CA1027927A - Wear determination of drilling bits - Google Patents

Wear determination of drilling bits

Info

Publication number
CA1027927A
CA1027927A CA248,971A CA248971A CA1027927A CA 1027927 A CA1027927 A CA 1027927A CA 248971 A CA248971 A CA 248971A CA 1027927 A CA1027927 A CA 1027927A
Authority
CA
Canada
Prior art keywords
drilling bits
wear determination
wear
determination
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
CA248,971A
Other languages
French (fr)
Inventor
H. Rodney Morris
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 US05/613,343 external-priority patent/US4065499A/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1027927A publication Critical patent/CA1027927A/en
Expired legal-status Critical Current

Links

CA248,971A 1975-09-15 1976-03-26 Wear determination of drilling bits Expired CA1027927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/613,343 US4065499A (en) 1973-09-07 1975-09-15 Lubricant additive

Publications (1)

Publication Number Publication Date
CA1027927A true CA1027927A (en) 1978-03-14

Family

ID=24456948

Family Applications (1)

Application Number Title Priority Date Filing Date
CA248,971A Expired CA1027927A (en) 1975-09-15 1976-03-26 Wear determination of drilling bits

Country Status (1)

Country Link
CA (1) CA1027927A (en)

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