The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 13, 2012
Filed:
Jun. 11, 2009
Applicant:
Britt O. Braddick, Houston, TX (US);
Inventor:
Britt O. Braddick, Houston, TX (US);
Assignee:
TIW Corporation, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 23/08 (2006.01); E21B 23/00 (2006.01); E21B 23/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A toolis provided for radially expanding a downhole tubular C, and includes a central tool mandrelwhich functionally is part of a drill string or work string, a tubular expanderat the lower end of the tubular, and a downhole actuatorfor forcibly moving the expander axially within the downhole tubular. Slipsare positioned for securing the tool within the tubular, so that the slips may be set, and the tool subsequently stroked to move the expanderand radially expand a length of the tubular. Upward pull on the work string may expand long portions of the downhole tubular.