CA1253845A - Soupape de surete pouvant etre montee sur la tige de forage d'un puits de petrole - Google Patents

Soupape de surete pouvant etre montee sur la tige de forage d'un puits de petrole

Info

Publication number
CA1253845A
CA1253845A CA000482385A CA482385A CA1253845A CA 1253845 A CA1253845 A CA 1253845A CA 000482385 A CA000482385 A CA 000482385A CA 482385 A CA482385 A CA 482385A CA 1253845 A CA1253845 A CA 1253845A
Authority
CA
Canada
Prior art keywords
valve member
bearing
bore
crank arm
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
Application number
CA000482385A
Other languages
English (en)
Inventor
Mitchel E. Winegeart
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
Priority to CA000482385A priority Critical patent/CA1253845A/fr
Application granted granted Critical
Publication of CA1253845A publication Critical patent/CA1253845A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
CA000482385A 1985-05-24 1985-05-24 Soupape de surete pouvant etre montee sur la tige de forage d'un puits de petrole Expired CA1253845A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000482385A CA1253845A (fr) 1985-05-24 1985-05-24 Soupape de surete pouvant etre montee sur la tige de forage d'un puits de petrole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000482385A CA1253845A (fr) 1985-05-24 1985-05-24 Soupape de surete pouvant etre montee sur la tige de forage d'un puits de petrole

Publications (1)

Publication Number Publication Date
CA1253845A true CA1253845A (fr) 1989-05-09

Family

ID=4130552

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000482385A Expired CA1253845A (fr) 1985-05-24 1985-05-24 Soupape de surete pouvant etre montee sur la tige de forage d'un puits de petrole

Country Status (1)

Country Link
CA (1) CA1253845A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry