AU2001249780A1 - Mudsaver valve with dual snap action - Google Patents

Mudsaver valve with dual snap action

Info

Publication number
AU2001249780A1
AU2001249780A1 AU2001249780A AU4978001A AU2001249780A1 AU 2001249780 A1 AU2001249780 A1 AU 2001249780A1 AU 2001249780 A AU2001249780 A AU 2001249780A AU 4978001 A AU4978001 A AU 4978001A AU 2001249780 A1 AU2001249780 A1 AU 2001249780A1
Authority
AU
Australia
Prior art keywords
snap action
mudsaver valve
dual snap
dual
mudsaver
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.)
Abandoned
Application number
AU2001249780A
Inventor
Larry R. Russell
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU2001249780A1 publication Critical patent/AU2001249780A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10Valve arrangements in drilling-fluid circulation systems
    • E21B21/106Valve arrangements outside the borehole, e.g. kelly valves
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B2200/00Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/04Ball valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Taps Or Cocks (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Lift Valve (AREA)
  • Details Of Valves (AREA)
  • Safety Valves (AREA)
AU2001249780A 2000-04-03 2001-04-02 Mudsaver valve with dual snap action Abandoned AU2001249780A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US19420400P 2000-04-03 2000-04-03
US60194204 2000-04-03
US09824390 2001-04-01
US09/824,390 US6662886B2 (en) 2000-04-03 2001-04-01 Mudsaver valve with dual snap action
PCT/US2001/010632 WO2001075266A1 (en) 2000-04-03 2001-04-02 Mudsaver valve with dual snap action

Publications (1)

Publication Number Publication Date
AU2001249780A1 true AU2001249780A1 (en) 2001-10-15

Family

ID=26889792

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001249780A Abandoned AU2001249780A1 (en) 2000-04-03 2001-04-02 Mudsaver valve with dual snap action

Country Status (6)

Country Link
US (1) US6662886B2 (en)
AU (1) AU2001249780A1 (en)
CA (1) CA2408182A1 (en)
GB (1) GB2371061B (en)
MX (1) MXPA01012455A (en)
WO (1) WO2001075266A1 (en)

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Also Published As

Publication number Publication date
US6662886B2 (en) 2003-12-16
MXPA01012455A (en) 2004-09-27
CA2408182A1 (en) 2001-10-11
GB0127875D0 (en) 2002-01-16
WO2001075266A1 (en) 2001-10-11
GB2371061A (en) 2002-07-17
GB2371061B (en) 2004-11-10
US20010045285A1 (en) 2001-11-29

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