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:
Apr. 11, 2017
Filed:
May. 29, 2014
Marvin Boedeker, Shiner, TX (US);
Michael Raindl, Shiner, TX (US);
Andrew Houbre, New Bedford, MA (US);
Mark Brodeur, New Bedford, MA (US);
Michael Vieira, New Bedford, MA (US);
Marvin Boedeker, Shiner, TX (US);
Michael Raindl, Shiner, TX (US);
Andrew Houbre, New Bedford, MA (US);
Mark Brodeur, New Bedford, MA (US);
Michael Vieira, New Bedford, MA (US);
Other;
Abstract
A hydraulic fracturing ball sealer used in fracturing of shale formations. A preferred embodiment is constructed of a generally spherical core and a pair of hemispherical shells positioned about the core. The shells are secured to each other along an equatorial seam. The multilayer frac-ball provides a strong but machinable structure with a pliable outer surface that is corrosion resistant, has a specific gravity that allows it to float in the fracturing fluid, and is relatively easy and inexpensive to manufacture. The frac-ball of the present invention is a two piece metal and polymer design. A two-part embodiment comprises a polymer core with a metal case or shell. A layer of epoxy resin may be used to secure the shell to the core. Alternate embodiments include multiple layers of different materials, generally arranged concentrically within the spherical shape. The surface of the frac-ball may be smooth, scored, or serrated.