Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.

Liang Lv

Xincheng Li

Chunqiang Lan

Yipeng Wu

Rikui Zhang

Xiaolei Ji

Peng Zhang

Shuzhen Cui

Jifeng Zhong

Sheng Chang

Shouzhe Li

Yuxuan Sun

Zhuqing Mao

Jian Zhang

Ruijie Du

Jianwei Wang

Dawei Zhao

Huaizhi Zhang

Jihua Wang

Shanwu Fu

Dong Liu

Jianglei Zou

Ning Feng

Ting Zhang

Wanchun Zha

Haibo Zhang

Qiong Wu

Ligong Wu

Maomao Han

Cong Zhang

Kaishen Liu

Weipeng Yuan

Shuwei Li

Xin Li

Xiance Li

Libin Zhou

Tao Kou

Xu Liu

Dekun Tian

Yibo Jiang

Zhijie Liu

Chuanlu Bao

Zhongliang Liu

Wanchun Cha

Lintao Song

Mingqi Shao

Weiqiang Liu

Hong An

Kaien Wang

Junying Zhang

Xia Du

Chen Xiao

Fuying Mao

Qin Wang

Qiong Quan

Yunxiao Shi

Xueli Wei

Jianhong Shen

Guo Li

Weiyuan Xiao

Chao Lv

Zongcheng Li

Shuang Hou

Wenjing Ma

Jueping Ni

Juncheng Xiang

Liqi Zhou

Jiyong Liu

Yi Liu

The techniques disclosed herein reduce the withstand-voltage requirement on single power cell of a VFD (variable-frequency drive) system, and prevent the VFD system from stopping due to the damage of individual power cell in the VFD system. The VFD system includes: a motor; and a plurality of power cells connected in series for supplying electric power from a power supply facility to the motor after the electric power is subjected to voltage regulation and/or frequency conversion, so as to drive the motor to operate and generate a driving force.

Variable frequency drive system, variable frequency speed regulation integrated machine, pump system, and well site layout

A fracturing apparatus includes: a plunger pump having a hydraulic end and a power end, wherein the power end comprises a power end oil outlet and at least one power end oil inlet that are coupled to each other; a power end lubricating system, including a lubricating oil tank defining an accommodation space, at least one lubrication pump having a lubrication pump oil inlet and a lubrication pump oil outlet that are coupled to each other, and at least one lubrication motor configured to provide power for the at least one lubrication pump; a temperature detector disposed on any one of the oil return pipeline, the power end oil outlet, and the lubricating oil tank; and a control system connected to the temperature detector and the power end lubricating system and configured to control the power end lubricating system.

Fracturing apparatus

Fracturing equipment includes an electric-driven apparatus and an electric-power supply apparatus. The electric-driven apparatus includes at least one motor, at least one lubrication module, and at least one heat dissipation module. The electric-power supply apparatus includes a first electric-power supply and a second electric-power supply, where the at least one motor is powered by the first electric-power supply, and the at least one lubrication module and the at least one heat dissipation module are powered by at least one of the first electric-power supply or the second electric-power supply.

Fracturing equipment having multiple electric-power supplies

A mixing and discharging device, a mixing and discharging system and a fracturing system are provided. The mixing and discharging device comprises a main shell, an impeller structure and a main shaft. The main shell comprises a top cover; the impeller structure is in the main shell; the main shaft is configured to drive the impeller structure to rotate, penetrates through the top cover and extends into the main shell; a bottom end of the main shaft is in the main shell and is fixed on the impeller structure, and the bottom end of the main shaft is separated from the shell.

Mixing and discharging device, mixing and discharging system and fracturing system

The disclosure provides a fuel cell-based control method, a control device and a well-site stimulation method are provided. The control device includes: selecting at least one from a plurality of first fuel cells to form a fuel cell stack, and distributing gas for the fuel cell stack. Each first fuel cell forming the fuel cell stack is a second fuel cell, and distributing gas for the fuel cell stack includes: distributing gas with a first gas usage amount to the fuel cell stack; and distributing the gas with the first gas usage amount according to a cell gas distribution ratio so as to provide gas with a corresponding second gas usage amount to each second fuel cell respectively.

Fuel cell-based control method, control device and well-site stimulation method

A sand storage and conveying apparatus is provided. The sand storage and conveying apparatus includes: a sand storage device, at least two first conveying devices and a lifting device. The sand storage device includes at least two sand storage tanks arranged along a first direction; the at least two first conveying devices are arranged along the first direction and configured to convey sand to the at least two sand storage tanks, respectively; the lifting device includes a supporting frame and at least two lifting members connected onto the supporting frame, the at least two lifting members are arranged along the first direction, and each of the at least two lifting members is configured to lift a container with sand and put the container with sand into at least one of the first conveying devices.

Sand storage and conveying apparatus

The present disclosure provides a fracturing device driven by a variable-frequency adjustable-speed integrated machine (VFASIM), including the VFASIM and a plunger pump. The VFASIM includes a driving device for providing a driving force and an inverting device integrally installed on the driving device. The inverting device supplies power to the driving device. The plunger pump is integrally installed together with the VFASIM, the plunger pump is mechanically connected to the driving device of the VFASIM and driven by the driving device. According to the present disclosure, it is possible to achieve an overall layout with a high degree of integration. The present disclosure also provides a well site layout including a plurality of fracturing devices described above.

