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GB2307932B - Bypass valve - Google Patents

Bypass valve

Info

Publication number
GB2307932B
GB2307932B GB9625547A GB9625547A GB2307932B GB 2307932 B GB2307932 B GB 2307932B GB 9625547 A GB9625547 A GB 9625547A GB 9625547 A GB9625547 A GB 9625547A GB 2307932 B GB2307932 B GB 2307932B
Authority
GB
United Kingdom
Prior art keywords
bypass valve
bypass
valve
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 - Fee Related
Application number
GB9625547A
Other versions
GB2307932A (en
GB9625547D0 (en
Inventor
Rory Mccrae Tulloch
Bruce Hermann Forsyth Mcgarian
Lawrence Robert Barr
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.)
RED BARON
Original Assignee
RED BARON
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
Priority claimed from GBGB9525008.0A external-priority patent/GB9525008D0/en
Application filed by RED BARON filed Critical RED BARON
Priority to GB9625547A priority Critical patent/GB2307932B/en
Publication of GB9625547D0 publication Critical patent/GB9625547D0/en
Publication of GB2307932A publication Critical patent/GB2307932A/en
Application granted granted Critical
Publication of GB2307932B publication Critical patent/GB2307932B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B21/002—Down-hole drilling fluid separation systems
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • E21B34/102—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for locking the closing element in open or closed position

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)
  • Details Of Valves (AREA)
GB9625547A 1995-12-07 1996-12-09 Bypass valve Expired - Fee Related GB2307932B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9625547A GB2307932B (en) 1995-12-07 1996-12-09 Bypass valve

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9525008.0A GB9525008D0 (en) 1995-12-07 1995-12-07 Bypass valve
GB9625547A GB2307932B (en) 1995-12-07 1996-12-09 Bypass valve

Publications (3)

Publication Number Publication Date
GB9625547D0 GB9625547D0 (en) 1997-01-29
GB2307932A GB2307932A (en) 1997-06-11
GB2307932B true GB2307932B (en) 1999-08-25

Family

ID=26308245

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9625547A Expired - Fee Related GB2307932B (en) 1995-12-07 1996-12-09 Bypass valve

Country Status (1)

Country Link
GB (1) GB2307932B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9601659D0 (en) * 1996-01-27 1996-03-27 Paterson Andrew W Apparatus for circulating fluid in a borehole
CA2254815C (en) * 1996-06-11 2005-05-31 The Red Baron (Oil Tools Rental) Limited Multi-cycle circulating sub
GB2358657B (en) 1997-07-28 2001-10-03 Smith International Bypass valve closing means
NO20000281L (en) * 1999-01-21 2000-07-24 Baker Hughes Inc Single trip window milling device and method with measurement during drilling
GB2347699B (en) 1999-03-12 2003-04-23 Smith International Single cycle two stage bypass valve
AU761233B2 (en) 1999-04-05 2003-05-29 Baker Hughes Incorporated One-trip casing cutting & removal apparatus
GB2362399B (en) 2000-05-19 2004-06-23 Smith International Improved bypass valve
GB0208673D0 (en) * 2002-04-16 2002-05-29 Sps Afos Group Ltd Control sub
GB0704111D0 (en) * 2007-03-02 2007-04-11 Mcgarian Bruce A Bypass valve
US7766086B2 (en) * 2007-06-08 2010-08-03 Bj Services Company Llc Fluid actuated circulating sub

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298077A (en) * 1979-06-11 1981-11-03 Smith International, Inc. Circulation valve for in-hole motors
WO1996030621A1 (en) * 1995-03-24 1996-10-03 Uwg Limited Flow control tool
GB2302895A (en) * 1995-07-05 1997-02-05 Phoenix P A Ltd Downhole flow control tool

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4298077A (en) * 1979-06-11 1981-11-03 Smith International, Inc. Circulation valve for in-hole motors
WO1996030621A1 (en) * 1995-03-24 1996-10-03 Uwg Limited Flow control tool
GB2302895A (en) * 1995-07-05 1997-02-05 Phoenix P A Ltd Downhole flow control tool

Also Published As

Publication number Publication date
GB2307932A (en) 1997-06-11
GB9625547D0 (en) 1997-01-29

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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)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20151209