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.

Date of Patent:
May. 04, 2004

Filed:

Aug. 20, 1999
Applicant:
Inventors:

Dannie R. Collins, The Colony, TX (US);

James M. Barker, Mansfield, TX (US);

David J. Leidel, Arlington, TX (US);

John A. Regalbuto, Fort Worth, TX (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 4/3116 ;
U.S. Cl.
CPC ...
E21B 4/3116 ;
Abstract

Apparatus and associated methods of using the apparatus are disclosed for performing cuts in a subterranean well. The apparatus utilizes linear shaped charges arranged in an endless pattern which are used to cut a pattern in a downhole structure. The charges are discharged to perform the cutting operation.


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