GB2351511B - A circulating sub apparatus and method - Google Patents

A circulating sub apparatus and method

Info

Publication number
GB2351511B
GB2351511B GB0014104A GB0014104A GB2351511B GB 2351511 B GB2351511 B GB 2351511B GB 0014104 A GB0014104 A GB 0014104A GB 0014104 A GB0014104 A GB 0014104A GB 2351511 B GB2351511 B GB 2351511B
Authority
GB
United Kingdom
Prior art keywords
circulating sub
sub apparatus
circulating
sub
Prior art date
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
GB0014104D0 (en
GB2351511A (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.)
Filing date
Publication date
Application filed by NAT OILWELL, National Oilwell LP filed Critical NAT OILWELL
Publication of GB0014104D0 publication Critical patent/GB0014104D0/en
Publication of GB2351511A publication Critical patent/GB2351511A/en
Application granted granted Critical
Publication of GB2351511B publication Critical patent/GB2351511B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

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

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Legal Events

Date Code Title Description
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

PE20 Patent expired after termination of 20 years

Expiry date: 20200611