CA2553380A1 - Trepan bi-centre a stabilite de forage amelioree, a systeme hydraulique d'evacuation des boues et a resistance a l'endommagement des couteaux - Google Patents

Trepan bi-centre a stabilite de forage amelioree, a systeme hydraulique d'evacuation des boues et a resistance a l'endommagement des couteaux Download PDF

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Publication number
CA2553380A1
CA2553380A1 CA002553380A CA2553380A CA2553380A1 CA 2553380 A1 CA2553380 A1 CA 2553380A1 CA 002553380 A CA002553380 A CA 002553380A CA 2553380 A CA2553380 A CA 2553380A CA 2553380 A1 CA2553380 A1 CA 2553380A1
Authority
CA
Canada
Prior art keywords
bit
blades
circle
drill
center
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.)
Abandoned
Application number
CA002553380A
Other languages
English (en)
Inventor
Timothy P. Beaton
David Truax
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.)
Smith International Inc
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 US09/345,688 external-priority patent/US6269893B1/en
Application filed by Individual filed Critical Individual
Publication of CA2553380A1 publication Critical patent/CA2553380A1/fr
Abandoned legal-status Critical Current

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  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
CA002553380A 1999-06-30 2000-06-23 Trepan bi-centre a stabilite de forage amelioree, a systeme hydraulique d'evacuation des boues et a resistance a l'endommagement des couteaux Abandoned CA2553380A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/345,688 US6269893B1 (en) 1999-06-30 1999-06-30 Bi-centered drill bit having improved drilling stability mud hydraulics and resistance to cutter damage
US09/345,688 1999-06-30
CA002312272A CA2312272C (fr) 1999-06-30 2000-06-23 Trepan bi-centre a stabilite de forage amelioree, a systeme hydraulique d'evacuation des boues et a resistance a l'endommagement des couteaux

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002312272A Division CA2312272C (fr) 1999-06-30 2000-06-23 Trepan bi-centre a stabilite de forage amelioree, a systeme hydraulique d'evacuation des boues et a resistance a l'endommagement des couteaux

Publications (1)

Publication Number Publication Date
CA2553380A1 true CA2553380A1 (fr) 2000-12-30

Family

ID=37101511

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002553380A Abandoned CA2553380A1 (fr) 1999-06-30 2000-06-23 Trepan bi-centre a stabilite de forage amelioree, a systeme hydraulique d'evacuation des boues et a resistance a l'endommagement des couteaux

Country Status (1)

Country Link
CA (1) CA2553380A1 (fr)

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