Well Data Manager / Well Summary / 16/07a- 4

16/07a- 4

Decommissioned

Well Header

Well No

16/07a- 4

NSTA DEN No

870

Well Name

Drill Seq No

Quadrant / Block

16 / 7 a

Surface Location

58.711568, 1.270023

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

TAQA BRATANI LIMITED

Original Operator

Sub Area Operator

TAQA BRATANI LIMITED

Licence No

P108

Licence Type

Production

Spud Date

1976-06-26

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (2)

16/07a- 4 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Oil Show

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

25.298

Ground Elev (m)

Water Depth (m)

108.51

TD MD (m)

475.488

TD TVDSS (m)

TD Datum Depth (m)

25.298

TD Datum Type

Kelly Bushing

Spud Date

1976-06-26

TD Reached

1976-07-01

Completion Date

1976-07-04

Release Date

1980-07-04

16/07a- 4A Sidetrack A parent: 16/07a- 4

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Oil Show

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

25.298

Ground Elev (m)

Water Depth (m)

108.51

TD MD (m)

3955.390

TD TVDSS (m)

3919.908

TD Datum Depth (m)

25.298

TD Datum Type

Kelly Bushing

Spud Date

1976-07-04

TD Reached

1976-09-07

Completion Date

1976-10-08

Release Date

1980-10-08

Formation Tops (8)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
16/07a- 4A	Grid Sst		1339.000	1313.600	Ternan
	Odin Sst	Cenozoic	1949.000	1923.428	Ternan
	Odin Sst	Cenozoic	1949.000	1923.428	Ternan
	Skadan Sst		2117.000	2091.220	Ternan
	Maureen Sst	Mesozoic	2530.000	2503.242	Ternan
	Chalk	Mesozoic	2692.000	2664.827	Ternan
	Brae Sst		3622.000	3590.693	Ternan
	Old Red Sandstone		3895.000	3859.636	Ternan

Lithology Intervals

16/07a- 4A Curve: SANDCOUNT 200 intervals · MD 489.356 – 3950.970 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NNS, ESP, ...

Sandstone (117)

Limestone (83)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log

Wellbore	Groups	Formations	Members	Strat Intervals	Tops	HC Occ	Core	Cuttings	DSTs
16/07a- 4	0	0	0	0	0	0	8	1	0	View
16/07a- 4A	0	0	0	25	8	0	0	0	0	View

Hydrocarbon Occurrence (2)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
16/07a- 4A	Oil shows	OS	NSGQ	1929.384	--	147 m thick
16/07a- 4A	Oil shows	OS	Brae Formation	3622.2432000000003	--	272 m thick

Rock Samples (9)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
16/07a- 4	Cuttings	484.63	3953.26	--	--	.
16/07a- 4	Core #1	3639.01	3643.37	--	--	.
16/07a- 4	Core #2	3643.58	3644.04	--	--	.
16/07a- 4	Core #3	3644.8	3646.32	--	--	.
16/07a- 4	Core #4	3723.44	3726.06	--	--	.
16/07a- 4	Core #5	3727.09	3728.44	--	--	.
16/07a- 4	Core #6	3814.27	3826.15	--	--	.
16/07a- 4	Core #7	3886.2	3891.69	--	--	.
16/07a- 4	Core #8	3953.26	3955.39	--	--	.

