CA1227748A - Obturateur de tubage - Google Patents

Obturateur de tubage

Info

Publication number
CA1227748A
CA1227748A CA000473245A CA473245A CA1227748A CA 1227748 A CA1227748 A CA 1227748A CA 000473245 A CA000473245 A CA 000473245A CA 473245 A CA473245 A CA 473245A CA 1227748 A CA1227748 A CA 1227748A
Authority
CA
Canada
Prior art keywords
seal element
mandrel
casing
seal
cylinder
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
CA000473245A
Other languages
English (en)
Inventor
Gordon R. Veal
Alan R. Hirasuna
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.)
LGarde Inc
Original Assignee
LGarde 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
Priority claimed from US06/644,495 external-priority patent/US4573537A/en
Application filed by LGarde Inc filed Critical LGarde Inc
Application granted granted Critical
Publication of CA1227748A publication Critical patent/CA1227748A/fr
Expired legal-status Critical Current

Links

CA000473245A 1984-08-24 1985-01-31 Obturateur de tubage Expired CA1227748A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US644,495 1984-08-24
US06/644,495 US4573537A (en) 1981-05-07 1984-08-24 Casing packer

Publications (1)

Publication Number Publication Date
CA1227748A true CA1227748A (fr) 1987-10-06

Family

ID=24585146

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000473245A Expired CA1227748A (fr) 1984-08-24 1985-01-31 Obturateur de tubage

Country Status (1)

Country Link
CA (1) CA1227748A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry