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:
Apr. 15, 2008
Filed:
Apr. 15, 2005
Michael Garwood, Yukon, OK (US);
Mark Oettli, Richmond, TX (US);
Frank F. Espinosa, Richmond, TX (US);
Michael Garwood, Yukon, OK (US);
Mark Oettli, Richmond, TX (US);
Frank F. Espinosa, Richmond, TX (US);
Schlumberger Technology Corporation, Sugar Land, TX (US);
Abstract
The present invention relates to a packer cuphaving a deformable leading edgewhich moves away from well bore or casing obstructions as the packer cupis moved into a well bore. The anaxisymmetric deformable leading edgecan be formed by an angled leading edgewhich presents only a portion of the leading edgeto a well bore obstruction and allows the edgeto move past the obstruction with little or no longitudinal force. Another embodiment provides an anaxisymmetric deformable leading interior edgewhich is unduloid providing alternatively stiff and deformable sectionsof the edgeto move past the obstructions.