Well Data Manager / Well Summary / 20/09- 1

20/09- 1

Decommissioned

Well Header

Well No

20/09- 1

NSTA DEN No

1231

Well Name

Drill Seq No

Quadrant / Block

20 / 9

Surface Location

57.778481, -0.317320

Source Datum

ED50

Subsea Well

Platform

Slot No

Operator

CHRYSAOR PETROLEUM COMPANY U.K. LIMITED

Original Operator

Sub Area Operator

CHRYSAOR PETROLEUM COMPANY U.K. LIMITED

Licence No

P282

Licence Type

Production

Spud Date

1978-07-20

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (1)

20/09- 1 Original

Abandoned Phase 3 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)

23.470

Ground Elev (m)

Water Depth (m)

99.36

TD MD (m)

3352.800

TD TVDSS (m)

3327.830

TD Datum Depth (m)

23.470

TD Datum Type

Kelly Bushing

Spud Date

1978-07-20

TD Reached

1978-09-10

Completion Date

1978-09-19

Release Date

1982-09-19

Formation Tops (25)

Wellbore	Formation	Era	MD (m)	TVDSS (m)	Provider
20/09- 1	Moray	Mesozoic	754.000	730.530	Lloyds Register
	Beauly	Cenozoic	754.000	730.530	Lloyds Register
	Dornoch	Mesozoic	819.000	795.530	Lloyds Register
	Upper Dornoch Sandstone	Cenozoic	819.000	795.530	Lloyds Register
	Sele	Mesozoic	995.000	971.530	Lloyds Register
	Forties Sandstone	Mesozoic	1152.000	1128.530	Lloyds Register
	Montrose	Mesozoic	1160.000	1136.530	Lloyds Register
	Lista	Mesozoic	1160.000	1136.530	Lloyds Register
	Balmoral Sandstone	Cenozoic	1349.000	1325.530	Lloyds Register
	Maureen Sandstone	Mesozoic	1619.000	1595.530	Lloyds Register
	Maureen	Mesozoic	1619.000	1595.530	Lloyds Register
	Chalk	Mesozoic	1726.000	1702.530	Lloyds Register
	Ekofisk	Mesozoic	1726.000	1702.530	Lloyds Register
	Upper Cretaceous Chalk	Mesozoic	1763.000	1739.530	Lloyds Register
	Rodby	Mesozoic	2113.000	2089.530	Lloyds Register
	Cromer Knoll	Mesozoic	2113.000	2089.530	Lloyds Register
	Sola		2178.000	2154.530	Lloyds Register
	Valhall	Mesozoic	2221.000	2197.530	Lloyds Register
	Kimmeridge Clay		2300.000	2276.530	Lloyds Register
	Humber	Mesozoic	2300.000	2276.530	Lloyds Register
	Zechstein	Palaeozoic	2347.000	2323.530	Lloyds Register
	Turbot Anhydrite	Palaeozoic	2347.000	2323.530	Lloyds Register
	Halibut Carbonate	Palaeozoic	2376.000	2352.530	Lloyds Register
	Old Red Sandstone		2616.000	2592.530	Lloyds Register
	Old Red	Palaeozoic	2616.000	2592.530	Lloyds Register

Lithology Intervals

20/09- 1 Curve: SANDCOUNT 55 intervals · MD 112.166 – 3136.697 m G:/NSTA_BigFiles/NSTA_Packages/Lloyds_Register/NSTA Centr...

Sandstone (52)

Limestone (3)

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log

Wellbore	Groups	Formations	Members	Strat Intervals	Tops	HC Occ	Core	Cuttings	DSTs
20/09- 1	7	14	4	18	25	1	2	1	0	View

Hydrocarbon Occurrence (2)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
20/09- 1	Oil shows	OS	Zechstein Group	2346.96	--	269 m thick
20/09- 1	Oil shows	OS	*	2615.7936	--	737 m thick

Rock Samples (23)

