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. 23, 2008
Filed:
Jun. 01, 2006
Scott Alistair Gordon, County Down, IE;
Tom Chandler, Wasilla, AK (US);
John Waddington, Uhrichsville, OH (US);
Johnny Mack Dove, Collinsville, TX (US);
William L. Vidrine, Houston, TX (US);
Glen Hall, East Brewton, AL (US);
Jack Gammill Clemens, Fairview, TX (US);
Scott Alistair Gordon, County Down, IE;
Tom Chandler, Wasilla, AK (US);
John Waddington, Uhrichsville, OH (US);
Johnny Mack Dove, Collinsville, TX (US);
William L. Vidrine, Houston, TX (US);
Glen Hall, East Brewton, AL (US);
Jack Gammill Clemens, Fairview, TX (US);
Halliburton Energy Services, Inc., Houston, TX (US);
Abstract
A downhole perforator assembly () for establishing communication between the interior of a tubular string () and a surrounding annulus () includes a downhole power unit () having a power unit housing () and a moveable shaft () and a downhole perforator () having a perforator housing (), a mandrel () slidably positioned within the perforator housing () and a penetrator () radially outwardly extendable from the perforator housing (). The power unit housing () is operably associated with the perforator housing () and the moveable shaft () operably associated with the mandrel () such that when the downhole power unit () is activated and the moveable shaft () is longitudinally shifted relative to the power unit housing (), the mandrel () is longitudinally shifted relative to the perforator housing () and at least a portion of the penetrator () is extended radially outwardly from the perforator housing ().