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. 13, 2005
Filed:
Apr. 23, 2003
Applicant:
Philippe Louis Cravatte, Aberdeen, GB;
Inventor:
Philippe Louis Cravatte, Aberdeen, GB;
Assignee:
Varel International, Ltd., Carrollton, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B010/32 ; E21B010/46 ;
U.S. Cl.
CPC ...
Abstract
A drilling tool having an expandable bladder and a method for using the same are provided. The drilling tool includes a tool body having an interior cavity, a plurality of extendable arms coupled with the tool body, and an expandable bladder at least partially disposed within the interior cavity of the tool body. The expandable is operable to deploy the extendable arms from a retracted position relative to the exterior surface of the tool body to an extended position relative to the exterior surface of the tool body.