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:
Jun. 22, 2004
Filed:
Nov. 09, 2001
Applicant:
Inventors:
Eugene P. Lunghofer, Youngstown, NY (US);
Larry A. Wolfe, Tonawana, NY (US);
Assignee:
Badger Mining Corporation, Berlin, WI (US);
Primary Examiner:
Int. Cl.
CPC ...
C09K 3/00 ; C04B 3/503 ; E21B 4/326 ;
U.S. Cl.
CPC ...
C09K 3/00 ; C04B 3/503 ; E21B 4/326 ;
Abstract
An improved lightweight and highly permeable proppant composition for use in increasing the productivity of a gas or oil well. The proppant composition includes equal amounts by weight of uncalcined bauxite, uncalcined shale and quartz, held together with a binder formed of wollastonite and talc in an amount of less than 10% by weight of the composition. The proppant composition has an alumina content of less than 25% by weight of the composition and a silica content of over 45% by weight of the composition.