CA650781A - Rotary well drill - Google Patents

Rotary well drill

Info

Publication number
CA650781A
CA650781A CA650781A CA650781DA CA650781A CA 650781 A CA650781 A CA 650781A CA 650781 A CA650781 A CA 650781A CA 650781D A CA650781D A CA 650781DA CA 650781 A CA650781 A CA 650781A
Authority
CA
Canada
Prior art keywords
well drill
rotary well
rotary
drill
well
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
CA650781A
Inventor
W. Thornburg Herbert
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.)
Caterpillar Global Mining LLC
Original Assignee
Bucyrus Erie Co
Publication date
Application granted granted Critical
Publication of CA650781A publication Critical patent/CA650781A/en
Expired legal-status Critical Current

Links

CA650781A Rotary well drill Expired CA650781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA650781T

Publications (1)

Publication Number Publication Date
CA650781A true CA650781A (en) 1962-10-23

Family

ID=35939425

Family Applications (1)

Application Number Title Priority Date Filing Date
CA650781A Expired CA650781A (en) Rotary well drill

Country Status (1)

Country Link
CA (1) CA650781A (en)

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