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AU8262498A - Method of manufacturing a curved flapper - Google Patents

Method of manufacturing a curved flapper

Info

Publication number
AU8262498A
AU8262498A AU82624/98A AU8262498A AU8262498A AU 8262498 A AU8262498 A AU 8262498A AU 82624/98 A AU82624/98 A AU 82624/98A AU 8262498 A AU8262498 A AU 8262498A AU 8262498 A AU8262498 A AU 8262498A
Authority
AU
Australia
Prior art keywords
manufacturing
curved flapper
flapper
curved
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
AU82624/98A
Inventor
Rashmi B. Bhavsar
Russell A. Johnston
Dwayne E. May
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.)
Camco International Inc
Original Assignee
Camco International Inc
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 Camco International Inc filed Critical Camco International Inc
Publication of AU8262498A publication Critical patent/AU8262498A/en
Abandoned 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F16K1/2014—Shaping of the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F16K1/2021—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member with a plurality of valve members
    • 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
    • E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/05—Flapper valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Check Valves (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
AU82624/98A 1997-06-24 1998-06-24 Method of manufacturing a curved flapper Abandoned AU8262498A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5058597P 1997-06-24 1997-06-24
US60050585 1997-06-24
PCT/US1998/013102 WO1998059150A2 (en) 1997-06-24 1998-06-24 Method of manufacturing a curved flapper

Publications (1)

Publication Number Publication Date
AU8262498A true AU8262498A (en) 1999-01-04

Family

ID=21966118

Family Applications (1)

Application Number Title Priority Date Filing Date
AU82624/98A Abandoned AU8262498A (en) 1997-06-24 1998-06-24 Method of manufacturing a curved flapper

Country Status (2)

Country Link
AU (1) AU8262498A (en)
WO (1) WO1998059150A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6772842B2 (en) 2002-06-27 2004-08-10 Schlumberger Technology Corporation Curved flapper valve
CN102418495B (en) * 2010-09-28 2014-11-05 中国石油化工集团公司 Under-balanced underground casing valve plate and processing method thereof
FR2978224B1 (en) * 2011-07-18 2014-06-20 Ge Energy Products France Snc CLAMP FOR CYLINDRICAL SHEATH

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2364223C3 (en) * 1973-12-22 1978-04-27 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Process for the production of concentric machine elements
US3889513A (en) * 1973-12-26 1975-06-17 Mitsubishi Heavy Ind Ltd Apparatus for bending a steel plate
DE2418668A1 (en) * 1974-04-18 1975-10-30 Egon Evertz BENDING MACHINE FOR BENDING SHEET METALS AND STRIPS
US4857412A (en) * 1986-01-16 1989-08-15 Paul Fleury Method for forming a planar sheet or plate to a curved shape
US4983803A (en) * 1989-09-07 1991-01-08 Camco International Inc. Method of making a subsurface well safety valve
US4926945A (en) * 1989-09-07 1990-05-22 Camco, Incorporated Subsurface well safety valve with curved flapper and method of making

Also Published As

Publication number Publication date
WO1998059150A2 (en) 1998-12-30
WO1998059150A3 (en) 1999-04-08

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase