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. 03, 2016
Filed:
Apr. 02, 2009
Applicants:
Barry Ekstrand, Katy, TX (US);
Frank Zamora, San Antonio, TX (US);
Sarkis R. Kakadjian, San Antonio, TX (US);
Inventors:
Barry Ekstrand, Katy, TX (US);
Frank Zamora, San Antonio, TX (US);
Sarkis R. Kakadjian, San Antonio, TX (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/267 (2006.01); E21B 21/08 (2006.01); C09K 8/70 (2006.01);
U.S. Cl.
CPC ...
C09K 8/70 (2013.01); E21B 43/267 (2013.01);
Abstract
Methods for reducing settling rates of proppants in fracturing fluids include injecting sufficient gas into the fluid to form bubbles that reduce proppant settling rates. Compositions including proppants made buoyant with gas bubbles.