Depth (m)

150.27

TD MD (m)

4354.070

TD TVDSS (m)

2979.115

TD Datum Depth (m)

26.518

TD Datum Type

Kelly Bushing

Spud Date

1998-11-05

TD Reached

1999-04-30

Completion Date

1999-06-11

Release Date

2003-06-11

211/23a- 15Z Sidetrack Z parent: 211/23a- 15

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Oil Well

Dev Type

Producer

Convention

Primary Target

Well Seq

WB2

Datum Type

Kelly Bushing

Datum Elev (m)

26.518

Ground Elev (m)

Water Depth (m)

150.27

TD MD (m)

4692.701

TD TVDSS (m)

3191.866

TD Datum Depth (m)

26.518

TD Datum Type

Kelly Bushing

Spud Date

1999-03-23

TD Reached

1999-04-05

Completion Date

1999-04-14

Release Date

2003-04-14

Formation Tops (12)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
211/23a- 15Z	Hutton Sand Formation	Palaeozoic	150.000	123.482	BGS LithoStrat Upper
	Hutton Clay Formation		1160.000	1124.313	BGS LithoStrat Upper
	Balder	Cenozoic	1607.000	1526.184	BGS LithoStrat Upper
	Sele	Mesozoic	1640.000	1555.592	BGS LithoStrat Upper
	Lista	Mesozoic	1679.000	1590.281	BGS LithoStrat Upper
	Shetland F		1851.000	1743.669	BGS LithoStrat Upper
	Shetland F		1881.000	1770.257	BGS LithoStrat Upper
	Shetland E		1911.000	1796.965	BGS LithoStrat Upper
	Shetland E Limestone Member		2227.000	2053.414	BGS LithoStrat Upper
	Shetland D		2262.000	2074.408	BGS LithoStrat Upper
	Shetland C		3978.000	2728.291	BGS LithoStrat Upper
	Upper Valhall	Mesozoic	4179.000	2844.921	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
211/23a- 15	0	0	0	0	0	0	0	1	0	View
211/23a- 15Z	0	0	0	11	12	0	0	1	0	View

Hydrocarbon Occurrence (0)

No hydrocarbon shows or DSTs recorded for this well.

Rock Samples (2)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
211/23a- 15	Cuttings	3207.11	4354.07	--	--	in as 211/23A-15(ML-P12) / gap 11026-11446, 11486-11800ft
211/23a- 15Z	Cuttings	1874.52	4692.7	--	--	gap 8760-8940ft, 10380-10560ft

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
211/23a- 15	3022.70166015625	4351.47705078125	10	0	2026-08-06 11:22:56.188583+00	View Log
211/23a- 15Z	603.3516235351562	4684.62353515625	9	0	2026-08-06 11:22:59.509016+00	View Log

Source LAS Manifest (Best Curve per Type)

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211/23a- 15

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	DEN	OGA Batch Unzipped	3371.3928	4314.7488	6191
bulk_density	CDEN	Energective CorrectedLOGS	3486.9120000000003	4324.0452000000005	5494
caliper	CLD	Energective CorrectedLOGS	3486.9120000000003	4322.826	5486
caliper	CALI	OGA Batch Unzipped	3486.15	4318.4064	5461
deep_resistivity	AT90	Energective CorrectedLOGS	3490.2648000000004	4328.617200000001	5502
deep_resistivity	RES_DEP	OGA Batch Unzipped	3490.2648000000004	4328.617200000001	5502
density_correction	CDRH	Energective CorrectedLOGS	3486.9120000000003	4322.6736	5485
gamma_ray	GR	OGA Batch Unzipped	3200.4	4334.8656	7444
gamma_ray	GRLW	Energective CorrectedLOGS	3022.7016000000003	4351.4772	7968
gamma_ray	GRI	Energective CorrectedLOGS	3382.2132	4334.8656	6252
med_resistivity	AT30	Energective CorrectedLOGS	3490.2648000000004	4328.617200000001	5502
med_resistivity	AT60	Energective CorrectedLOGS	3490.2648000000004	4328.617200000001	5502
med_resistivity	AT20	Energective CorrectedLOGS	3490.2648000000004	4328.617200000001	5502
neutron_por	CNEU	Energective CorrectedLOGS	3370.4784	4318.5588	6222
neutron_por	NEU	OGA Batch Unzipped	3370.326	4314.7488	6198
pef	CPEF	Energective CorrectedLOGS	3486.9120000000003	4322.5212	5484
shallow_resistivity	AT10	Energective CorrectedLOGS	3490.2648000000004	4328.617200000001	5502
tvdss	SS	Energective CorrectedLOGS	3022.7016000000003	4351.6296	8721
vshale	VSH	Energective CorrectedLOGS	3034.7412	4351.4772	7889
vshale	VSGR	Energective CorrectedLOGS	3034.7412	4351.4772	7889

211/23a- 15Z

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	LDL	Energective CorrectedLOGS	4037.838	4665.573600000001	4120
bulk_density	DEN	OGA Batch Unzipped	4037.838	4665.573600000001	4120
caliper	CALI	OGA Batch Unzipped	4037.5332000000003	4666.9452	4131
caliper	CLD	Energective CorrectedLOGS	4037.5332000000003	4666.9452	4131
comp_sonic	DTC	Energective CorrectedLOGS	4029.9132000000004	4659.9348	4135
comp_sonic	DT	OGA Batch Unzipped	4029.9132000000004	4659.9348	4135
density_correction	DENC	OGA Batch Unzipped	4037.838	4665.421200000001	4119
density_correction	DRH	Energective CorrectedLOGS	4037.838	4665.421200000001	4115
gamma_ray	GR	OGA Batch Unzipped	603.3516000000001	4684.6236	26711
gamma_ray	GRI	Energective CorrectedLOGS	603.3516000000001	4684.6236	26711
med_resistivity	RES_MED	OGA Batch Unzipped	4052.6208	4683.252	4139
neutron_por	CNLC	Energective CorrectedLOGS	4037.5332000000003	4666.488	4128
neutron_por	NEU	OGA Batch Unzipped	4037.5332000000003	4666.488	4128
porosity	POR	OGA Batch Unzipped	4478.1216	4651.7052	1140
shear_sonic	DTS	Energective CorrectedLOGS	4461.2052	4658.258400000001	1294
tvdss	SS	Energective CorrectedLOGS	603.1992	4684.776	26783
vshale	VSGR	Energective CorrectedLOGS	4036.7712	4683.7092	4244
vshale	VSH	Energective CorrectedLOGS	4036.7712	4683.7092	4244

Survey Inventory (Deviation)

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Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
211/23a- 15	570	4354.068	3017.610	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_23a- 15\WELL_PATH\WDD_QC\211_23a-_15_wdd_WDD_FILE_1681952_DATACO_MAPPED.csv
211/23a- 15Z	366	4692.701	3193.638	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_211\211_23a- 15Z\WELL_PATH\WDD_QC\211_23a-_15Z_wdd_WDD_FILE_1923585_DATACO_MAPPED.csv

211/23a- 15

Well Header

Wellbores (2)

Formation Tops (12)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (0)

Rock Samples (2)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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