Abstract: A system includes a pressure exchanger configured to exchange pressure between a first fluid and a second fluid. The system further includes a shaft at least partially disposed within the pressure exchanger. The system further includes an electric motor coupled to the shaft. The electric motor is configured to control fluid flow in the pressure exchanger. A controller is configured to receive sensor data from one or more sensors associated with the pressure exchanger and vary proportions of the first fluid and the second fluid entering the pressure exchanger to reduce mixing of the first fluid and the second fluid in the pressure exchanger.

Abstract: A hydraulic energy transfer system including an isobaric pressure exchanger (IPX) configured to exchange pressure between a first fluid and a second fluid. The IPX includes a channel formed by the IPX. The IPX is designed to direct the first fluid to a first opening of the channel and the second fluid to a second opening of the channel. The IPX further includes a barrier disposed within the channel. The barrier is designed to reduce mixing of the first fluid and the second fluid while exchanging pressure between the first fluid and the second fluid within the channel.

Abstract: A pumping system that includes a reciprocating isobaric pressure exchanger (reciprocating IPX) designed to exchange pressures between a first fluid and a second fluid. The first fluid includes a substantially particulate free fluid and the second fluid includes a particulate laden fluid. The reciprocating IPX includes a valve having a first and second piston. The value further includes a shaft coupling the first piston to the second piston and a drive coupled to the shaft.

Abstract: A method includes removing a worn portion from a component of a rotary isobaric pressure exchanger (IPX). The rotary IPX is configured to exchange pressures between a first fluid and a second fluid. The method further includes repairing the component after the worn portion is removed from the component.

Abstract: A system includes a hydraulic energy transfer system configured to exchange pressures between a first fluid and a second fluid, wherein pressure of the first fluid is greater than pressure of the second fluid. The system also includes a lubrication system coupled to the hydraulic energy transfer system and configured to pump or direct a lubrication fluid into the hydraulic energy transfer system.

Abstract: A method includes removing a worn portion from a component of a rotary isobaric pressure exchanger (IPX). The rotary IPX is configured to exchange pressures between a first fluid and a second fluid. The method also includes repairing the component after the worn portion is removed from the component.

Abstract: A hydraulic energy transfer system including an isobaric pressure exchanger (IPX) configured to exchange pressure between a first fluid and a second fluid. The IPX includes a channel formed by the IPX. The IPX is designed to direct the first fluid to a first opening of the channel and the second fluid to a second opening of the channel. The IPX further includes a barrier disposed within the channel. The barrier is designed to reduce mixing of the first fluid and the second fluid while exchanging pressure between the first fluid and the second fluid within the channel.

Abstract: A system includes a pump configured to pressurize a first fluid, and a pressure exchanger (PX). The PX is configured to receive a second fluid, to receive the pressurized first fluid, and to utilize the pressurized first fluid to pressurize the drilling mud for transport to a well.

Abstract: A pumping system that includes a reciprocating isobaric pressure exchanger (reciprocating IPX) designed to exchange pressures between a first fluid and a second fluid. The first fluid includes a substantially particulate free fluid and the second fluid includes a particulate laden fluid. The reciprocating IPX includes a valve having a first and second piston. The value further includes a shaft coupling the first piston to the second piston and a drive coupled to the shaft.

Abstract: A frac system that includes a hydraulic energy transfer system configured to exchange pressures between a first fluid and a second fluid.

Abstract: A system includes a monitoring system to monitor an operational parameter of a bearing assembly within a hydraulic turbocharger. The bearing monitoring system includes at least one sensor to monitor a relative position or operational parameter of one or more rotating components of the bearing assembly.

Abstract: A system including a rotary isobaric pressure exchanger configured to exchange pressures between a first fluid and a second fluid, and a lubrication system configured to lubricate the rotary isobaric pressure exchanger. The pump may pump a third fluid into the rotary isobaric pressure exchanger to lubricate the rotary isobaric pressure exchanger.

Abstract: A system includes a hydraulic energy transfer system configured to exchange pressures between a first fluid and a second fluid, wherein pressure of the first fluid is greater than pressure of the second fluid. The system also includes a lubrication system coupled to the hydraulic energy transfer system and configured to pump or direct a lubrication fluid into the hydraulic energy transfer system.

Abstract: A system includes a hydraulic energy transfer system configured to exchange pressures between a first fluid and a second fluid, wherein pressure of the first fluid is greater than pressure of the second fluid. The system also includes a lubrication system coupled to the hydraulic energy transfer system and configured to pump or direct a lubrication fluid into the hydraulic energy transfer system.

Abstract: A method for using a pressure exchanger to reduce flow as a choke that includes receiving a flow of high pressure fluid at the pressure exchanger, filling a chamber of the pressure exchanger with high pressure fluid, and discharging a portion of the fluid in the chamber at a low pressure.

Abstract: A system includes a hydraulic energy transfer system configured to exchange pressures between a first fluid and a second fluid. The first fluid is at a higher pressure than the second fluid. The system also includes a high pressure pump configured to increase a pressure of the second fluid. Additionally, the system includes a controller programmed to control one or more valves of the system to selectively route the second fluid to the hydraulic energy transfer system or to the high pressure pump based on an operating condition of the system.

Abstract: A system includes a hydraulic fracturing system including a hydraulic energy transfer system configured to exchange pressures between a first fluid and a second fluid. The hydraulic fracturing system also includes a common manifold including one or more high pressure manifolds and one or more low pressure manifolds. The one or more high pressure manifolds and the one or more low pressure manifolds are coupled to the hydraulic energy transfer system.

Abstract: A rotary isobaric pressure exchanger (IPX) includes a first end cover having a first surface that interfaces with a first end face of a rotor, wherein the first end cover has at least one first fluid inlet and at least one first fluid outlet. The IPX includes a second end cover having a second surface that interfaces with a second end face of the rotor, wherein the second end cover has at least one second fluid inlet and at least one second fluid outlet. The IPX includes a port disposed through the first surface of the first end cover or through the second surface of the second end cover, wherein during rotation of the cylindrical rotor about the rotational axis the port is configured to fluidly communicate with at least one channel of the plurality of channels within the rotor.

Abstract: A system including a fluid processing system including an absorber configured to remove a component from an untreated first fluid using a lean second fluid, output a treated first fluid, and output a rich second fluid, a stripper configured to strip the component from the rich second fluid, output the lean second fluid, and output the component, a first pump configured to pump the lean second fluid into the absorber, and a hydraulic turbocharger configured to pump the lean second fluid by transferring pressure from the rich second fluid to the lean second fluid.

Abstract: A system including a frac system with a hydraulic energy transfer system configured to exchange pressures between a first fluid and a second fluid, and a flush system configured remove particulate out of the hydraulic energy transfer system.