CA830251A - High and low pressure wellhead shut-in valve - Google Patents

High and low pressure wellhead shut-in valve

Info

Publication number
CA830251A
CA830251A CA830251A CA830251DA CA830251A CA 830251 A CA830251 A CA 830251A CA 830251 A CA830251 A CA 830251A CA 830251D A CA830251D A CA 830251DA CA 830251 A CA830251 A CA 830251A
Authority
CA
Canada
Prior art keywords
valve
low pressure
pressure wellhead
wellhead shut
shut
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
CA830251A
Inventor
E. Ross Shelby
M. Johnson Cecil
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.)
Fisher Governor Co
Original Assignee
Fisher Governor Co
Publication date
Application granted granted Critical
Publication of CA830251A publication Critical patent/CA830251A/en
Expired legal-status Critical Current

Links

CA830251A High and low pressure wellhead shut-in valve Expired CA830251A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA830251T

Publications (1)

Publication Number Publication Date
CA830251A true CA830251A (en) 1969-12-23

Family

ID=36307711

Family Applications (1)

Application Number Title Priority Date Filing Date
CA830251A Expired CA830251A (en) High and low pressure wellhead shut-in valve

Country Status (1)

Country Link
CA (1) CA830251A (en)

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