

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 or warranty as to the accuracy of the list.) Odell Jim Terry Dave McKay Samir Alkhatib Mike Wardley Current Assignee (The listed assignees may be inaccurate.

Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related, expires Application number US11/932,495 Other versions US20080110673A1
MIT BRASS RAT 1950 PDF
Google Patents Apparatus and methods for drilling a wellbore using casingĭownload PDF Info Publication number US8127868B2 US8127868B2 US11/932,495 US93249507A US8127868B2 US 8127868 B2 US8127868 B2 US 8127868B2 US 93249507 A US93249507 A US 93249507A US 8127868 B2 US8127868 B2 US 8127868B2 Authority US United States Prior art keywords casing drilling wellbore earth removal fluid Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US8127868B2 - Apparatus and methods for drilling a wellbore using casing US8127868B2 - Apparatus and methods for drilling a wellbore using casing
