GB2351511B - A circulating sub apparatus and method - Google Patents

A circulating sub apparatus and method

Info

Publication number: GB2351511B
Authority: GB; United Kingdom
Prior art keywords: circulating sub; sub apparatus; circulating; sub
Prior art date: 1999-06-10
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 - Lifetime

Application number

GB0014104A

Other versions

GB2351511A (en

GB0014104D0 (en

Inventor

Leonard Anthony Kaminski

Paul Hilliard

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.)

NAT OILWELL

National Oilwell Varco LP

Original Assignee

NAT OILWELL

National Oilwell LP

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.)

1999-06-10

Filing date

2000-06-12

Publication date

2003-10-22

2000-06-12 Application filed by NAT OILWELL, National Oilwell LP filed Critical NAT OILWELL

2000-08-02 Publication of GB0014104D0 publication Critical patent/GB0014104D0/en

2001-01-03 Publication of GB2351511A publication Critical patent/GB2351511A/en

2003-10-22 Application granted granted Critical

2003-10-22 Publication of GB2351511B publication Critical patent/GB2351511B/en

2020-06-12 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/004—Indexing systems for guiding relative movement between telescoping parts of downhole tools
- E21B23/006—"J-slot" systems, i.e. lug and slot indexing mechanisms
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
- E21B21/103—Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids

Landscapes

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

GB0014104A 1999-06-10 2000-06-12 A circulating sub apparatus and method Expired - Lifetime GB2351511B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GBGB9913370.4A GB9913370D0 (en)	1999-06-10	1999-06-10	A circulating sub apparatus and method

Publications (3)

Publication Number	Publication Date
GB0014104D0 GB0014104D0 (en)	2000-08-02
GB2351511A GB2351511A (en)	2001-01-03
GB2351511B true GB2351511B (en)	2003-10-22

Family

ID=10854987

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GBGB9913370.4A Ceased GB9913370D0 (en)	1999-06-10	1999-06-10	A circulating sub apparatus and method
GB0014104A Expired - Lifetime GB2351511B (en)	1999-06-10	2000-06-12	A circulating sub apparatus and method

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GBGB9913370.4A Ceased GB9913370D0 (en)	1999-06-10	1999-06-10	A circulating sub apparatus and method

Country Status (2)

Country	Link
CA (1)	CA2311254C (en)
GB (2)	GB9913370D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9920600B2 (en)	2011-06-10	2018-03-20	Schlumberger Technology Corporation	Multi-stage downhole hydraulic stimulation assembly

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2362399B (en) *	2000-05-19	2004-06-23	Smith International	Improved bypass valve
GB2387612B (en)	2002-04-17	2005-05-11	Ruff Pup Ltd	A fluid flow switching device
AU2003902106A0 (en) *	2003-05-02	2003-05-22	Drilling Solutions Pty Ltd	Flushing device
GB0716049D0 (en)	2007-08-17	2007-09-26	Welltools Ltd	Switchable circulating tool
GB0823194D0 (en) *	2008-12-19	2009-01-28	Tunget Bruce A	Controlled Circulation work string for well construction
US11668147B2 (en) *	2020-10-13	2023-06-06	Thru Tubing Solutions, Inc.	Circulating valve and associated system and method
CN115354988B (en) *	2022-10-21	2023-01-03	中石化西南石油工程有限公司	Quick leaking stoppage valve capable of being opened and closed repeatedly

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2309470A (en) *	1996-01-27	1997-07-30	Andrew West Paterson	Apparatus for circulating fluid in a borehole
EP0787888A2 (en) *	1995-09-01	1997-08-06	Specialty Tools Limited	Circulating sub
GB2314106A (en) *	1996-06-11	1997-12-17	Red Baron	Multi-cycle circulating sub
GB2315508A (en) *	1996-07-17	1998-02-04	Camco Int	Downhole circulation valve
GB2340524A (en) *	1998-08-13	2000-02-23	Baker Hughes Inc	Bypass sub

1999
- 1999-06-10 GB GBGB9913370.4A patent/GB9913370D0/en not_active Ceased
2000
- 2000-06-09 CA CA 2311254 patent/CA2311254C/en not_active Expired - Lifetime
- 2000-06-12 GB GB0014104A patent/GB2351511B/en not_active Expired - Lifetime

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0787888A2 (en) *	1995-09-01	1997-08-06	Specialty Tools Limited	Circulating sub
GB2309470A (en) *	1996-01-27	1997-07-30	Andrew West Paterson	Apparatus for circulating fluid in a borehole
GB2314106A (en) *	1996-06-11	1997-12-17	Red Baron	Multi-cycle circulating sub
GB2315508A (en) *	1996-07-17	1998-02-04	Camco Int	Downhole circulation valve
GB2340524A (en) *	1998-08-13	2000-02-23	Baker Hughes Inc	Bypass sub

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9920600B2 (en)	2011-06-10	2018-03-20	Schlumberger Technology Corporation	Multi-stage downhole hydraulic stimulation assembly

Also Published As

Publication number	Publication date
CA2311254A1 (en)	2000-12-10
GB2351511A (en)	2001-01-03
CA2311254C (en)	2010-03-02
GB9913370D0 (en)	1999-08-11
GB0014104D0 (en)	2000-08-02

Publication	Publication Date	Title
HK1047638A1 (en)	2003-02-28	Application apparatus and method
GB9803183D0 (en)	1998-04-08	Apparatus and method
SG94351A1 (en)	2003-02-18	Dubbing apparatus and dubbing method
SG93260A1 (en)	2002-12-17	Recording apparatus and recording method
GB2351511B (en)	2003-10-22	A circulating sub apparatus and method
GB9930153D0 (en)	2000-02-09	De-burring method and apparatus
GB2352900B (en)	2004-01-07	Positioning apparatus and method
GB9916443D0 (en)	1999-09-15	Method and apparatus
GB9921524D0 (en)	1999-11-17	Method and apparatus
GB9921785D0 (en)	1999-11-17	Apparatus and method
GB2355634B (en)	2003-07-23	Area division apparatus and method
GB9804246D0 (en)	1998-04-22	Electropermeabilisation method and apparatus
GB9924191D0 (en)	1999-12-15	Method and apparatus
GB9905441D0 (en)	1999-05-05	Method and apparatus
GB9901867D0 (en)	1999-03-17	A method and apparatus
GB9908943D0 (en)	1999-06-16	Telecommunication method and apparatus
GB9917322D0 (en)	1999-09-22	Method and apparatus
GB9923969D0 (en)	1999-12-15	Apparatus and method
GB9919006D0 (en)	1999-10-13	Apparatus and method
GB9926263D0 (en)	2000-01-12	Method and apparatus
GB9926259D0 (en)	2000-01-12	Method and apparatus
GB9925017D0 (en)	1999-12-22	Apparatus and method
GB9901865D0 (en)	1999-03-17	Method and apparatus
GB9918503D0 (en)	1999-10-06	Method and apparatus
GB9924400D0 (en)	1999-12-15	Method and apparatus

Legal Events

Date	Code	Title	Description
2018-11-21	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)	Free format text: REGISTERED BETWEEN 20181025 AND 20181102
2020-07-01	PE20	Patent expired after termination of 20 years	Expiry date: 20200611

GB2351511B - A circulating sub apparatus and method - Google Patents

Info

Links

Classifications

Landscapes

Applications Claiming Priority (1)

Publications (3)

Family

ID=10854987

Family Applications (2)

Family Applications Before (1)

Country Status (2)

Cited By (1)

Families Citing this family (7)

Citations (5)

Patent Citations (5)

Cited By (1)

Also Published As

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