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CA877812A - Pipe handling and centering apparatus for well drilling rigs - Google Patents

Pipe handling and centering apparatus for well drilling rigs

Info

Publication number
CA877812A
CA877812A CA877812A CA877812DA CA877812A CA 877812 A CA877812 A CA 877812A CA 877812 A CA877812 A CA 877812A CA 877812D A CA877812D A CA 877812DA CA 877812 A CA877812 A CA 877812A
Authority
CA
Canada
Prior art keywords
well drilling
pipe handling
drilling rigs
centering apparatus
centering
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
CA877812A
Inventor
F. Gadbois John
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.)
Byron Jackson Inc
Original Assignee
Byron Jackson Inc
Publication date
Application granted granted Critical
Publication of CA877812A publication Critical patent/CA877812A/en
Expired legal-status Critical Current

Links

CA877812A Pipe handling and centering apparatus for well drilling rigs Expired CA877812A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA877812T

Publications (1)

Publication Number Publication Date
CA877812A true CA877812A (en) 1971-08-10

Family

ID=36363658

Family Applications (1)

Application Number Title Priority Date Filing Date
CA877812A Expired CA877812A (en) Pipe handling and centering apparatus for well drilling rigs

Country Status (1)

Country Link
CA (1) CA877812A (en)

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