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:
Dec. 21, 2010
Filed:
Mar. 03, 2009
Todor K. Sheiretov, Houston, TX (US);
Dwight C. Chilcoat, Fresno, TX (US);
Robin A. Ewan, Stafford, TX (US);
Carl J Roy, Richmond, TX (US);
Matthew Billingham, Houston, TX (US);
Franz Aguirre, Missouri City, TX (US);
Todor K. Sheiretov, Houston, TX (US);
Dwight C. Chilcoat, Fresno, TX (US);
Robin A. Ewan, Stafford, TX (US);
Carl J Roy, Richmond, TX (US);
Matthew Billingham, Houston, TX (US);
Franz Aguirre, Missouri City, TX (US);
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
A downhole tool is provided that includes a grip assembly for contacting a well formation. The grip assembly includes a gripper body; and a centralizer that is attached to and radially expandable with respect to the gripper body and that has a geometry which is lockable by a locking device. The grip assembly also includes a force amplifier in force transmitting relation with the centralizer, wherein the force amplifier transfers a force in a first direction to a much larger force in a second direction when the centralizer is locked by the locking device.