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. 24, 2012
Filed:
Jun. 08, 2010
Applicants:
Nathan J. Harder, Magnolia, TX (US);
Harry B. Curlett, Cody, WY (US);
Paul O. Padgett, Casper, WY (US);
Butch Hazel, Cody, WY (US);
Inventors:
Nathan J. Harder, Magnolia, TX (US);
Harry B. Curlett, Cody, WY (US);
Paul O. Padgett, Casper, WY (US);
Butch Hazel, Cody, WY (US);
Assignee:
PDTI Holdings, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and method for excavating a formation according to which at least one vessel that is selectively pressurized from a first pressure to second pressure to inject a suspension of liquid and a plurality of impactors into a formation to remove at least a portion of the formation.