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. 19, 2002
Filed:
Jun. 14, 2000
Applicant:
Inventors:
Stephen L. Jackson, Richmond, TX (US);
David R. Mandeville, Sugar Land, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 2/306 ;
U.S. Cl.
CPC ...
E21B 2/306 ;
Abstract
A releasable packer has a control line therethrough. A hydraulic release mechanism of the packer is controlled from the surface by application of flow and pressure. A modification of the packer and release mechanism using resettable collets and return springs allows multiple sets and releases of the packer.