CA948622A - Rotary drive connection for casing drilling string - Google Patents
Rotary drive connection for casing drilling stringInfo
- 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
Links
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) |
-
1973
- 1973-12-05 CA CA187,451A patent/CA948622A/en not_active Expired
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