Well Data Manager / Well Summary / 44/28- 1

44/28- 1

Decommissioned

Well Header

Well No

44/28- 1

NSTA DEN No

2387

Well Name

Drill Seq No

Quadrant / Block

44 / 28

Surface Location

54.060916, 2.446528

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

DNO NORTH SEA (ROGB) LIMITED

Original Operator

Sub Area Operator

DNO NORTH SEA (ROGB) LIMITED

Licence No

P453

Licence Type

Production

Spud Date

1984-05-13

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

44/28- 1 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Gas Well

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

35.966

Ground Elev (m)

Water Depth (m)

50.60

TD MD (m)

4315.358

TD TVDSS (m)

4315.358

TD Datum Depth (m)

35.966

TD Datum Type

Kelly Bushing

Spud Date

1984-05-13

TD Reached

1984-10-08

Completion Date

1984-11-06

Release Date

1988-11-06

Formation Tops (44)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
44/28- 1	North Sea Clay Formation	Palaeozoic	87.000	51.034	BGS LithoStrat Upper
	North Sea Clay Formation	Palaeozoic	213.000	177.034	BGS LithoStrat Upper
	North Sea Clay Formation	Palaeozoic	378.000	342.034	BGS LithoStrat Upper
	North Sea Clay Formation	Palaeozoic	415.000	379.034	BGS LithoStrat Upper
	North Sea Clay Formation	Palaeozoic	488.000	452.034	BGS LithoStrat Upper
	North Sea Clay Formation	Palaeozoic	515.000	479.034	BGS LithoStrat Upper
	North Sea Clay Formation	Palaeozoic	570.000	534.034	BGS LithoStrat Upper
	North Sea Clay Formation	Palaeozoic	652.000	616.034	BGS LithoStrat Upper
	North Sea Clay Formation	Palaeozoic	735.000	699.034	BGS LithoStrat Upper
	North Sea Clay Formation	Palaeozoic	753.000	717.034	BGS LithoStrat Upper
	North Sea Clay Formation	Palaeozoic	1478.000	1442.034	BGS LithoStrat Upper
	North Sea Clay Formation	Palaeozoic	1585.000	1549.034	BGS LithoStrat Upper
	North Sea Clay Formation	Palaeozoic	1594.000	1558.034	BGS LithoStrat Upper
	Ekofisk	Mesozoic	1620.000	1584.034	BGS LithoStrat Upper
	Chalk	Mesozoic	1620.000	1584.034	BGS LithoStrat Upper
	Chalk	Mesozoic	1664.000	1628.034	BGS LithoStrat Upper
	Chalk	Mesozoic	1890.000	1854.034	BGS LithoStrat Upper
	Chalk	Mesozoic	2356.000	2320.034	BGS LithoStrat Upper
	Chalk	Mesozoic	2387.000	2351.034	BGS LithoStrat Upper
	Chalk	Mesozoic	2539.000	2503.034	BGS LithoStrat Upper
	Plenus Marl		2597.000	2561.034	BGS LithoStrat Upper
	Hidra	Mesozoic	2598.000	2562.034	BGS LithoStrat Upper
	Haisborough	Mesozoic	2623.000	2587.034	BGS LithoStrat Upper
	Cromer Knoll	Mesozoic	2623.000	2587.034	BGS LithoStrat Upper
	Cromer Knoll	Mesozoic	2627.000	2591.034	BGS LithoStrat Upper
	Cromer Knoll	Mesozoic	2643.000	2607.034	BGS LithoStrat Upper
	Haisborough	Mesozoic	2656.000	2620.034	BGS LithoStrat Upper
	Rot Halite Member		2806.000	2770.034	BGS LithoStrat Upper
	Lower Rot Claystone		2821.000	2785.034	BGS LithoStrat Upper
	Bunter Sandstone	Mesozoic	2829.000	2793.034	BGS LithoStrat Upper
	Bunter Sandstone	Mesozoic	2829.000	2793.034	BGS LithoStrat Upper
	Bunter Shale	Mesozoic	3012.000	2976.034	BGS LithoStrat Upper
	Bunter Shale	Mesozoic	3012.000	2976.034	BGS LithoStrat Upper
	Brockelschiefer Member		3340.000	3304.034	BGS LithoStrat Upper
	Zechstein	Palaeozoic	3377.000	3341.034	BGS LithoStrat Upper
	Zechstein	Palaeozoic	3377.000	3341.034	BGS LithoStrat Upper
	Werraanhydrit	Palaeozoic	3499.000	3463.034	BGS LithoStrat Upper
	Zechsteinkalk	Palaeozoic	3534.000	3498.034	BGS LithoStrat Upper
	Kupferschiefer	Palaeozoic	3573.000	3537.034	BGS LithoStrat Upper
	Silverpit		3575.000	3539.034	BGS LithoStrat Upper
	Rotliegendes		3575.000	3539.034	BGS LithoStrat Upper
	Barren Measures		3787.000	3751.034	BGS LithoStrat Upper
	Coal Measures		4008.000	3972.034	BGS LithoStrat Upper
	Coal Measures		4069.000	4033.034	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
44/28- 1	6	3	0	38	44	2	11	1	2	View

