An electronically controlled pump system and methods of use of the same are disclosed herein. An electronically controlled pump system can include a first fluid pumping module and a second fluid pumping module. The first fluid pumping module can include a first pump module that can output a first fluid component at a first flow rate, and a first surge suppressor that can receive the output first fluid component. The second fluid pumping module includes a second pump module that can output a second fluid component at a second flow rate. The pump system includes a mixing manifold downstream of the first surge suppressor and the second fluid pumping module, which mixing manifold can mix the first fluid component and the second fluid component. The pump system can include a controller that can independently control the first pump module and the second pump module.

An electronically controlled pump system and methods of use of the same are disclosed herein. An electronically controlled pump system can include a first fluid pumping module and a second fluid pumping module. The first fluid pumping module can include a first pump module that can output a first fluid component at a first flow rate, and a first surge suppressor that can receive the output first fluid component. The second fluid pumping module includes a second pump module that can output a second fluid component at a second flow rate. The pump system includes a mixing manifold downstream of the first surge suppressor and the second fluid pumping module, which mixing manifold can mix the first fluid component and the second fluid component. The pump system can include a controller that can independently control the first pump module and the second pump module.

A fracturing apparatus and a vibration reduction method thereof. The fracturing apparatus includes at least one fracturing unit and a processing device, the fracturing unit includes: a plunger pump; a low-pressure liquid inlet manifold; a high-pressure discharge manifold; a pressure detection device, configured to detect a pressure value of the low-pressure fluid in the low-pressure liquid inlet manifold; and a vibration detection device, configured to detect vibration intensity of the plunger pump, the processing device is respectively communicated with the plunger pump, the pressure detection device and the vibration detection device, and is configured to control the plunger pump according to the vibration intensity detected by the vibration detection device and the pressure value detected by the pressure detection device. The fracturing apparatus can improve the displacement stability and serve life of the plunger pump.

A lubricating system is disclosed. The lubricating system includes: at least one first to-be-lubricated component, wherein an inlet of each of the at least one first to-be-lubricated component is connected with a first lubrication oil inlet pipe, and an outlet of the each of the at least one first to-be-lubricated component is connected with a first lubrication oil outlet pipe; and at least one second to-be-lubricated component, wherein an inlet of each of the second to-be-lubricated component is connected with a second lubrication oil inlet pipe, and an outlet of the each of the at least one second to-be-lubricated component is connected with a second lubrication oil outlet pipe. An operating pressure of the each of the at least one first to-be-lubricated component is different from a working pressure of the each of the at least one second to-be-lubricated component.

A downhole-type device includes an electric machine. The electric machine includes an electrical rotor configured to couple with a device to drive or be driven by the electric machine. An electrical stator surrounds the electric rotor. The electric stator includes a seal configured to isolate stator windings from an outside, downhole environment. An inner surface of the seal and an outer surface of the electric rotor define an annulus exposed to the outside environment. A bearing couples the electric rotor to the electric stator. A lubrication system is fluidically coupled to the downhole-type device. The lubrication system includes a topside pressure pump and a downhole-type distribution manifold configured to be used within a wellbore. The distribution manifold is fluidically connected to the topside pressure pump and the bearing to receive a flow of lubricant from the topside pressure pump.

A hydraulic fracturing system for fracturing a subterranean formation includes a support structure that includes an electric powered pump, arranged in a first area, the electric powered pump powered by at least one electric motor, also arranged in the first area. The system further includes a variable frequency drive (VFD), arranged in a second area proximate the first area, connected to the at least one electric motor to control the speed of the at least one electric motor. The system includes a transformer, arranged in a third area proximate the second area. The system also includes a slide out platform integrated into the first area, the slide out platform being driven between a retracted position and a deployed position.

A hydraulic fracturing system for fracturing a subterranean formation includes a support structure that includes an electric powered pump, arranged in a first area, the electric powered pump powered by at least one electric motor, also arranged in the first area. The system further includes a variable frequency drive (VFD), arranged in a second area proximate the first area, connected to the at least one electric motor to control the speed of the at least one electric motor. The system includes a transformer, arranged in a third area proximate the second area. The system also includes a slide out platform integrated into the first area, the slide out platform being driven between a retracted position and a deployed position.

In a pressurized cleaning apparatus comprising a pressure generation unit for pressurizing a fluid, in particular for supplying a pressurized fluid via a hose attachment, preferably via a hand-held pistol or a spray nozzle, an operating unit is provided that is designed to make it possible to set a maximum operating pressure of the pressure generation unit at which the pressure generation unit is deactivated.

In a pressurized cleaning apparatus comprising a pressure generation unit for pressurizing a fluid, in particular for supplying a pressurized fluid via a hose attachment, preferably via a hand-held pistol or a spray nozzle, an operating unit is provided that is designed to make it possible to set a maximum operating pressure of the pressure generation unit at which the pressure generation unit is deactivated.

A hydraulic fracturing system for fracturing a subterranean formation includes a primary switchgear arranged on a support structure. The system also includes a secondary switchgear, arranged on the support structure, the secondary switchgear positioned separately from the primary switchgear and within an enclosure, the secondary switchgear receiving an electrical input from the primary switchgear and including an plurality of feed connections for supplying electrical power to a plurality of fracturing equipment.