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A fracturing pump online monitoring and fault diagnosis system

A fault diagnosis system and fracturing pump technology, applied in pump testing, measurement, wellbore/well components, etc., can solve problems such as high cost of pressure sensors, complex structure of fracturing pumps, increased operating costs, etc., to improve troubleshooting The effect of aging

Active Publication Date: 2021-08-17
橙色云互联网设计有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The working state monitoring of valves has always been a problem in the industry. The industry usually uses the pressure difference between the inlet and outlet for monitoring. However, due to the very high pressure, the cost of a large-range and high-precision pressure sensor is very high, and this method cannot locate the working status of each valve. In addition, the internal structure of the fracturing pump is complex. If a component fails, it is difficult to locate it on site. Generally, it needs to be returned to the factory for repair, resulting in a decrease in the use efficiency of the equipment and greatly increasing the operating cost.

Method used

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  • A fracturing pump online monitoring and fault diagnosis system
  • A fracturing pump online monitoring and fault diagnosis system
  • A fracturing pump online monitoring and fault diagnosis system

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Embodiment Construction

[0055] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0056] Please refer to figure 1 As shown, it is a logical block diagram of the online monitoring and fault diagnosis system for fracturing pumps of the present invention. An online monitoring and fault diagnosis system for a fracturing pump, the fracturing pump includes a power input end and a hydraulic output end, and is characterized in that it includes a signal acquisition module 10, a signal processing module 20 and a data module 30, the signal acquisition The module 10 is connected in communication with the signal processing module 20; the signal processing module 20 is connected in communication with the data module 30;

[0057] Such as figure 2 As shown, the signal acquisition module includes a front colle...

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Abstract

The invention discloses an on-line monitoring and fault diagnosis system for fracturing pumps, which includes a signal acquisition module, a signal processing module and a data module; Including fault prediction and concurrency control module, threshold and window function setting module, vibration signal feature extraction and identification module respectively cross-linked with data, general signal processing module, rule-based prediction algorithm module, data sharing buffer module; To provide benchmark data and technical support data; the data is analyzed and processed by the signal processing module to obtain the working status of the main components of the pump. Therefore, the fracturing pump online monitoring and fault diagnosis system of the present invention realizes the integration of state monitoring-diagnosis-forecasting-treatment and management of fracturing pumps, reduces the operation and maintenance cost of fracturing pumps, and the present invention also discloses a The on-line monitoring and diagnosis method of the fracturing pump is based on the above system.

Description

technical field [0001] The invention relates to the field of equipment operation and maintenance, in particular to an online monitoring and fault diagnosis system for a fracturing pump. Background technique [0002] The fracturing pump is an important measure equipment for oil field water injection, fracturing, acidizing, etc. to improve the production and recovery of oil layers, and is widely used in various oil and gas fields. In the hydraulic fracturing operation, the pressure of the fracturing fluid is used to open the formation and form several cracks, so as to achieve the purpose of increasing production and injection. The fracturing pump is the core equipment to achieve this purpose. For the working conditions of fracturing construction, the fracturing pump is required to have the characteristics of high pressure, large displacement, strong corrosion resistance and wear resistance, which makes the parts of the fracturing pump easy to wear and need to be replaced frequ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B51/00E21B47/00E21B43/26
CPCE21B43/26E21B47/00F04B51/00
Inventor 赵秀娟孙成文
Owner 橙色云互联网设计有限公司
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