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:
Jul. 26, 2011
Filed:
Dec. 21, 2010
Applicants:
Brenden M. Grove, Missouri City, TX (US);
Andrew T. Werner, East Bernard, TX (US);
Philip Kneisl, Pearland, TX (US);
Inventors:
Brenden M. Grove, Missouri City, TX (US);
Andrew T. Werner, East Bernard, TX (US);
Philip Kneisl, Pearland, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F42B 1/028 (2006.01); F42B 1/032 (2006.01); F42B 1/036 (2006.01);
U.S. Cl.
CPC ...
Abstract
A perforating charge for use in a wellbore includes an explosive and a liner to be collapsed by detonation of the explosive. The liner includes at least a first liner portion and a second liner portion which have different cohesiveness.