Well Data Manager / Well Summary / 15/26b- 5

15/26b- 5

Decommissioned

Well Header

Well No

15/26b- 5

NSTA DEN No

3451

Well Name

Drill Seq No

Quadrant / Block

15 / 26 b

Surface Location

58.020525, 0.024815

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

HESS LIMITED

Original Operator

Sub Area Operator

HESS LIMITED

Licence No

P589

Licence Type

Production

Spud Date

1988-05-05

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

15/26b- 5 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Oil Show

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Kelly Bushing

Datum Elev (m)

25.878

Ground Elev (m)

Water Depth (m)

128.96

TD MD (m)

4072.372

TD TVDSS (m)

0.000

TD Datum Depth (m)

25.878

TD Datum Type

Kelly Bushing

Spud Date

1988-05-05

TD Reached

1988-06-24

Completion Date

1988-07-08

Release Date

1992-07-08

Formation Tops (30)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
15/26b- 5	Horda	Cenozoic	1167.000	1141.122	Lloyds Register
	Stronsay	Cenozoic	1167.000	1141.122	Lloyds Register
	Skroo Sandstone	Cenozoic	1181.000	1155.122	Lloyds Register
	Balder Tuff	Cenozoic	1404.000	1378.122	Lloyds Register
	Balder	Cenozoic	1404.000	1378.122	Lloyds Register
	Moray	Mesozoic	1404.000	1378.122	Lloyds Register
	Beauly	Cenozoic	1454.000	1428.122	Lloyds Register
	Sele	Mesozoic	1515.000	1489.122	Lloyds Register
	Montrose	Mesozoic	1692.000	1666.122	Lloyds Register
	Lista	Mesozoic	1692.000	1666.122	Lloyds Register
	Balmoral Sandstone	Cenozoic	1745.000	1719.122	Lloyds Register
	Glamis Tuff		2029.000	2003.122	Lloyds Register
	Andrew Sandstone	Cenozoic	2137.000	2111.122	Lloyds Register
	Maureen Sandstone	Mesozoic	2254.000	2228.122	Lloyds Register
	Maureen	Mesozoic	2254.000	2228.122	Lloyds Register
	Chalk	Mesozoic	2328.000	2302.122	Lloyds Register
	Ekofisk	Mesozoic	2328.000	2302.122	Lloyds Register
	Upper Cretaceous Chalk	Mesozoic	2359.000	2333.122	Lloyds Register
	Rodby	Mesozoic	2924.000	2898.122	Lloyds Register
	Cromer Knoll	Mesozoic	2924.000	2898.122	Lloyds Register
	Sola		2947.000	2921.122	Lloyds Register
	Britannia Sandstone	Mesozoic	3105.000	3079.122	Lloyds Register
	Valhall	Mesozoic	3316.000	3290.122	Lloyds Register
	Kimmeridge Clay		3577.000	3551.122	Lloyds Register
	Humber	Mesozoic	3577.000	3551.122	Lloyds Register
	Claymore Sandstone	Mesozoic	3648.000	3622.122	Lloyds Register
	Piper	Mesozoic	3885.000	3859.122	Lloyds Register
	Sgiath	Mesozoic	3987.000	3961.122	Lloyds Register
	Fladen	Mesozoic	4046.000	4020.122	Lloyds Register
	Pentland	Mesozoic	4046.000	4020.122	Lloyds Register

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
15/26b- 5	7	16	7	19	30	5	3	1	1	View

Hydrocarbon Occurrence (3)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
15/26b- 5	Mixed shows	OGS	Burns Sandstone Member	3577.175472	--	253 m thick
15/26b- 5	DST	DST 1	--	3648.2	3655.2	Label / Upper Jurassic
15/26b- 5	Gas shows	GS	Piper Formation	3885.5904	--	102 m thick

