CA1016933A - Swivel for core drilling - Google Patents

Swivel for core drilling

Info

Publication number
CA1016933A
CA1016933A CA257,562A CA257562A CA1016933A CA 1016933 A CA1016933 A CA 1016933A CA 257562 A CA257562 A CA 257562A CA 1016933 A CA1016933 A CA 1016933A
Authority
CA
Canada
Prior art keywords
swivel
core drilling
drilling
core
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
CA257,562A
Inventor
Alfred R. Curington
Theodore J. Roscoe (Jr.)
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.)
Bakerdrill Inc
Original Assignee
Bakerdrill Inc
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 US392628A external-priority patent/US3871486A/en
Application filed by Bakerdrill Inc filed Critical Bakerdrill Inc
Priority to CA257,562A priority Critical patent/CA1016933A/en
Application granted granted Critical
Publication of CA1016933A publication Critical patent/CA1016933A/en
Expired legal-status Critical Current

Links

CA257,562A 1973-08-29 1976-07-22 Swivel for core drilling Expired CA1016933A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA257,562A CA1016933A (en) 1973-08-29 1976-07-22 Swivel for core drilling

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US392628A US3871486A (en) 1973-08-29 1973-08-29 Continuous coring system and apparatus
CA199,060A CA1002510A (en) 1973-08-29 1974-05-06 Continuous coring system and apparatus
CA257,562A CA1016933A (en) 1973-08-29 1976-07-22 Swivel for core drilling

Publications (1)

Publication Number Publication Date
CA1016933A true CA1016933A (en) 1977-09-06

Family

ID=27163456

Family Applications (1)

Application Number Title Priority Date Filing Date
CA257,562A Expired CA1016933A (en) 1973-08-29 1976-07-22 Swivel for core drilling

Country Status (1)

Country Link
CA (1) CA1016933A (en)

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