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. 17, 2018
Filed:
Apr. 16, 2014
Applicant:
BJ Services, Llc, Tomball, TX (US);
Inventors:
Jennifer Hernandez, Tomball, TX (US);
Bruce A. Vicknair, The Woodlands, TX (US);
Blake C. Burnette, Tomball, TX (US);
Assignee:
BJ Services, LLC, Tomball, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
F04B 17/03 (2006.01); F04B 47/02 (2006.01); E21B 43/26 (2006.01);
U.S. Cl.
CPC ...
F04B 17/03 (2013.01); F04B 47/02 (2013.01); E21B 43/26 (2013.01);
Abstract
An apparatus configured to hydraulically fracture an earth formation, includes a pump configured to hydraulically fracture the earth formation by pumping a fracturing liquid into a borehole penetrating the earth formation and an electric motor having a rotor coupled to the pump and a stator. A motor control center is configured to apply an alternating electrical voltage having a fixed-frequency to the stator in order to power the electric motor, wherein the apparatus and motor control center do not have a variable frequency drive.