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. 01, 2017
Filed:
Jun. 18, 2014
Applicants:
William Scharmach, Grand Island, NY (US);
Daniel Dalton, Rock Springs, CO (US);
Gregory J. Panuccio, Amherst, NY (US);
Inventors:
William Scharmach, Grand Island, NY (US);
Daniel Dalton, Rock Springs, CO (US);
Gregory J. Panuccio, Amherst, NY (US);
Assignee:
PRAXAIR TECHNOLOGY, INC., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F 5/04 (2006.01); E21B 43/267 (2006.01); B01F 15/04 (2006.01); E21B 43/26 (2006.01); B01F 15/00 (2006.01);
U.S. Cl.
CPC ...
E21B 43/267 (2013.01); B01F 5/0418 (2013.01); B01F 15/00233 (2013.01); B01F 15/0429 (2013.01); E21B 43/26 (2013.01);
Abstract
A system and method is described that provides for proppant to be blended into a liquefied gas fluid stream with an eductor to produce a proppant slurry which is effectively controlled by the use of a control valve system and associated PLC controller. This system ensures allowing for operation of the system at various static pressures and keeps the proppant completely fluidized throughout the fracing operation.