Patent ID: 8794307

Claim:
A system for powering wellsite surface equipment, comprising: at least one prime mover in communication with a fuel source for powering the prime mover and having at least one heat source, wherein the prime mover is selected from the group consisting of a compression ignition reciprocating engine, a spark ignition reciprocating engine, a fuel cell, and a turbine engine; at least one pump arranged to be driven by the prime mover, the at least one pump adapted to introduce at least one fluid for use in at least one wellbore and be supplied at least one fluid from the at least one wellbore; and at least one auxiliary system in communication with the heat source of the at least one prime mover, wherein the at least one auxiliary system comprises a heat exchanger configured to transfer heat from the heat source to the at least one fluid from the at least one wellbore, to boil off a portion of the at least one fluid from the at least one wellbore from another portion of the at least one fluid from the at least one wellbore.