Fracturing device driven by a variable-frequency adjustable-speed integrated machine and a well site layout

A fracturing apparatus includes a motor, a first plunger pump, a power supply platform, a gas turbine engine, a generator, and one or more rectifiers. At least two of the gas turbine engine, the generator, and the one or more rectifiers are arranged on the power supply platform. A first end of the generator is connected to the gas turbine engine. A second end of the generator is connected to the one or more rectifiers. The generator is configured to output a voltage to the one or more rectifiers. The one or more rectifiers are configured to provide power to the motor. The motor is configured to drive the first plunger pump.

Fracturing apparatus and control method thereof, fracturing system

A fracturing apparatus, a control method of the fracturing apparatus and a fracturing system. The fracturing apparatus includes a plunger pump, a prime mover, a clutch and a clutch hydraulic system. The prime mover includes a power output shaft, and the clutch includes a first connection portion, a second connection portion and a clutch portion between the first connection portion and the second connection portion. The power end of the plunger pump includes a power input shaft, the first connection portion is connected with the power input shaft, the second connection portion is connected with the power output shaft of the prime mover, and the clutch hydraulic system is configured to provide hydraulic oil to the clutch. The fracturing apparatus further includes a first pressure sensor arranged in the clutch hydraulic system and configured to detect the hydraulic pressure of the clutch hydraulic system.

The present disclosure provides a fracturing system comprising fracturing equipment. The fracturing equipment comprises a power supply platform, a gas turbine engine, one or more rectifiers, and a power system comprising at least one of the following: a generator, an energy storage, and an electricity supplier. At least two of the gas turbine engine, the power system, and the one or more rectifiers are arranged on the power supply platform. A first end of the power system is connected to the gas turbine engine. A second end of the power system is connected to the one or more rectifiers. The power system is configured to output a voltage to the one or more rectifiers directly without passing through a rectifier transformer.

Fracturing system

Fracturing equipment includes: a plunger pump, a main motor and a noise reduction device. The plunger pump is used for pressurizing liquid. The main motor is connected to the plunger pump by transmission for providing driving force to the plunger pump. The noise reduction device is constructed as a cabin structure and covers outside the main motor and isolates the main motor from the plunger pump. With the fracturing equipment according to the present disclosure, the fracturing equipment is driven by the main motor with relatively low noise during operation. The noise reduction device isolates the main motor from the outside, which can effectively reduce the noise intensity transmitted to the outside during operation, thereby achieve the effect of noise reduction. In addition, the plunger pump is isolated from the main motor by the noise reduction device, thus realizing isolation of high-pressure dangerous areas and ensuring safe operation.

Fracturing equipment

A fracturing device includes a power unit, and the power unit includes a muffling compartment, a turbine engine, and an air intake unit. The air intake unit is communicated with the turbine engine through an intake pipe and configured to provide a combustion-supporting gas to the turbine engine; the air intake unit is at a top of the muffling compartment and the muffling compartment has an accommodation space, the turbine engine is within the accommodation space. A fan is further provided to generate wither positive pressure or negative presser in the muffling compartment to facilitate a cooling of the turbine engine.

Connection device, control box component and fracturing apparatus

An electrically-driven pumping system and a driving method thereof. The electrically-driven pumping system includes: a power generation device, at least one energy storage system, a main motor, a pumping device, an auxiliary device, and a first transformer. The first transformer includes an input end, a first output end, and a second output end, the power generation device is connected to the energy storage unit, the input end of the first transformer is connected to the energy storage unit, the first output end of the first transformer is electrically connected to the main motor, and the second output end of the first transformer is electrically connected to the auxiliary device.

Electrically-driven pumping system and driving method thereof

An exhaust device and an installation method thereof, a turbine fracturing apparatus, and a disassembly method of a turbine are provided. The exhaust device includes a body, a fixation plate, a pressure plate, and a diffusion pipe; the body includes a side wall; the fixation plate is configured to be fixed to the side wall; the pressure plate is configured to be able to be pre-fixedly connected and fixedly connected with the fixation plate; the diffusion pipe is configured to be fixed to the side wall through the pressure plate and the fixation plate; the fixation plate further comprises a first pre-installation part, and the pressure plate further comprises a second pre-installation part, and the second pre-installation part is matched with the first pre-installation part to realize pre-fixation of the diffusion pipe.

Exhaust device and installation method thereof, turbine fracturing apparatus, disassembly method of turbine

An oil-gas treatment system, an oil-gas treatment method and a mechanical apparatus are disclosed. The oil-gas treatment system includes an oil-gas separation device and a first oil-gas delivery device. The oil-gas separation device is configured to perform an oil-gas separation treatment on oil-gas generated by an oil-gas generation device, the oil-gas separation device includes a lubrication oil box for containing lubrication oil; the first oil-gas delivery device is communicated with the lubrication oil box and is configured to convey at least a part of the oil-gas into the lubrication oil box; the lubrication oil box is configured to separate the oil-gas conveyed into the lubrication oil box, and a separated oil product is left in the lubrication oil box.

Oil-gas treatment system, oil-gas treatment method and mechanical apparatus

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Shandong, China

Liang Lv