CA549284A - Meche retractile de forage de formation dure - Google Patents

Meche retractile de forage de formation dure

Info

Publication number
CA549284A
CA549284A CA549284A CA549284DA CA549284A CA 549284 A CA549284 A CA 549284A CA 549284 A CA549284 A CA 549284A CA 549284D A CA549284D A CA 549284DA CA 549284 A CA549284 A CA 549284A
Authority
CA
Canada
Prior art keywords
drill bit
hard formation
retractable hard
formation drill
retractable
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
CA549284A
Other languages
English (en)
Inventor
M. Camp John
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Esso Research and Engineering Co
Publication date
Application granted granted Critical
Publication of CA549284A publication Critical patent/CA549284A/fr
Expired legal-status Critical Current

Links

CA549284A Meche retractile de forage de formation dure Expired CA549284A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA549284T

Publications (1)

Publication Number Publication Date
CA549284A true CA549284A (fr) 1957-11-26

Family

ID=35710661

Family Applications (1)

Application Number Title Priority Date Filing Date
CA549284A Expired CA549284A (fr) Meche retractile de forage de formation dure

Country Status (1)

Country Link
CA (1) CA549284A (fr)

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