CA948622A - Rotary drive connection for casing drilling string - Google Patents

Rotary drive connection for casing drilling string

Info

Publication number
CA948622A
CA948622A CA187,451A CA187451A CA948622A CA 948622 A CA948622 A CA 948622A CA 187451 A CA187451 A CA 187451A CA 948622 A CA948622 A CA 948622A
Authority
CA
Canada
Prior art keywords
rotary drive
drive connection
drilling string
casing drilling
casing
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
CA187,451A
Other versions
CA187451S (en
Inventor
Cicero C. Brown
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
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 CA068,100A external-priority patent/CA943124A/en
Application filed by Individual filed Critical Individual
Priority to CA187,451A priority Critical patent/CA948622A/en
Application granted granted Critical
Publication of CA948622A publication Critical patent/CA948622A/en
Expired legal-status Critical Current

Links

CA187,451A 1968-11-25 1973-12-05 Rotary drive connection for casing drilling string Expired CA948622A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA187,451A CA948622A (en) 1968-11-25 1973-12-05 Rotary drive connection for casing drilling string

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US77850968A 1968-11-25 1968-11-25
CA068,100A CA943124A (en) 1968-11-25 1969-11-21 System and method for rotary drilling of wells using casing as the drill string and drive connection therefor
CA187,451A CA948622A (en) 1968-11-25 1973-12-05 Rotary drive connection for casing drilling string

Publications (1)

Publication Number Publication Date
CA948622A true CA948622A (en) 1974-06-04

Family

ID=27160495

Family Applications (1)

Application Number Title Priority Date Filing Date
CA187,451A Expired CA948622A (en) 1968-11-25 1973-12-05 Rotary drive connection for casing drilling string

Country Status (1)

Country Link
CA (1) CA948622A (en)

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