Rock Samples (28)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
15/26b- 5	Cuttings	799.98	4089.96	--	--	.
15/26b- 5	Core #1	3882.54	3886.44	φ 1.7% (n=12) · Kh 0.0 mD (n=9) · So 39.3% (n=11) · Sw 29.6% (n=11) · Density 2.74 (n=12) · FSP 1.9 (n=11) · ROBERTSON GROUP	NFSP; NVP - CHIP; RUBBLE NO ANALYSIS \| SST, F AND CRS, V W. IND, MOD DOLM, CMTD FRAC.; SST, F AND CRS, V W. IND, MOD DOLM, PARTLY OPEN DOLM CMTD FRAC.; SST, F AND CRS, V W. IND, MOD DOLM, W/ SL ARG.; SST, F AND CRS, V W. IND, MOD DOLM.; SST, F AND MED, SL ARG V W.IND, MOD DOLM, DOLM CMTD FRAC.; SST, F AND MED, V W. IND, MOD DOLM.; SST, F, SL ARG, V W. IND, MOD CALC, ARG ELS, CMTD FRACS.; SST, VF AND RAED, SL ARG, V W.IND, MOD DOLM, DOLM CMTD FRAC.; SST, VF, MOD ARG, V,W.IND, MOD DOLM, W/ FRACS.; SST, VF, MOD ARG, V,W.IND, MOD DOLM.	UKCS 84 .
15/26b- 5	↳ Plug 01	3882.75	--	φ 1.9% · Kh 0.0 mD · So 37.9% · Sw 30.6% · Density 2.72 · FSP 1.4 · ROBERTSON GROUP	SST, F AND CRS, V W. IND, MOD DOLM, CMTD FRAC.	--
15/26b- 5	↳ Plug 02	3882.99	--	φ 2.2% · Kh 0.0 mD · So 56.2% · Sw 33.4% · Density 2.71 · FSP 2.3 · ROBERTSON GROUP	SST, F AND MED, V W. IND, MOD DOLM.	--
15/26b- 5	↳ Plug 03	3883.25	--	φ 1.2% · Kh 0.1 mD · So 34.1% · Sw 19.5% · Density 2.75 · FSP 2.2 · ROBERTSON GROUP	SST, F AND CRS, V W. IND, MOD DOLM.	--
15/26b- 5	↳ Plug 04	3883.5	--	φ 1.8% · Kh 0.0 mD · So 35.7% · Sw 17.3% · Density 2.72 · FSP 2.1 · ROBERTSON GROUP	SST, F AND MED, SL ARG V W.IND, MOD DOLM, DOLM CMTD FRAC.	--
15/26b- 5	↳ Plug 05	3883.75	--	φ 1.2% · So 48.0% · Sw 21.3% · Density 2.75 · FSP 2.0 · ROBERTSON GROUP	NVP - CHIP \| SST, F AND CRS, V W. IND, MOD DOLM.	--
15/26b- 5	↳ Plug 06	3884.0	--	φ 1.5% · Kh 0.0 mD · So 38.7% · Sw 23.2% · Density 2.78 · FSP 1.4 · ROBERTSON GROUP	SST, F AND CRS, V W. IND, MOD DOLM, PARTLY OPEN DOLM CMTD FRAC.	--
15/26b- 5	↳ Plug 07	3884.28	--	φ 0.4% · Kh 0.0 mD · So 59.3% · Sw 26.4% · Density 2.78 · FSP 1.7 · ROBERTSON GROUP	SST, VF, MOD ARG, V,W.IND, MOD DOLM.	--
15/26b- 5	↳ Plug 08	3884.48	--	φ 0.3% · So 44.8% · Sw 38.7% · Density 2.75 · FSP 3.4 · ROBERTSON GROUP	NVP - CHIP \| SST, VF, MOD ARG, V,W.IND, MOD DOLM, W/ FRACS.	--
15/26b- 5	↳ Plug 09	3884.75	--	φ 0.6% · Kh 0.0 mD · So 16.4% · Sw 49.1% · Density 2.76 · FSP 1.3 · ROBERTSON GROUP	SST, VF AND RAED, SL ARG, V W.IND, MOD DOLM, DOLM CMTD FRAC.	--
15/26b- 5	↳ Plug 10	3885.0	--	φ 0.7% · Kh 0.0 mD · Density 2.76 · ROBERTSON GROUP	NFSP \| SST, F AND CRS, V W. IND, MOD DOLM.	--
15/26b- 5	↳ Plug 11	3885.22	--	φ 0.8% · Kh 0.0 mD · So 17.9% · Sw 35.8% · Density 2.75 · FSP 1.2 · ROBERTSON GROUP	SST, F AND CRS, V W. IND, MOD DOLM, W/ SL ARG.	--
15/26b- 5	↳ Plug 12	3885.48	--	φ 7.8% · So 42.8% · Sw 30.5% · Density 2.64 · FSP 1.8 · ROBERTSON GROUP	NVP - CHIP \| SST, F, SL ARG, V W. IND, MOD CALC, ARG ELS, CMTD FRACS.	--
15/26b- 5	↳ Core Plug #1	3885.75	--	ROBERTSON GROUP	RUBBLE NO ANALYSIS	--
15/26b- 5	↳ Core Plug #1	3886.0	--	ROBERTSON GROUP	RUBBLE NO ANALYSIS	--
