CA518658A - Casing pump drain valve - Google Patents

Casing pump drain valve

Info

Publication number
CA518658A
CA518658A CA518658A CA518658DA CA518658A CA 518658 A CA518658 A CA 518658A CA 518658 A CA518658 A CA 518658A CA 518658D A CA518658D A CA 518658DA CA 518658 A CA518658 A CA 518658A
Authority
CA
Canada
Prior art keywords
drain valve
pump drain
casing pump
casing
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
CA518658A
Other languages
French (fr)
Inventor
P. Howe Charles
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
Publication date
Application granted granted Critical
Publication of CA518658A publication Critical patent/CA518658A/en
Expired legal-status Critical Current

Links

CA518658A Casing pump drain valve Expired CA518658A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA518658T

Publications (1)

Publication Number Publication Date
CA518658A true CA518658A (en) 1955-11-22

Family

ID=35671859

Family Applications (1)

Application Number Title Priority Date Filing Date
CA518658A Expired CA518658A (en) Casing pump drain valve

Country Status (1)

Country Link
CA (1) CA518658A (en)

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