Well Data Manager / Well Summary / 13/28- 1

13/28- 1

Decommissioned

Well Header

Well No

13/28- 1

NSTA DEN No

1432

Well Name

Drill Seq No

Quadrant / Block

13 / 28

Surface Location

58.002860, -1.521980

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

CALEDONIA NORTH SEA LIMITED

Original Operator

Sub Area Operator

CALEDONIA NORTH SEA LIMITED

Licence No

P297

Licence Type

Production

Spud Date

1979-11-22

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

13/28- 1 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Dry Hole

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

24.079

Ground Elev (m)

Water Depth (m)

71.63

TD MD (m)

3381.756

TD TVDSS (m)

3354.540

TD Datum Depth (m)

24.079

TD Datum Type

Kelly Bushing

Spud Date

1979-11-22

TD Reached

1980-01-19

Completion Date

1980-01-21

Release Date

1984-01-21

Formation Tops (12)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
13/28- 1	Chalk	Mesozoic	792.000	767.892	Lloyds Register
	Ekofisk	Mesozoic	792.000	767.892	Lloyds Register
	Upper Cretaceous Chalk	Mesozoic	911.000	886.888	Lloyds Register
	Cromer Knoll	Mesozoic	1442.000	1417.875	Lloyds Register
	Lower Cretaceous Undifferentiated	Mesozoic	1442.000	1417.875	Lloyds Register
	Humber	Mesozoic	2060.000	2035.797	Lloyds Register
	Kimmeridge Clay		2060.000	2035.797	Lloyds Register
	Burns Sandstone	Mesozoic	2188.000	2163.725	Lloyds Register
	Lossiehead	Mesozoic	2832.000	2364.509	Lloyds Register
	Heron	Palaeozoic	2832.000	2364.509	Lloyds Register
	Rotliegend		2989.000	2364.509	Lloyds Register
	Auk		2989.000	2364.509	Lloyds Register

Lithology Intervals

13/28- 1 Curve: SANDCOUNT 70 intervals · MD 285.902 – 3274.466 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...

Sandstone (68)

Limestone (2)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log

Wellbore	Groups	Formations	Members	Strat Intervals	Tops	HC Occ	Core	Cuttings	DSTs
13/28- 1	5	6	1	12	12	1	1	1	0	View

Hydrocarbon Occurrence (3)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
13/28- 1	Oil shows	OS	*	2012.8992	--	48 m thick
13/28- 1	Oil shows	OS	BLAS	2060.4480000000003	--	575 m thick
13/28- 1	Oil shows	OS	OXSD	2813.6088	--	18 m thick