Hydrocarbon Occurrence (3)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
44/28- 1	Gas	G	Warwickshire Group	3786.5304	--	222 m thick
44/28- 1	DST	DST 2	--	3817.3	3824.6	Not used for labelling, multiple DSTs in same play / Westphalian
44/28- 1	DST	DST 1	--	3863.7	3868.2	Label / Westphalian

Rock Samples (40)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
44/28- 1	Cuttings	213.36	4352.54	--	--	.
44/28- 1	Core #1	3821.58	3822.5	--	--	.
44/28- 1	Core #2	3824.33	3838.65	φ 14.1% (n=5) · Kh 539.0 mD (n=5) · Density 2.65 (n=5) · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED USING COMPRESSED AIR; HORIZONTAL PLUGS DRILLED USING TAP WATER; HORIZONTAL PLUGS DRILLED USING TAP WATER; HORIZONTAL PLUGS DRILLED USING COMPRESSED AIR; VERTICAL PLUG DRILLED USING COMPRESSED AIR; grain_density also reported as 2.64 by CORE LABORATORIES UK LTD. (row 506437); HORIZONTAL PLUGS DRILLED USING TAP WATER; HORIZONTAL PLUGS DRILLED USING COMPRESSED AIR; grain_density also reported as 2.63 by CORE LABORATORIES UK LTD. (row 506432); HORIZONTAL PLUGS DRILLED USING TAP WATER; HORIZONTAL PLUGS DRILLED USING COMPRESSED AIR; grain_density also reported as 2.63 by CORE LABORATORIES UK LTD. (row 506434); HORIZONTAL PLUGS DRILLED USING TAP WATER; HORIZONTAL PLUGS DRILLED USING COMPRESSED AIR; grain_density also reported as 2.63 by CORE LABORATORIES UK LTD. (row 506439) \| SST GRY V WL CMT CRS GR CLASTS; SST LT GRY V WL CMT CRS GR CLASTS; SST GRY V WL CMT M-GR MOTT; SST LT GRY V WL CMT LAM; SST LT GRY V WL CMT M-GR LAM; SST LT GRY V WL CMT M-CRS GR; SST RD/BRN V WL CMT M-GR MOTT RD	.
44/28- 1	↳ Plug A2	3826.185	--	φ 14.0% · Kh 806.0 mD · Density 2.65 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED USING TAP WATER; HORIZONTAL PLUGS DRILLED USING COMPRESSED AIR; grain_density also reported as 2.63 by CORE LABORATORIES UK LTD. (row 506432) \| SST GRY V WL CMT CRS GR CLASTS; SST LT GRY V WL CMT CRS GR CLASTS	--
44/28- 1	↳ Plug B2	3827.282	--	φ 13.9% · Kh 1080.0 mD · Density 2.64 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED USING TAP WATER; HORIZONTAL PLUGS DRILLED USING COMPRESSED AIR; grain_density also reported as 2.63 by CORE LABORATORIES UK LTD. (row 506434) \| SST LT GRY V WL CMT M-CRS GR	--
44/28- 1	↳ Plug C2	3832.616	--	φ 16.1% · Kh 317.0 mD · Density 2.65 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED USING TAP WATER; HORIZONTAL PLUGS DRILLED USING COMPRESSED AIR; VERTICAL PLUG DRILLED USING COMPRESSED AIR; grain_density also reported as 2.64 by CORE LABORATORIES UK LTD. (row 506437) \| SST GRY V WL CMT M-GR MOTT	--
