CA649571A - Rotatable well pressure seal - Google Patents

Rotatable well pressure seal

Info

Publication number
CA649571A
CA649571A CA649571A CA649571DA CA649571A CA 649571 A CA649571 A CA 649571A CA 649571 A CA649571 A CA 649571A CA 649571D A CA649571D A CA 649571DA CA 649571 A CA649571 A CA 649571A
Authority
CA
Canada
Prior art keywords
pressure seal
well pressure
rotatable well
rotatable
seal
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
CA649571A
Inventor
S. Knox Granville
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.)
Hydril LLC
Original Assignee
Hydril LLC
Publication date
Application granted granted Critical
Publication of CA649571A publication Critical patent/CA649571A/en
Expired legal-status Critical Current

Links

CA649571A Rotatable well pressure seal Expired CA649571A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA649571T

Publications (1)

Publication Number Publication Date
CA649571A true CA649571A (en) 1962-10-02

Family

ID=35938215

Family Applications (1)

Application Number Title Priority Date Filing Date
CA649571A Expired CA649571A (en) Rotatable well pressure seal

Country Status (1)

Country Link
CA (1) CA649571A (en)

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