Wellbore	Sample	Top MD (m)	Base MD (m)	Key Lab Results	Comments	Notes
20/09- 1	Cuttings	441.96	3352.8	--	--	various intervals .
20/09- 1	Core #1	2613.66	2628.6	So 0.0% (n=20) · Sw 55.5% (n=20) · FSP 7.0 (n=20) · THE ANALYSTS	NO POROPERM \| CLYST; grdg to silts; CLYST; red/brn hd; CLYST; red/brn hd, occ slty; CLYST; red/brn hd, slty w/occ gy/gn calc areas.; SST: gy intbd w/occ bk SH; SST: gy mas hd; SST: gy, mica, fri, v.bd, occ thn bk arg ptchs	well re-boxed (originally curated Feb'80)
20/09- 1	↳ Plug 01	2613.965	--	So 0.0% · Sw 60.0% · FSP 7.8 · THE ANALYSTS	NO POROPERM \| SST: gy, mica, fri, v.bd, occ thn bk arg ptchs	--
20/09- 1	↳ Plug 02	2614.27	--	So 0.0% · Sw 23.1% · FSP 5.6 · THE ANALYSTS	NO POROPERM \| SST: gy, mica, fri, v.bd, occ thn bk arg ptchs	--
20/09- 1	↳ Plug 03	2614.574	--	So 0.0% · Sw 31.2% · FSP 5.1 · THE ANALYSTS	NO POROPERM \| SST: gy, mica, fri, v.bd, occ thn bk arg ptchs	--
20/09- 1	↳ Plug 04	2614.879	--	So 0.0% · Sw 45.9% · FSP 7.2 · THE ANALYSTS	NO POROPERM \| SST: gy mas hd	--
20/09- 1	↳ Plug 05	2615.184	--	So 0.0% · Sw 29.8% · FSP 5.3 · THE ANALYSTS	NO POROPERM \| SST: gy mas hd	--
20/09- 1	↳ Plug 06	2615.489	--	So 0.0% · Sw 72.6% · FSP 7.4 · THE ANALYSTS	NO POROPERM \| SST: gy intbd w/occ bk SH	--
20/09- 1	↳ Plug 07	2615.794	--	So 0.0% · Sw 61.6% · FSP 10.8 · THE ANALYSTS	NO POROPERM \| SST: gy intbd w/occ bk SH	--
20/09- 1	↳ Plug 08	2616.403	--	So 0.0% · Sw 71.4% · FSP 8.3 · THE ANALYSTS	NO POROPERM \| SST: gy intbd w/occ bk SH	--
20/09- 1	↳ Plug 09	2616.708	--	So 0.0% · Sw 60.8% · FSP 8.7 · THE ANALYSTS	NO POROPERM \| SST: gy intbd w/occ bk SH	--
20/09- 1	↳ Plug 10	2617.013	--	So 0.0% · Sw 19.5% · FSP 6.3 · THE ANALYSTS	NO POROPERM \| SST: gy intbd w/occ bk SH	--
20/09- 1	↳ Plug 11	2617.318	--	So 0.0% · Sw 53.3% · FSP 4.8 · THE ANALYSTS	NO POROPERM \| SST: gy intbd w/occ bk SH	--
20/09- 1	↳ Plug 12	2617.622	--	So 0.0% · Sw 33.5% · FSP 5.2 · THE ANALYSTS	NO POROPERM \| SST: gy intbd w/occ bk SH	--
20/09- 1	↳ Plug 13	2617.927	--	So 0.0% · Sw 60.9% · FSP 9.4 · THE ANALYSTS	NO POROPERM \| CLYST; red/brn hd	--
20/09- 1	↳ Plug 14	2619.451	--	So 0.0% · Sw 64.4% · FSP 10.2 · THE ANALYSTS	NO POROPERM \| CLYST; red/brn hd, occ slty	--
20/09- 1	↳ Plug 15	2621.28	--	So 0.0% · Sw 88.3% · FSP 5.3 · THE ANALYSTS	NO POROPERM \| CLYST; red/brn hd, occ slty	--
20/09- 1	↳ Plug 16	2623.109	--	So 0.0% · Sw 60.9% · FSP 10.3 · THE ANALYSTS	NO POROPERM \| CLYST; red/brn hd, occ slty	--
20/09- 1	↳ Plug 17	2624.633	--	So 0.0% · Sw 87.6% · FSP 7.2 · THE ANALYSTS	NO POROPERM \| CLYST; red/brn hd, slty w/occ gy/gn calc areas.	--
20/09- 1	↳ Plug 18	2626.157	--	So 0.0% · Sw 69.6% · FSP 7.4 · THE ANALYSTS	NO POROPERM \| CLYST; red/brn hd, slty w/occ gy/gn calc areas.	--
20/09- 1	↳ Plug 19	2627.376	--	So 0.0% · Sw 52.6% · FSP 3.4 · THE ANALYSTS	NO POROPERM \| CLYST; red/brn hd, slty w/occ gy/gn calc areas.	--
20/09- 1	↳ Plug 20	2628.29	--	So 0.0% · Sw 63.7% · FSP 5.1 · THE ANALYSTS	NO POROPERM \| CLYST; grdg to silts	--
20/09- 1	Core #2	2956.56	2960.22	--	--	--

Wireline Log Inventory (Ingested Curves)

No wireline log curves ingested for this well.

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

No scanned LAS source files matched to this well.

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
20/09- 1	0	--	--	--

20/09- 1

Well Header

Wellbores (1)

Formation Tops (25)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (2)

Rock Samples (23)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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