CA2615667C - Outil extensible avec dispositif de degagement secondaire
- Google Patents
Outil extensible avec dispositif de degagement secondaire
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Publication number
CA2615667C
CA2615667CCA2615667ACA2615667ACA2615667CCA 2615667 CCA2615667 CCA 2615667CCA 2615667 ACA2615667 ACA 2615667ACA 2615667 ACA2615667 ACA 2615667ACA 2615667 CCA2615667 CCA 2615667C
Authority
CA
Canada
Prior art keywords
expandable
wellbore
bit
settable
cutting apparatus
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.)
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.)
Weatherford Technology Holdings LLC
Original Assignee
Weatherford Lamb Inc
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 US10/335,957external-prioritypatent/US6953096B2/en
Application filed by Weatherford Lamb IncfiledCriticalWeatherford Lamb Inc
Publication of CA2615667A1publicationCriticalpatent/CA2615667A1/fr
Application grantedgrantedCritical
Publication of CA2615667CpublicationCriticalpatent/CA2615667C/fr