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:
Oct. 29, 2019
Filed:
Nov. 09, 2016
Applicant:
University of Kentucky Research Foundation, Lexington, KY (US);
Inventors:
Thomas Lee Robl, Sadieville, KY (US);
Anne Elizabeth Oberlink, Lexington, KY (US);
Assignee:
UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION, Lexington, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/80 (2006.01); C09K 8/62 (2006.01); E21B 43/267 (2006.01);
U.S. Cl.
CPC ...
C09K 8/80 (2013.01); C09K 8/62 (2013.01); E21B 43/267 (2013.01);
Abstract
A proppant for use in hydraulic fracturing to stimulate a well is provided. The proppant is fly ash particles having a mean particle size (d50) of between 45 μm and 150 μm and a size distribution defined by (d10)≤5 μm and (d98)≤250 μm.