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
16/07a- 4	3589.934326171875	3953.560791015625	9	0	2026-08-06 08:48:55.760885+00	View Log
16/07a- 4A	3347.770751953125	3960.114013671875	13	0	2026-08-06 08:48:56.952628+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

16/07a- 4

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	CDEN	Energective CorrectedLOGS	3589.9344	3953.5608	2387
caliper	CLD	Energective CorrectedLOGS	3589.9344	3951.4272	2373
comp_sonic	DTC	Energective CorrectedLOGS	3589.9344	3953.2560000000003	2385
deep_resistivity	ILD	Energective CorrectedLOGS	3589.9344	3952.0368000000003	2377
deep_resistivity	LLD	Energective CorrectedLOGS	3589.9344	3949.5984000000003	2361
density_correction	CDRH	Energective CorrectedLOGS	3589.9344	3953.5608	2387
gamma_ray	GRI	Energective CorrectedLOGS	3589.9344	3951.4272	2373
neutron_por	CNEU	Energective CorrectedLOGS	3589.9344	3949.2936000000004	2359
shallow_resistivity	LLS	Energective CorrectedLOGS	3589.9344	3950.3604	2366
shallow_resistivity	SFL	Energective CorrectedLOGS	3589.9344	3952.0368000000003	2377
sp	SP	Energective CorrectedLOGS	3589.9344	3953.2560000000003	2385
tvdss	SS	Energective CorrectedLOGS	3589.9344	3953.8656	2389

16/07a- 4A

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	DEN	OGA Batch Unzipped	3329.0256000000004	3955.3896	4111
bulk_density	CDEN	Energective CorrectedLOGS	3352.6476000000002	3956.304	3962
caliper	CALI	OGA Batch Unzipped	3329.0256000000004	3954.3228000000004	4104
caliper	CLD	Energective CorrectedLOGS	3352.6476000000002	3954.018	3947
comp_sonic	DTC	Energective CorrectedLOGS	3352.6476000000002	3959.3520000000003	3960
comp_sonic	DT	OGA Batch Unzipped	3329.0256000000004	3955.3896	4111
deep_resistivity	ILD	Energective CorrectedLOGS	3352.6476000000002	3950.9700000000003	3905
deep_resistivity	LLD	Energective CorrectedLOGS	3352.6476000000002	3950.208	3922
deep_resistivity	RES_DEP	OGA Batch Unzipped	3329.0256000000004	3955.3896	4111
density_correction	DENC	OGA Batch Unzipped	3329.0256000000004	3955.3896	4111
density_correction	CDRH	Energective CorrectedLOGS	3352.6476000000002	3956.4564	3963
gamma_ray	GR	OGA Batch Unzipped	3329.0256000000004	3955.3896	4111
gamma_ray	GRI	Energective CorrectedLOGS	3349.5996	3958.1328000000003	3994
micro_resistivity	MLL	Energective CorrectedLOGS	3352.6476000000002	3952.7988	3929
neutron_por	CNEU	Energective CorrectedLOGS	3347.7708000000002	3949.1412	3947
neutron_por	NEU	OGA Batch Unzipped	3329.0256000000004	3955.3896	4111
porosity	PHIE	OGA Batch Unzipped	3563.7216000000003	3951.4272	2545
shallow_resistivity	LLS	Energective CorrectedLOGS	3352.6476000000002	3950.208	3922
shallow_resistivity	RES_SLW	OGA Batch Unzipped	3329.0256000000004	3955.3896	4111
shallow_resistivity	SFL	Energective CorrectedLOGS	3352.6476000000002	3951.4272	3908
sp	SP	Energective CorrectedLOGS	3352.6476000000002	3960.114	3965
tvdss	SS	Energective CorrectedLOGS	3347.6184000000003	3960.2664	4021
vshale	VCLAY	OGA Batch Unzipped	3563.7216000000003	3951.4272	2545
water_sat	SW	OGA Batch Unzipped	3563.7216000000003	3951.4272	2545

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
16/07a- 4	0	--	--	--
16/07a- 4A	83	3955.390	3919.165	G:\NSTA_BigFiles\OGA_Batch_Unzipped\UK_16\16_07a- 4A\WELL_PATH\WDD_QC\16_07a-_4A_wdd_WDD_FILE_103281463_DATACO_MAPPED.csv

16/07a- 4

Well Header

Wellbores (2)

Formation Tops (8)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (2)

Rock Samples (9)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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