44/28- 1	↳ Plug D2	3834.079	--	φ 15.7% · Kh 481.0 mD · Density 2.67 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED USING TAP WATER; HORIZONTAL PLUGS DRILLED USING COMPRESSED AIR; grain_density also reported as 2.63 by CORE LABORATORIES UK LTD. (row 506439) \| SST LT GRY V WL CMT LAM; SST LT GRY V WL CMT M-GR LAM	--
44/28- 1	↳ Plug E2	3837.859	--	φ 10.7% · Kh 11.0 mD · Density 2.65 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED USING COMPRESSED AIR; HORIZONTAL PLUGS DRILLED USING TAP WATER \| SST RD/BRN V WL CMT M-GR MOTT RD	--
44/28- 1	Core #3	3838.96	3842.46	--	--	.
44/28- 1	Core #4	3842.31	3853.28	φ 2.5% (n=2) · Kh 0.0 mD (n=2) · Density 2.67 (n=2) · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH COMPRESSED AIR; HORIZONTAL PLUGS DRILLED WITH TAP WATER \| SST PURP/PNK V WL CMT F-M GR MOTT; SST PURPSH V WL CMT M-GR MIC	.
44/28- 1	↳ Plug 1D	3848.009	--	φ 2.5% · Kh 0.0 mD · Density 2.67 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH COMPRESSED AIR \| SST PURP/PNK V WL CMT F-M GR MOTT	--
44/28- 1	↳ Plug 1W	3848.009	--	φ 2.4% · Kh 0.0 mD · Density 2.68 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH TAP WATER \| SST PURPSH V WL CMT M-GR MIC	--
44/28- 1	Core #5	3853.28	3864.25	φ 13.9% (n=6) · Kh 175.2 mD (n=6) · Density 2.67 (n=6) · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED USING TAP WATER; HORIZONTAL PLUGS DRILLED USING COMPRESSED AIR; grain_density also reported as 2.64 by CORE LABORATORIES UK LTD. (row 506413); HORIZONTAL PLUGS DRILLED WITH COMPRESSED AIR; HORIZONTAL PLUGS DRILLED WITH TAP WATER; VERTICAL PLUGS DRILLED WITH COMPRESSED AIR \| SST GRY V WL CMT F-M GR; SST GRY/PURP V WL CMT M-GR MOTT PURP; SST GRY/PURP V WL CMT M-GR MOTT PURP; SST GRY/PURP V WL CMT MOTT PURP; SST LT GRY V WL CMT M-GR MOTT RDSH; SST OR/BRN/GRY V WL CMT M-CRS GR MOTT MUSC; SST PURP/GRY V WL CMT F-M GR MIC MOTT	.
44/28- 1	↳ Plug 2D	3861.237	--	φ 14.6% · Kh 294.0 mD · Density 2.67 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH COMPRESSED AIR \| SST LT GRY V WL CMT M-GR MOTT RDSH	--
44/28- 1	↳ Plug 2W	3861.237	--	φ 14.9% · Kh 314.0 mD · Density 2.65 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH TAP WATER \| SST GRY/PURP V WL CMT M-GR MOTT PURP	--
44/28- 1	↳ Plug 2DV	3861.511	--	φ 14.6% · Kh 123.0 mD · Density 2.65 · CORE LABORATORIES UK LTD.	VERTICAL PLUGS DRILLED WITH COMPRESSED AIR \| SST GRY V WL CMT F-M GR	--
44/28- 1	↳ Plug F5	3862.807	--	φ 16.0% · Kh 249.0 mD · Density 2.66 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED USING TAP WATER; HORIZONTAL PLUGS DRILLED USING COMPRESSED AIR; grain_density also reported as 2.64 by CORE LABORATORIES UK LTD. (row 506413) \| SST GRY/PURP V WL CMT M-GR MOTT PURP; SST GRY/PURP V WL CMT MOTT PURP	--
44/28- 1	↳ Plug 3D	3863.797	--	φ 10.4% · Kh 8.9 mD · Density 2.71 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH COMPRESSED AIR \| SST OR/BRN/GRY V WL CMT M-CRS GR MOTT MUSC	--
