GB2494991B - Centralizer - Google Patents

Centralizer

Info

Publication number: GB2494991B
Authority: GB; United Kingdom
Prior art keywords: centralizer
Prior art date: 2011-09-20
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

GB1216828.2A

Other versions

GB2494991A (en

GB201216828D0 (en

Inventor

Rowan Warwick Patterson

Glenn Searle

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Claxton Engineering Services Ltd

Original Assignee

Claxton Engineering Services Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2011-09-20

Filing date

2012-09-20

Publication date

2015-12-09

2012-09-20 Application filed by Claxton Engineering Services Ltd filed Critical Claxton Engineering Services Ltd

2012-11-07 Publication of GB201216828D0 publication Critical patent/GB201216828D0/en

2013-03-27 Publication of GB2494991A publication Critical patent/GB2494991A/en

2015-12-09 Application granted granted Critical

2015-12-09 Publication of GB2494991B publication Critical patent/GB2494991B/en

Status Expired - Fee Related legal-status Critical Current

2032-09-20 Anticipated expiration legal-status Critical

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/12—Devices for placing or drawing out wear protectors

Landscapes

Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Earth Drilling (AREA)

GB1216828.2A 2011-09-20 2012-09-20 Centralizer Expired - Fee Related GB2494991B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GBGB1116236.9A GB201116236D0 (en)	2011-09-20	2011-09-20	Centralizer

Publications (3)

Publication Number	Publication Date
GB201216828D0 GB201216828D0 (en)	2012-11-07
GB2494991A GB2494991A (en)	2013-03-27
GB2494991B true GB2494991B (en)	2015-12-09

Family

ID=44937562

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
GBGB1116236.9A Ceased GB201116236D0 (en)	2011-09-20	2011-09-20	Centralizer
GB1216828.2A Expired - Fee Related GB2494991B (en)	2011-09-20	2012-09-20	Centralizer
GB1216831.6A Withdrawn GB2494994A (en)	2011-09-20	2012-09-20	Centralizer deployment

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GBGB1116236.9A Ceased GB201116236D0 (en)	2011-09-20	2011-09-20	Centralizer

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
GB1216831.6A Withdrawn GB2494994A (en)	2011-09-20	2012-09-20	Centralizer deployment

Country Status (4)

Country	Link
EP (1)	EP2573315B1 (en)
AU (1)	AU2012227158A1 (en)
DK (1)	DK2573315T3 (en)
GB (3)	GB201116236D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2518417A (en) *	2013-09-20	2015-03-25	Hhr Entpr Ltd	A device for protecting a conductor passing through a guide on a sea based oil drilling platform
FR3095469B1 (en) *	2019-04-25	2022-04-01	South Offshore	Wedging device
GB201915215D0 (en)	2019-10-21	2019-12-04	Mako Offshore Ltd	Conductor assembly and methods
CN111005377B (en) *	2019-12-26	2021-07-27	黑龙江省八达路桥建设有限公司	Drilling tool supporting limiting descending device for bored pile construction
CN115853501B (en) *	2022-12-28	2023-06-30	基康仪器股份有限公司	A detachable flexible inclinometer positioning guide wheel assembly structure
CN116808883B (en) *	2023-06-14	2025-01-03	江苏浚和建设工程有限公司	Intelligent type ash spraying machine for building construction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2277336A (en) *	1993-04-06	1994-10-26	Uwg Ltd	Centraliser
GB2381280A (en) *	2001-10-23	2003-04-30	Uwg Ltd	Adjustable centraliser with separate control tool
GB2391570A (en) *	2002-08-07	2004-02-11	Paramode Ltd	Adjustable centraliser

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6513223B1 (en) *	2000-05-30	2003-02-04	Tesco Corporation	Method for installing a centralizer retaining collar and outer sleeve
US7104318B2 (en) *	2004-04-07	2006-09-12	Plexus Ocean Systems, Ltd.	Self-contained centralizer system
GB2417505B (en) *	2004-08-28	2008-06-25	U W G Ltd	Centraliser

2011
- 2011-09-20 GB GBGB1116236.9A patent/GB201116236D0/en not_active Ceased
2012
- 2012-09-18 AU AU2012227158A patent/AU2012227158A1/en not_active Abandoned
- 2012-09-20 DK DK12185143.0T patent/DK2573315T3/en active
- 2012-09-20 EP EP12185143.0A patent/EP2573315B1/en not_active Not-in-force
- 2012-09-20 GB GB1216828.2A patent/GB2494991B/en not_active Expired - Fee Related
- 2012-09-20 GB GB1216831.6A patent/GB2494994A/en not_active Withdrawn

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2277336A (en) *	1993-04-06	1994-10-26	Uwg Ltd	Centraliser
GB2381280A (en) *	2001-10-23	2003-04-30	Uwg Ltd	Adjustable centraliser with separate control tool
GB2391570A (en) *	2002-08-07	2004-02-11	Paramode Ltd	Adjustable centraliser

Also Published As

Publication number	Publication date
EP2573315A3 (en)	2015-11-18
DK2573315T3 (en)	2019-01-28
GB201216831D0 (en)	2012-11-07
EP2573315B1 (en)	2018-11-07
AU2012227158A1 (en)	2013-04-04
GB2494994A (en)	2013-03-27
EP2573315A2 (en)	2013-03-27
GB2494991A (en)	2013-03-27
GB201116236D0 (en)	2011-11-02
GB201216828D0 (en)	2012-11-07

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EP2683944A4 (en)	2014-10-22	Subsea motor-turbomachine
PL3885132T3 (en)	2022-09-05	Hardfaced wearpart
EP2698219A4 (en)	2014-08-27	Drill
GB2494991B (en)	2015-12-09	Centralizer
EP2795032A4 (en)	2016-01-20	Extended reach drilling
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GB201101712D0 (en)	2011-03-16	Centralizers
AU5031P (en)	2015-06-04	BESYS Beschorneria yuccoides
GB201107324D0 (en)	2011-06-15	Condensafe
GB201109219D0 (en)	2011-07-13	Invisilight
GB201103301D0 (en)	2011-04-13	Circair
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GB201104240D0 (en)	2011-04-27	Quantocosmocrypt
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GB201105969D0 (en)	2011-05-18	Mirrorcane
GB201107097D0 (en)	2011-06-08	Corcost-ZZ900
GB201107127D0 (en)	2011-06-08	Min-large-pump-heat-exchanger
GB201107159D0 (en)	2011-06-08	Corcost-ZZ200
GB201107161D0 (en)	2011-06-08	Corcost-ZZ600
GB201101047D0 (en)	2011-03-09	VibroPred
GB201107728D0 (en)	2011-06-22	Chatme
GB201108614D0 (en)	2011-07-06	CarryEase

Legal Events

Date	Code	Title	Description
2021-05-26	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20200920