Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.

Kaishen Liu

Zhuqing Mao

Shouzhe Li

Weiwei Liu

Liang Li

Shuzhen Cui

Dawei Zhao

Xiance Li

Haiping Xing

Pengyuan Zhang

Jun Zhang

Liang Lv

Jifeng Zhong

Rikui Zhang

Xiaolei Ji

Xincheng Li

Chunqiang Lan

Yipeng Wu

Sheng Chang

Jian Zhang

Ruijie Du

Shanwu Fu

Kai Wang

Song Zhang

Chuanlu Bao

Hao Yang

Haoliang Sun

Yuanjie Xie

Zhongliang Liu

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 fracturing system includes a plurality of electrical apparatuses, a plurality of fuel-driven apparatuses and a grounding system. The grounding system includes a first grounding metal wire, a second grounding metal wire, and a first grounding terminal. The first grounding terminal is spaced from each of the electrical apparatus and the electric-power supply apparatus by one or more distances. Each of the plurality of electrical apparatuses is connected to the first grounding metal wire and is connected to the first grounding terminal through the first grounding metal wire. Each of the plurality of fuel-driven apparatuses is connected to the second grounding metal wire and is connected to the first grounding terminal through the second grounding metal wire. The first grounding metal wire and the second grounding metal wire are connected to the first grounding terminal in parallel.

Fracturing well site system

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

A fracturing well site system includes an electric-driven apparatus, a fuel-driven apparatus, an electric-power supply apparatus and a grounding system. The grounding system includes a first grounding terminal which is spaced from each of the electric-driven apparatus, the fuel-driven apparatus and the electric-power supply apparatus by a preset distance. The fuel-driven apparatus and at least one of the electric-driven apparatus and the electric-power supply apparatus are connected to the first grounding terminal, and the first grounding terminal is configured to ground the fuel-driven apparatus and the at least one of the electric-driven apparatus and the electric-power supply apparatus.

A motor malfunction monitoring device for monitoring a malfunction of a drive motor, includes: vibration sensors for detecting for one or more components of the drive motor transverse vibration in a direction parallel to a mounting plane of the drive motor and perpendicular to a longitudinal direction of the drive motor or longitudinal vibration in a direction perpendicular to both the mounting plane and the longitudinal direction of the drive motor; a voltage sensor for detecting a voltage of the drive motor or a current sensor for detecting a current of the drive motor; and a data storage storing a database of normal operation spectrums of one of the transverse vibration or the longitudinal vibration during a normal operation of the drive motor, and of one of the voltage or the current during a normal operation of the drive motor.

Motor malfunction monitoring device, drive motor system and motor malfunction monitoring method

A sand conveying apparatus and a control method thereof, a controlling device, and a storage medium are provided. The sand conveying apparatus includes a storage device, a conveying device, and a hoisting device. The storage device is located above an area where sand needs to be input. The conveying device is connected with the storage device. The conveying device is configured to convey the sand to the storage device. The hoisting device is located above the conveying device. The hoisting device is configured to transport the sand in the sand container to the conveying device through an action of the hoist, and the hoist of the hoisting device is configured to move simultaneously along a plurality of route segments in different directions, so as to realize a linear movement between a first position where the hoist is located and a position where the hopper is located.

Sand conveying apparatus and control method thereof, control device, and storage medium

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

The present disclosure relates to a monitoring system and method for wellsite equipment, used for monitoring abnormities in the monitoring area of wellsite equipment, wherein the monitoring system for wellsite equipment comprises:

Monitoring system and method for wellsite equipment

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 power supply system for an electrically driven wellsite facility is provided. The power supply system includes a combined power supply module configured to be connected with the electrically driven wellsite facility, the combined power supply module comprising at least one generator and at least one power distribution station, wherein the at least one generator and the at least one power distribution station are disposed in parallel or combined to a power grid for supplying power to the electrically driven wellsite facility.

Power supply system for electrically driven wellsite facility

An evaluation method and an evaluation device for evaluating a health state of well site equipment, and a storage medium are provided. The evaluation method for evaluating the health state of the well site equipment includes: obtaining operating parameters of a component to be tested of equipment to be tested in at least one dimension, the at least one dimension including an operating data dimension, an environmental data dimension, and a maintenance data dimension; obtaining evaluation values of a health state of the component to be tested in various dimensions based on the operating parameters of the various dimensions; obtaining a comprehensive evaluation value of the health state of the component to be tested based on the evaluation values of the health state of the component to be tested in the various dimensions.

Evaluation method and evaluation device of health state of well site equipment, and storage medium

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

A fracturing control method is applied to a fracturing system including a plurality of fracturing pump sets. The method includes: turning on a first fracturing pump set according to a total required output of the fracturing system and priorities of the plurality of fracturing pump sets; adjusting an operating parameter of the first fracturing pump set according to an actual output of the first fracturing pump set and an output threshold corresponding to the first fracturing pump set, so that the actual output of the first fracturing pump set is f1 times the output threshold; and if the operating output of the first fracturing pump set is less than the total required output, turning on a second fracturing pump set, a priority of the second fracturing pump set being lower than a priority of the first fracturing pump set.

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Shandong, China

Kaishen Liu