Rock Samples (66)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
13/28- 1	Cuttings	301.75	3381.76	--	--	.
13/28- 1	Core #1	2841.04	2860.27	φ 9.1% (n=19) · Kh 0.0 mD (n=19) · CORE LABORATORIES U.K. LTD.	SS, GY, VFG, CALC CMT, CLY CLASTS.; SS, GY, VFG, CALC CMT.; SS, RD, VFG, CALC CMT, CLY CLASTS.; SS, RD, VFG, CALC CMT, MICA.; SS, RD, VFG, CALC CMT, W MICA.; SS, RD, VFG, CALC CMT.	well re-boxed (originally curated Aug`81)
13/28- 1	↳ Plug 01	2841.041	--	φ 8.1% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, RD, VFG, CALC CMT.	--
13/28- 1	↳ Plug 02	2841.346	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 03	2841.65	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 04	2841.955	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 05	2842.26	--	φ 10.6% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, RD, VFG, CALC CMT, W MICA.	--
13/28- 1	↳ Plug 06	2842.565	--	φ 5.5% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, GY, VFG, CALC CMT, CLY CLASTS.	--
13/28- 1	↳ Plug 07	2842.87	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 08	2843.174	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 09	2843.479	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 10	2843.784	--	φ 5.8% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, GY, VFG, CALC CMT.	--
13/28- 1	↳ Plug 11	2844.089	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 12	2844.394	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 13	2844.698	--	φ 7.3% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, RD, VFG, CALC CMT.	--
13/28- 1	↳ Plug 14	2845.003	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 15	2845.308	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 16	2845.613	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 17	2845.918	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 18	2846.222	--	φ 11.9% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, RD, VFG, CALC CMT.	--
13/28- 1	↳ Plug 19	2846.527	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 20	2846.832	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 21	2847.137	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 22	2847.442	--	φ 13.0% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, RD, VFG, CALC CMT.	--
13/28- 1	↳ Plug 23	2847.746	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 24	2848.051	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 25	2848.356	--	φ 6.1% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, GY, VFG, CALC CMT.	--
13/28- 1	↳ Plug 26	2848.661	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 27	2848.966	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 28	2849.27	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 29	2849.575	--	φ 10.3% · Kh 0.1 mD · CORE LABORATORIES U.K. LTD.	SS, RD, VFG, CALC CMT, MICA.	--
13/28- 1	↳ Plug 30	2849.88	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 31	2850.185	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 32	2850.49	--	φ 6.7% · Kh 0.1 mD · CORE LABORATORIES U.K. LTD.	SS, RD, VFG, CALC CMT, CLY CLASTS.	--
13/28- 1	↳ Plug 33	2850.794	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 34	2851.099	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 35	2851.404	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 36	2851.709	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 37	2852.014	--	φ 8.3% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, RD, VFG, CALC CMT.	--
13/28- 1	↳ Plug 38	2852.318	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 39	2852.623	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 40	2852.928	--	φ 5.3% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, GY, VFG, CALC CMT.	--
13/28- 1	↳ Plug 41	2853.233	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 42	2853.538	--	φ 12.4% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, RD, VFG, CALC CMT.	--
13/28- 1	↳ Plug 43	2853.842	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 44	2854.147	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 45	2854.452	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 46	2854.757	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 47	2855.062	--	φ 11.8% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, RD, VFG, CALC CMT.	--
13/28- 1	↳ Plug 48	2855.366	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 49	2855.671	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 50	2855.976	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 51	2856.281	--	φ 12.6% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, RD, VFG, CALC CMT.	--
13/28- 1	↳ Plug 52	2856.586	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 53	2856.89	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 54	2857.195	--	φ 8.8% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, RD, VFG, CALC CMT.	--
13/28- 1	↳ Plug 55	2857.5	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 56	2857.805	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 57	2858.11	--	φ 13.2% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, RD, VFG, CALC CMT.	--
13/28- 1	↳ Plug 58	2858.414	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 59	2858.719	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 60	2859.024	--	φ 3.6% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, RD, VFG, CALC CMT.	--
13/28- 1	↳ Plug 61	2859.329	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 62	2859.634	--	φ 12.0% · Kh 0.0 mD · CORE LABORATORIES U.K. LTD.	SS, RD, VFG, CALC CMT, CLY CLASTS.	--
13/28- 1	↳ Plug 63	2859.938	--	CORE LABORATORIES U.K. LTD.	--	--
13/28- 1	↳ Plug 64	2860.243	--	CORE LABORATORIES U.K. LTD.	--	--

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
13/28- 1	285.4451904296875	3276.44775390625	8	0	2026-08-06 07:48:04.976198+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

13/28- 1

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
caliper	CALI	CGG Digital Well Logs	1493.0628000000002	3274.9236	11550
caliper	CALS	CGG Digital Well Logs	1828.9524000000001	2938.7292	7283
comp_sonic	DT	CGG Digital Well Logs	290.1696	3270.8088000000002	19559
deep_resistivity	LLD	CGG Digital Well Logs	1828.9524000000001	2938.8816	7284
deep_resistivity	ILD	CGG Digital Well Logs	290.322	3274.7712	19584
gamma_ray	GR	CGG Digital Well Logs	285.4452	3274.7712	19616
gamma_ray	GRL	CGG Digital Well Logs	1828.9524000000001	2932.6332	7243
micro_resistivity	MSFL	CGG Digital Well Logs	1828.9524000000001	2938.8816	7284
neutron_por	NPHI	CGG Digital Well Logs	1524.0	3274.4664000000002	11487
shallow_resistivity	SFLU	CGG Digital Well Logs	289.7124	3276.1428	19597
shallow_resistivity	LLS	CGG Digital Well Logs	1828.9524000000001	2938.7292	7283
sp	SPL	CGG Digital Well Logs	1828.8000000000002	2928.9756	7220
sp	SP	CGG Digital Well Logs	289.7124	3276.4476	19599

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
13/28- 1	78	2389.020	2364.509	D:\BigSpatial\nsta_raw\CGG_Deviation\13-28-1 827ab_CGG-Deviation.xlsx

13/28- 1

Well Header

Wellbores (1)

Formation Tops (12)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (3)

Rock Samples (66)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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