44/28- 1	↳ Plug 3W	3863.797	--	φ 12.7% · Kh 62.0 mD · Density 2.69 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH TAP WATER \| SST PURP/GRY V WL CMT F-M GR MIC MOTT	--
44/28- 1	Core #6	3864.25	3877.06	φ 5.6% (n=5) · Kh 0.7 mD (n=5) · Density 2.67 (n=5) · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH COMPRESSED AIR; HORIZONTAL PLUGS DRILLED WITH TAP WATER; VERTICAL PLUGS DRILLED WITH COMPRESSED AIR \| SST PNK V WL CMT F-GR; SST PNKISH V WL CMT F-GR; SST RDSH/BRN V WL CMT F-GR CLASTS MIC; SST RDSH/BRN V WL CMT M-V CRS GR CLASTS MIC; SST RDSH/PURP V WL CMT F-GR MOTT RD MUSC	jumbled .
44/28- 1	↳ Plug 4W	3864.559	--	φ 5.8% · Kh 1.4 mD · Density 2.70 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH TAP WATER \| SST RDSH/BRN V WL CMT F-GR CLASTS MIC	--
44/28- 1	↳ Plug 4D	3864.559	--	φ 5.9% · Kh 1.8 mD · Density 2.69 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH COMPRESSED AIR \| SST RDSH/BRN V WL CMT M-V CRS GR CLASTS MIC	--
44/28- 1	↳ Plug 5D	3875.227	--	φ 6.0% · Kh 0.0 mD · Density 2.66 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH COMPRESSED AIR \| SST PNKISH V WL CMT F-GR	--
44/28- 1	↳ Plug 5DV	3875.227	--	φ 5.3% · Kh 0.0 mD · Density 2.66 · CORE LABORATORIES UK LTD.	VERTICAL PLUGS DRILLED WITH COMPRESSED AIR \| SST PNK V WL CMT F-GR	--
44/28- 1	↳ Plug 5W	3875.837	--	φ 5.1% · Kh 0.1 mD · Density 2.65 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH TAP WATER \| SST RDSH/PURP V WL CMT F-GR MOTT RD MUSC	--
44/28- 1	Core #7	3877.06	3889.71	--	--	.
44/28- 1	Core #8	3889.55	3907.63	--	--	jumbled .
44/28- 1	Core #9	3965.91	3983.61	φ 5.1% (n=4) · Kh 5.2 mD (n=4) · Density 2.63 (n=4) · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH COMPRESSED AIR; HORIZONTAL PLUGS DRILLED WITH TAP WATER \| SST BRN/RD WL CMT M-CRS GR LGE CLASTS; SST LT GRY V WL CMT F-GR MOTT PURP; SST PNKISH/GN V WL CMT F-GR MOTT; SST RDSH/PURP WL CMT M-GR CLASTS MOTT	jumbled .
44/28- 1	↳ Plug 6D	3966.149	--	φ 3.1% · Kh 11.0 mD · Density 2.64 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH COMPRESSED AIR \| SST PNKISH/GN V WL CMT F-GR MOTT	--
44/28- 1	↳ Plug 6W	3966.149	--	φ 6.9% · Kh 5.4 mD · Density 2.63 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH TAP WATER \| SST LT GRY V WL CMT F-GR MOTT PURP	--
44/28- 1	↳ Plug 7W	3981.115	--	φ 4.6% · Kh 2.1 mD · Density 2.62 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH TAP WATER \| SST BRN/RD WL CMT M-CRS GR LGE CLASTS	--
44/28- 1	↳ Plug 7D	3981.115	--	φ 5.9% · Kh 2.3 mD · Density 2.65 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH COMPRESSED AIR \| SST RDSH/PURP WL CMT M-GR CLASTS MOTT	--
