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:
Apr. 03, 2012
Filed:
Apr. 04, 2008
Bill Rhinehart, The Woodlands, TX (US);
Thomas M. Redlinger, Houston, TX (US);
Thurman B. Carter, Spring, TX (US);
Wei Xu, Houston, TX (US);
Hubert E. Halford, Rosharon, TX (US);
Martin Stulberg, Angleton, TX (US);
Bill Rhinehart, The Woodlands, TX (US);
Thomas M. Redlinger, Houston, TX (US);
Thurman B. Carter, Spring, TX (US);
Wei Xu, Houston, TX (US);
Hubert E. Halford, Rosharon, TX (US);
Martin Stulberg, Angleton, TX (US);
Weatherford/Lamb, Inc., Houston, TX (US);
Abstract
A method of removing a restriction in a tubular located in a well includes providing a drilling assembly with a drill bit and a reamer, the reamer having a cutting structure for removing the restriction; drilling through a lower portion of the tubular; expanding the reamer at a location below the restriction; and urging the reamer back toward the restriction to remove the restriction.