Well Data Manager / Well Summary / 20/01- 8

20/01- 8

Decommissioned

Well Header

Well No

20/01- 8

NSTA DEN No

20366

Well Name

Drill Seq No

Quadrant / Block

20 / 1

Surface Location

57.967555, -0.929622

Source Datum

ED50

Subsea Well

Unknown

Platform

Slot No

Operator

CNOOC PETROLEUM EUROPE LIMITED

Original Operator

Sub Area Operator

CNOOC PETROLEUM EUROPE LIMITED

Licence No

P928

Licence Type

Production

Spud Date

2009-01-12

Source File

nsta_feature_service

Imported

2026-05-22 15:28

Wellbores (4)

20/01- 8 Original

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Exploration

Original Intent

Exploration

Flow Class

Oil Well

Dev Type

Convention

Primary Target

Well Seq

WB1

Datum Type

Rotary Table

Datum Elev (m)

22.555

Ground Elev (m)

Water Depth (m)

110.03

TD MD (m)

2322.271

TD TVDSS (m)

2299.411

TD Datum Depth (m)

22.555

TD Datum Type

Kelly Bushing

Spud Date

2009-01-12

TD Reached

2009-02-05

Completion Date

2009-03-04

Release Date

2013-03-04

20/01- 8X Sidetrack X parent: 20/01- 8Y

Abandoned Phase 3 Interpreted Data Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Oil Well

Dev Type

Convention

Primary Target

Well Seq

WB4

Datum Type

Rotary Table

Datum Elev (m)

22.555

Ground Elev (m)

Water Depth (m)

110.03

TD MD (m)

2946.197

TD TVDSS (m)

2335.550

TD Datum Depth (m)

22.555

TD Datum Type

Kelly Bushing

Spud Date

2009-04-21

TD Reached

2009-05-04

Completion Date

2009-05-09

Release Date

2013-05-09

20/01- 8Y Sidetrack Y parent: 20/01- 8Z

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Oil Well

Dev Type

Convention

Primary Target

Well Seq

WB3

Datum Type

Rotary Table

Datum Elev (m)

22.555

Ground Elev (m)

Water Depth (m)

110.03

TD MD (m)

2932.176

TD TVDSS (m)

2282.647

TD Datum Depth (m)

22.555

TD Datum Type

Kelly Bushing

Spud Date

2009-03-29

TD Reached

2009-04-08

Completion Date

2009-04-20

Release Date

2013-04-20

20/01- 8Z Sidetrack Z parent: 20/01- 8

Abandoned Phase 3 View Log Interpreted Data Survey

Current Intent

Appraisal

Original Intent

Appraisal

Flow Class

Oil Well

Dev Type

Convention

Primary Target

SWG

Well Seq

WB2

Datum Type

Rotary Table

Datum Elev (m)

22.555

Ground Elev (m)

Water Depth (m)

110.03

TD MD (m)

2407.920

TD TVDSS (m)

2261.311

TD Datum Depth (m)

22.555

TD Datum Type

Kelly Bushing

Spud Date

2009-03-05

TD Reached

2009-03-22

Completion Date

2009-03-28

Release Date

2013-03-28

Formation Tops (0)

No formation tops ingested for this well.

Lithology Intervals

No lithology intervals ingested for this well.

Interpreted Data Inventory (LR / WellStrat)

Open Interpreted Data Log

Wellbore	Strat Intervals	HC Occ	DSTs
20/01- 8	27	2	2	View
20/01- 8X	18	2	0	View
20/01- 8Y	17	2	0	View
20/01- 8Z	19	2	0	View

Hydrocarbon Occurrence (3)

Wellbore	Category	Code	Formation / Litho	Top MD (m)	Base MD (m)	Notes
20/01- 8	DST	DST 1A	--	2077.5	2146.7	Label / Lower Cretaceous
20/01- 8	Mixed shows	OWGS	PUN2	2078.4312	--	71 m thick
20/01- 8	DST	DST 1	--	2119.6	2146.7	Not used for labelling, multiple DSTs in same play / Lower Cretaceous

Rock Samples (0)

No cuttings, core, or plug samples recorded for this well.

Wireline Log Inventory (Ingested Curves)

Wellbore	Depth Start (m)	Depth Stop (m)	Typed Curves	Ingested
20/01- 8	1054.45556640625	2318.461181640625	9	2026-08-06 17:13:41.110045+00	View Log
20/01- 8Y	1302.86767578125	2919.069580078125	7	2026-08-06 17:13:44.324991+00	View Log
20/01- 8Z	1362.9132080078125	2405.938720703125	11	2026-08-06 17:13:48.362991+00	View Log

Source LAS Manifest (Best Curve per Type)