44/28- 1	Core #10	3984.04	4002.6	φ 5.0% (n=6) · Kh 0.2 mD (n=6) · Density 2.68 (n=6) · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH COMPRESSED AIR; HORIZONTAL PLUGS DRILLED WITH TAP WATER \| SST LT PNK V WL CMT F-GR MUSC HEM; SST OR/PNKISH V WL CMT M-GR; SST PURP V WL CMT F-M GR; SST PURP/PNK V WL CMT HEM; SST PURPSH/PNK V WL CMT F-M GR CLASTS; SST RDSH/BRN V WL CMT F-GR MUSC	jumbled .
44/28- 1	↳ Plug 10D	3997.373	--	φ 3.9% · Kh 0.0 mD · Density 2.72 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH COMPRESSED AIR \| SST LT PNK V WL CMT F-GR MUSC HEM	--
44/28- 1	↳ Plug 10W	3997.373	--	φ 2.6% · Kh 0.0 mD · Density 2.70 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH TAP WATER \| SST RDSH/BRN V WL CMT F-GR MUSC	--
44/28- 1	↳ Plug 8D	4001.902	--	φ 3.7% · Kh 0.0 mD · Density 2.71 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH COMPRESSED AIR \| SST PURP/PNK V WL CMT HEM	--
44/28- 1	↳ Plug 8W	4001.902	--	φ 3.1% · Kh 0.1 mD · Density 2.69 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH TAP WATER \| SST PURPSH/PNK V WL CMT F-M GR CLASTS	--
44/28- 1	↳ Plug 9D	4002.496	--	φ 7.9% · Kh 0.5 mD · Density 2.62 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH COMPRESSED AIR \| SST OR/PNKISH V WL CMT M-GR	--
44/28- 1	↳ Plug 9W	4002.496	--	φ 8.7% · Kh 0.6 mD · Density 2.64 · CORE LABORATORIES UK LTD.	HORIZONTAL PLUGS DRILLED WITH TAP WATER \| SST PURP V WL CMT F-M GR	--
44/28- 1	Core #11	4145.58	4162.99	--	--	jumbled .

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
44/28- 1	81.07679748535156	4355.287109375	9	0	2026-08-06 18:41:42.643503+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

44/28- 1

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	DEN	CGG Digital Well Logs	3103.1688000000004	4354.6776	8213
caliper	CALI	CGG Digital Well Logs	3103.1688000000004	4355.287200000001	8217
caliper	CALS	CGG Digital Well Logs	3814.2672000000002	4355.439600000001	3552
comp_sonic	AC	CGG Digital Well Logs	199.1868	4349.3436	27233
deep_resistivity	RD	CGG Digital Well Logs	3814.4196	4351.02	3522
density_correction	CORR	CGG Digital Well Logs	3103.1688000000004	4354.6776	8213
gamma_ray	GR	CGG Digital Well Logs	81.0768	4347.8196	27998
micro_resistivity	RMLL	CGG Digital Well Logs	3814.4196	4355.287200000001	3550
neutron_por	CNC	CGG Digital Well Logs	3103.0164	4353.6108	8207
shallow_resistivity	RS	CGG Digital Well Logs	3814.4196	4351.1724	3523

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
44/28- 1	0	--	--	--

44/28- 1

Well Header

Wellbores (1)

Formation Tops (44)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (3)

Rock Samples (40)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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