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:
Aug. 11, 2015
Filed:
May. 14, 2012
Applicants:
Timothy O'rourke, Calgary, CA;
Ronald Dant, Duncan, OK (US);
Inventors:
Timothy O'Rourke, Calgary, CA;
Ronald Dant, Duncan, OK (US);
Assignee:
GasFrac Energy Services Inc., Calgary, Alberta, unknown;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 36/00 (2006.01); E21B 43/24 (2006.01); E21B 43/00 (2006.01); E21B 43/26 (2006.01);
U.S. Cl.
CPC ...
E21B 43/00 (2013.01); E21B 43/26 (2013.01);
Abstract
An apparatus for the supply of inert gas at a well site, the apparatus comprising one or more pressure vessels containing liquefied inert gas, a heat exchanger, one or more units of fracturing equipment connected to a manifold, a submersible pump in each of the one or more pressure vessels, each submersible pump being connected to supply liquefied inert gas to a supply line that passes through the heat exchanger and the supply line being connected to supply inert gas vaporized by the heat exchanger to the manifold.