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:
May. 21, 2019
Filed:
Jan. 22, 2016
Applicant:
William J. Scharmach, Grand Island, NY (US);
Inventor:
William J. Scharmach, Grand Island, NY (US);
Assignee:
PRAXAIR TECHNOLOGY, INC., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/267 (2006.01); C09K 8/80 (2006.01); G01N 15/06 (2006.01); E21B 43/26 (2006.01); G01N 21/53 (2006.01); G01N 21/85 (2006.01);
U.S. Cl.
CPC ...
G01N 15/06 (2013.01); E21B 43/26 (2013.01); E21B 43/267 (2013.01); G01N 21/53 (2013.01); G01N 21/85 (2013.01); G01N 2015/0693 (2013.01);
Abstract
A system that provides for the measurement and control of proppant concentration in a liquefied gas fluid stream utilizing a non-nuclear optical detection device such as a near-infrared (NIR), visible (Vis), and ultraviolet (UV) photometer/nephelometer to be used in the fracture treatment of subterranean hydrocarbon formations.