CA828015A - Methods and apparatus for borehole drilling - Google Patents

Methods and apparatus for borehole drilling

Info

Publication number
CA828015A
CA828015A CA828015A CA828015DA CA828015A CA 828015 A CA828015 A CA 828015A CA 828015 A CA828015 A CA 828015A CA 828015D A CA828015D A CA 828015DA CA 828015 A CA828015 A CA 828015A
Authority
CA
Canada
Prior art keywords
methods
borehole drilling
borehole
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
CA828015A
Inventor
Whittle Frank
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
Publication date
Application granted granted Critical
Publication of CA828015A publication Critical patent/CA828015A/en
Expired legal-status Critical Current

Links

CA828015A Methods and apparatus for borehole drilling Expired CA828015A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA828015T

Publications (1)

Publication Number Publication Date
CA828015A true CA828015A (en) 1969-11-25

Family

ID=36305464

Family Applications (1)

Application Number Title Priority Date Filing Date
CA828015A Expired CA828015A (en) Methods and apparatus for borehole drilling

Country Status (1)

Country Link
CA (1) CA828015A (en)

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