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:
Nov. 30, 2004
Filed:
Sep. 23, 2002
Applicant:
Inventors:
David M. Eslinger, Broken Arrow, OK (US);
Avel Z. Ortiz, Houston, TX (US);
Assignee:
Schlumberger Technology Corp., Sugar Land, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 3/312 ;
U.S. Cl.
CPC ...
E21B 3/312 ;
Abstract
An apparatus and method for opposing pressure-induced forces acting on a mandrel of a downhole tool. The apparatus and method are particularly suited for use with a packer and include a piston engageable with the mandrel. Forces placed upon the piston by pressure communicated from the tubing bore are transferred to the mandrel.