Open full Manifest browser

20/01- 8

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	ZDEN	CGG Digital Well Logs	1062.3804	2301.2400000000002	8130
caliper	CAL	CGG Digital Well Logs	1062.228	2299.1064	8117
caliper	CALS	CGG Digital Well Logs	1062.228	2300.9352	8129
deep_resistivity	RD	CGG Digital Well Logs	1062.3804	2308.7076	8179
density_correction	ZCOR	CGG Digital Well Logs	1062.3804	2301.2400000000002	8130
gamma_ray	GR	CGG Digital Well Logs	1054.4556	2295.4488	8144
micro_resistivity	RMLL	CGG Digital Well Logs	1062.3804	2318.4612	8243
neutron_por	CNC	CGG Digital Well Logs	1054.4556	2297.2776	8156
pef	PE	CGG Digital Well Logs	1062.3804	2301.2400000000002	8130
shallow_resistivity	RS	CGG Digital Well Logs	1062.3804	2308.5552000000002	8178

20/01- 8Y

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	ZDEN	CGG Digital Well Logs	1362.1512	2916.4788000000003	10197
caliper	CALX	CGG Digital Well Logs	1362.1512	2916.936	9936
comp_sonic	DT24	CGG Digital Well Logs	1362.1512	2919.0696000000003	10216
density_correction	ZCOR	CGG Digital Well Logs	1362.1512	2916.4788000000003	10197
gamma_ray	GR	CGG Digital Well Logs	1302.8676	2907.6396	10530
neutron_por	CNC	CGG Digital Well Logs	1308.5064	2913.4308	10528
pef	PE	CGG Digital Well Logs	1362.1512	2916.3264	10197
potassium	K	CGG Digital Well Logs	1362.1512	2907.1824	10138
thorium	TH	CGG Digital Well Logs	1362.1512	2907.1824	10138

20/01- 8Z

Curve Type	Best Mnemonic	Source	Depth Start (m)	Depth Stop (m)	Samples
bulk_density	RHOB	CGG Digital Well Logs	1374.6480000000001	2382.6216	6615
bulk_density	ZDEN	CGG Digital Well Logs	2167.5852	2388.4128	1450
caliper	CAL	CGG Digital Well Logs	2184.1968	2405.1768	1451
comp_sonic	DT	CGG Digital Well Logs	1362.9132	2394.8136	5608
deep_resistivity	P40H	CGG Digital Well Logs	1374.0384000000001	2398.014	6720
deep_resistivity	A40H	CGG Digital Well Logs	1374.0384000000001	2398.014	6720
deep_resistivity	RD	CGG Digital Well Logs	2184.1968	2397.0996	1398
density_correction	ZCOR	CGG Digital Well Logs	2167.5852	2388.4128	1450
density_correction	DRHO	CGG Digital Well Logs	1374.6480000000001	2382.6216	6615
gamma_ray	GR_ARC	CGG Digital Well Logs	1382.4204	2397.0996	6659
gamma_ray	GR	CGG Digital Well Logs	1383.7920000000001	2397.0996	6650
med_resistivity	A34H	CGG Digital Well Logs	1374.0384000000001	2398.014	6720
med_resistivity	P28H	CGG Digital Well Logs	1374.0384000000001	2398.014	6720
med_resistivity	A28H	CGG Digital Well Logs	1374.0384000000001	2398.014	6720
med_resistivity	P34H	CGG Digital Well Logs	1374.0384000000001	2398.014	6720
micro_resistivity	RMLL	CGG Digital Well Logs	2183.5872	2405.9388	1460
neutron_por	TNPH	CGG Digital Well Logs	1367.9424000000001	2381.5548000000003	6652
neutron_por	CNC	CGG Digital Well Logs	2184.1968	2385.3648000000003	1321
pef	PE	CGG Digital Well Logs	2167.128	2388.4128	1453
pef	PEF	CGG Digital Well Logs	1374.6480000000001	2382.6216	6615
potassium	K	CGG Digital Well Logs	2168.8044	2382.9264000000003	1406
shallow_resistivity	A22H	CGG Digital Well Logs	1374.0384000000001	2398.014	6720
shallow_resistivity	RS	CGG Digital Well Logs	2184.1968	2397.0996	1398
shallow_resistivity	P22H	CGG Digital Well Logs	1374.0384000000001	2398.014	6720
shallow_resistivity	P16H	CGG Digital Well Logs	1374.0384000000001	2398.014	6720
shallow_resistivity	A16H	CGG Digital Well Logs	1374.0384000000001	2398.014	6720
thorium	TH	CGG Digital Well Logs	2168.8044	2382.9264000000003	1406

Survey Inventory (Deviation)

Open full Survey detail

Wellbore	Stations	Max MD (m)	Max TVDSS (m)	Survey File
20/01- 8	0	--	--	--
20/01- 8X	0	--	--	--
20/01- 8Y	0	--	--	--
20/01- 8Z	70	2407.920	2260.997	D:\BigSpatial\nsta_raw\CGG_Deviation\20-1-8Z 30285ay-CGG-deviation.xlsx

20/01- 8

Well Header

Wellbores (4)

Formation Tops (0)

Lithology Intervals

Interpreted Data Inventory (LR / WellStrat)

Hydrocarbon Occurrence (3)

Rock Samples (0)

Wireline Log Inventory (Ingested Curves)

Source LAS Manifest (Best Curve per Type)

Survey Inventory (Deviation)

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