Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.

Shuzhen Cui

Liang Lv

Sheng Chang

Shouzhe Li

Jifeng Zhong

Chunqiang Lan

Rikui Zhang

Jian Zhang

Ruijie Du

Xiaolei Ji

Dawei Zhao

Xincheng Li

Yipeng Wu

Dong Liu

Zhuqing Mao

Kaishen Liu

Huaizhi Zhang

Xiance Li

Shanwu Fu

Weiwei Liu

Liang Li

Pengyuan Zhang

Yibo Jiang

Kun Zhang

Lili Wang

Xin Li

Ning Feng

Yuxuan Sun

Ting Zhang

Libin Zhou

Wanchun Zha

Kai Wang

Tao Kou

Qiong Wu

Tao Zhang

Maomao Han

Qili Cui

Song Zhang

Hao Yang

Yuanjie Xie

Mingqi Shao

A control system includes: a fracturing control device configured to acquire a target fracturing pressure of a fracturing unit, perform loop control on the fracturing unit by taking the target fracturing pressure as a control target, and set a target sand blending pressure for the sand blending unit; a sand blending control device configured to perform loop control on the sand blending unit by taking the target sand blending pressure as a control target.

Fracturing system and control system and method for the fracturing system

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

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

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

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

A variable-speed integrated machine and a wellsite apparatus are disclosed. The variable-speed integrated machine includes: a driving device which includes an electric motor and a housing; an inversion device which is disposed on the housing and electrically connected with the electric motor; an inversion heat dissipating device which is disposed at one side of the inversion device away from the housing and configured to perform heat dissipation on the inversion device in a liquid-cooling heat dissipating way; and a driving heat dissipating device, at least one portion of the driving heat dissipating device being disposed on the housing and configured to perform heat dissipation on the driving device in at least one selected from the group of a liquid-cooling heat dissipating way and an air-cooling heat dissipating way, the inversion device and at least one portion of the driving heat dissipating device are disposed on a same side of the housing.

Variable-speed integrated machine and wellsite apparatus

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

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

A fracturing system includes an energy storage having a battery and a switch, a switch cabinet, a plurality of transformers, a plurality of rectifiers, and a plurality of inverters respectively corresponding to and connected with a plurality of fracturing apparatuses. The switch cabinet is connected with the plurality of transformers. The plurality of transformers are respectively connected with the plurality of rectifiers. Each of the plurality of rectifiers is directly connected with a DC bus and the energy storage. The DC bus is directed connected to the plurality of inverters. The energy storage is directly electrically connected with the DC bus or each of the plurality of inverters. The energy storage is configured to power the plurality of fracturing apparatuses.

A fracturing apparatus may include a first plunger pump including a first power end and a first hydraulic end; a prime mover including a first power output shaft; and a first clutch including a first connection portion and a second connection portion. The first power end of the first plunger pump includes a first power input shaft, the first connection portion is coupled to the first power input shaft, the second connection portion is coupled to the first power output shaft of the prime mover.

A control method and a control device applied to an electric fracturing apparatus are provided. The electric fracturing apparatus includes a plunger pump and a first motor configured to drive the plunger pump, and the method includes: acquiring a preset displacement of the plunger pump; acquiring a rotation speed of the first motor and a discharge pressure of the plunger pump; determining a real-time displacement of the plunger pump based on the rotation speed of the first motor and the discharge pressure of the plunger pump and adjusting the real-time displacement; and upon the real-time displacement reaching the preset displacement, allowing the first motor to be kept in a stable operation state.

Control method and control device applied to electric fracturing apparatus

An electrically driven fracturing system is provided. The electrically driven fracturing system includes: one or more frequency converter apparatuses; and a plurality of electrically driven fracturing apparatuses configured to pressurize and output fluid. One of the one or more frequency converter apparatuses is connected with multiple ones of the plurality of electrically driven fracturing apparatuses, respectively, and the frequency converter apparatus is configured to adjust pressure and flow rate of fluid output by the multiple electrically driven fracturing apparatuses.

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Yantai, China

Shuzhen Cui