Cable management of electric powered hydraulic fracturing pump unit
First Claim
Patent Images
1. A hydraulic fracturing system for fracturing a subterranean formation comprising:
- first and second pumps;
first and second motors for driving the first and second pumps, the first and second motors in electrical communication with a first junction box;
a transformer having a second junction box on a low voltage side of the transformer;
a first electrical circuit between the first motor and the transformer, and through which the first motor and transformer are in electrical communication; and
a second electrical circuit that is separate and isolated from the first electrical circuit, and that is between the second motor and the transformer, and through which the second motor and transformer are in electrical communication;
wherein each of the first and second electrical circuits includes a discrete cable between the first junction box and the second junction box.
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Abstract
A hydraulic fracturing system includes a pump, an electrically powered motor for driving the pump, a trailer on which the pump and motor are mounted, and a transformer that steps down electricity for use by the motor. Electrical output from the transformer connects to a series of receptacles mounted onto a housing around the transformer. A similar set of receptacles is provided on the trailer and which are electrically connected to the motor. Power cables equipped with plugs on their opposing ends insert into the receptacles to close an electrical circuit between the transformer and pump.
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Citations
16 Claims
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1. A hydraulic fracturing system for fracturing a subterranean formation comprising:
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first and second pumps; first and second motors for driving the first and second pumps, the first and second motors in electrical communication with a first junction box; a transformer having a second junction box on a low voltage side of the transformer; a first electrical circuit between the first motor and the transformer, and through which the first motor and transformer are in electrical communication; and a second electrical circuit that is separate and isolated from the first electrical circuit, and that is between the second motor and the transformer, and through which the second motor and transformer are in electrical communication; wherein each of the first and second electrical circuits includes a discrete cable between the first junction box and the second junction box. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A hydraulic fracturing system for fracturing a subterranean formation comprising:
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a source of electricity; a first junction box housing a row of source receptacles that are in electrical communication with the source of electricity; an electrically powered motor that is spaced apart from the source of electricity; a second junction box housing a row of motor receptacles that are in electrical communication with the motor; and cable assemblies that each comprise, a source plug that is selectively insertable into a one of the source receptacles, a motor plug that is selectively insertable into a one of the motor receptacles, and a cable in electrical communication with both the source plug and motor plug, so that when the source plug inserts into a one of the source receptacles, and the motor plug inserts into the a one of the motor receptacles, electricity at a designated phase is transmitted from the source of electricity to the motor; wherein electricity conducts from the source of electricity to the first motor along a first path, from the source of electricity to the second motor along a second path, and the first and second paths are separate and distinct from one another. - View Dependent Claims (9, 10, 11, 12)
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13. A method of hydraulic fracturing comprising:
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a. providing a first junction box in electrical communication with a source of electricity, and a second junction box in electrical communication with a fracturing pump motor, each of the first and second junctions boxes having receptacles; b. electrically connecting a fracturing pump motor with a source of electricity by inserting a source end of a cable assembly into a source receptacle of the first junction box and inserting a motor end of the cable assembly, which is in electrical communication with the source end of the cable assembly, into a motor receptacle of the second junction box, wherein the fracturing pump motor comprises a first fracturing pump motor and the cable assembly comprises a first cable assembly; c. directing fracturing fluid to a suction end of a fracturing pump that is coupled with the fracturing pump motor; d. causing the source of electricity to transmit electricity to the source receptacle, so that electricity conducts from the source receptacle, to the source and motor ends, to the motor receptacle, and to the motor; and e. pressurizing the fracturing fluid with the fracturing pump to form pressurized fracturing fluid, and directing the pressurized fracturing fluid to a wellbore; f. repeating steps (b)-(d) using a second fracturing pump motor and a second cable assembly;
wherein a path of electricity between the source of electricity and the first fracturing pump motor is separate and distinct from a path of electricity between the source of electricity and the second fracturing pump motor. - View Dependent Claims (14, 15, 16)
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Specification