15/26b- 5	Core #2	3886.96	3887.45	φ 1.6% (n=2) · Kh 0.0 mD (n=2) · So 60.8% (n=2) · Sw 36.0% (n=2) · Density 2.73 (n=2) · FSP 1.1 (n=2) · ROBERTSON GROUP	SST, F-MED, SL ARG, V W.IND, MOD DOLM.	.
15/26b- 5	↳ Plug 15	3887.02	--	φ 1.7% · Kh 0.0 mD · So 62.8% · Sw 36.9% · Density 2.72 · FSP 1.2 · ROBERTSON GROUP	SST, F-MED, SL ARG, V W.IND, MOD DOLM.	--
15/26b- 5	↳ Plug 16	3887.25	--	φ 1.6% · Kh 0.0 mD · So 58.8% · Sw 35.2% · Density 2.73 · FSP 0.9 · ROBERTSON GROUP	SST, F-MED, SL ARG, V W.IND, MOD DOLM.	--
15/26b- 5	Core #3	3887.45	3889.4	φ 1.6% (n=6) · Kh 0.0 mD (n=6) · So 49.4% (n=6) · Sw 32.9% (n=6) · Density 2.74 (n=6) · FSP 1.1 (n=6) · ROBERTSON GROUP	SEAL PEEL \| SST, F-MED, SL ARG, V W.IND, MOD DOLM, W/ OBLIQUE CLOSED FRAC.; SST, F-MED, SL ARG, V W.IND, MOD DOLM.	.
15/26b- 5	↳ Plug 17	3887.55	--	φ 2.1% · Kh 0.0 mD · So 42.7% · Sw 25.6% · Density 2.72 · FSP 1.3 · ROBERTSON GROUP	SST, F-MED, SL ARG, V W.IND, MOD DOLM.	--
15/26b- 5	↳ Plug 18	3887.79	--	φ 1.8% · Kh 0.0 mD · So 53.4% · Sw 22.9% · Density 2.72 · FSP 1.4 · ROBERTSON GROUP	SST, F-MED, SL ARG, V W.IND, MOD DOLM.	--
15/26b- 5	↳ Plug 19	3888.07	--	φ 1.7% · Kh 0.0 mD · So 51.9% · Sw 34.6% · Density 2.73 · FSP 1.2 · ROBERTSON GROUP	SST, F-MED, SL ARG, V W.IND, MOD DOLM, W/ OBLIQUE CLOSED FRAC.	--
15/26b- 5	↳ Plug 20	3888.25	--	ROBERTSON GROUP	SEAL PEEL	--
15/26b- 5	↳ Plug 21	3888.51	--	φ 1.3% · Kh 0.0 mD · So 60.4% · Sw 36.3% · Density 2.75 · FSP 0.9 · ROBERTSON GROUP	SST, F-MED, SL ARG, V W.IND, MOD DOLM.	--
15/26b- 5	↳ Plug 22	3888.74	--	φ 1.2% · Kh 0.0 mD · So 60.1% · Sw 36.1% · Density 2.76 · FSP 0.9 · ROBERTSON GROUP	SST, F-MED, SL ARG, V W.IND, MOD DOLM.	--
15/26b- 5	↳ Plug 23	3889.0	--	φ 1.4% · Kh 0.0 mD · So 27.9% · Sw 41.8% · Density 2.75 · FSP 0.8 · ROBERTSON GROUP	SST, F-MED, SL ARG, V W.IND, MOD DOLM.	--
15/26b- 5	↳ Plug 24	3889.25	--	ROBERTSON GROUP	SEAL PEEL	--

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Auto-scaled	Ingested
15/26b- 5	787.9080200195312	4097.8837890625	6	0	2026-08-06 08:35:38.72583+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

15/26b- 5

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	RHOB	OGA Batch Unzipped	2898.0384000000004	4097.8836	7874
cable_tension	TENS	OGA Batch Unzipped	147.9804	4095.75	19384
deep_resistivity	RES_DEP	OGA Batch Unzipped	787.908	4095.75	21705
density_correction	DRHO	OGA Batch Unzipped	2898.0384000000004	4097.8836	7874
med_resistivity	RES_MED	OGA Batch Unzipped	787.908	4095.75	21706
neutron_por	NEU	OGA Batch Unzipped	2898.0384000000004	4097.8836	7874
pef	PEF	OGA Batch Unzipped	2898.0384000000004	4088.13	7810
potassium	POTA	OGA Batch Unzipped	2898.1908000000003	4088.13	7809
thorium	THOR	OGA Batch Unzipped	2898.1908000000003	4088.13	7809
uranium	URAN	OGA Batch Unzipped	2898.1908000000003	4088.13	7809

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
15/26b- 5	0	--	--	--

15/26b- 5

Well Header

Wellbores (1)

Formation Tops (30)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (3)

Rock Samples (28)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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