System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources

  • US 10,020,711 B2
  • Filed: 04/14/2017
  • Issued: 07/10/2018
  • Est. Priority Date: 11/16/2012
  • Status: Active Grant
First Claim
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1. A hydraulic fracturing system for fracturing a subterranean formation comprising:

  • a plurality of electric pumps fluidly connected to a well associated with the subterranean formation and powered by at least one electric motor, and configured to pump fluid into a wellbore associated with the well at a high pressure so that the fluid passes from the wellbore into the subterranean formation and fractures the subterranean formation;

    at least one generator electrically coupled to the plurality of electric pumps so as to generate electricity for use by the plurality of electric pumps;

    a gas compression system fluidly coupled to the at least one generator so as to provide fuel for use by the at least one generator;

    an inert gas source providing an inert gas to regulate the fuel provided to the at least one generator; and

    a combustible fuel vaporization system gaseously coupled to the gas compression system so as to provide at least one of vaporized fuel or gasified fuel, or a combination thereof, to the gas compression system.

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