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:
Feb. 20, 2007
Filed:
Nov. 21, 2003
John E. Campbell, Houston, TX (US);
Charles H. Dewey, Houston, TX (US);
Chad D. Evans, The Woodlands, TX (US);
John E. Campbell, Houston, TX (US);
Charles H. Dewey, Houston, TX (US);
Chad D. Evans, The Woodlands, TX (US);
Smith International, Inc., Houston, TX (US);
Abstract
A downhole tool is disclosed that functions as an expandable anchoring tool, capable of passing through a restricted wellbore diameter while in a collapsed position and thereafter translating to an expanded position for grippingly engaging a larger wellbore diameter. An embodiment of the tool includes a body including a plurality of angled channels formed into a wall of the body and a plurality of moveable slips. The plurality of moveable slips translates along the plurality of angled channels between a collapsed position and an expanded position. The slips may include a plurality of extensions corresponding to and engaging the plurality of channels.