CA838548A - Core drilling system - Google Patents

Core drilling system

Info

Publication number
CA838548A
CA838548A CA838548A CA838548DA CA838548A CA 838548 A CA838548 A CA 838548A CA 838548 A CA838548 A CA 838548A CA 838548D A CA838548D A CA 838548DA CA 838548 A CA838548 A CA 838548A
Authority
CA
Canada
Prior art keywords
drilling system
core drilling
core
drilling
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
CA838548A
Inventor
J. Martinsen Lyle
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.)
Boyles Bros Drilling Co
Original Assignee
Boyles Bros Drilling Co
Publication date
Application granted granted Critical
Publication of CA838548A publication Critical patent/CA838548A/en
Expired legal-status Critical Current

Links

CA838548A Core drilling system Expired CA838548A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA838548T

Publications (1)

Publication Number Publication Date
CA838548A true CA838548A (en) 1970-04-07

Family

ID=36322745

Family Applications (1)

Application Number Title Priority Date Filing Date
CA838548A Expired CA838548A (en) Core drilling system

Country Status (1)

Country Link
CA (1) CA838548A (en)

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