CA1185230A - Meche a tete massive et ame en carbure de tungstene - Google Patents

Meche a tete massive et ame en carbure de tungstene

Info

Publication number
CA1185230A
CA1185230A CA000417559A CA417559A CA1185230A CA 1185230 A CA1185230 A CA 1185230A CA 000417559 A CA000417559 A CA 000417559A CA 417559 A CA417559 A CA 417559A CA 1185230 A CA1185230 A CA 1185230A
Authority
CA
Canada
Prior art keywords
core
face
bit
drilling fluid
fluid passage
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
CA000417559A
Other languages
English (en)
Inventor
Joseph L. Kelly, Jr.
George E. Dolezal
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.)
Hughes Tool Co
Original Assignee
Hughes Tool Co
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
Application filed by Hughes Tool Co filed Critical Hughes Tool Co
Application granted granted Critical
Publication of CA1185230A publication Critical patent/CA1185230A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
CA000417559A 1982-02-22 1982-12-13 Meche a tete massive et ame en carbure de tungstene Expired CA1185230A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US35105882A 1982-02-22 1982-02-22
US351,058 1982-02-22

Publications (1)

Publication Number Publication Date
CA1185230A true CA1185230A (fr) 1985-04-09

Family

ID=23379391

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000417559A Expired CA1185230A (fr) 1982-02-22 1982-12-13 Meche a tete massive et ame en carbure de tungstene

Country Status (1)

Country Link
CA (1) CA1185230A (fr)

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry