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Pumping Unit Online Fault Diagnosis System and Its Diagnosis Method

A technology of fault diagnosis and pumping unit, which is applied in earthwork drilling, wellbore/well components, buildings, etc. It can solve problems such as poor geographical environment, high cost of communication system establishment, and failure to deal with a single oil well in time

Active Publication Date: 2021-09-10
XIAN YONGRUI AUTOMATION
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  • Abstract
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  • Application Information

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Problems solved by technology

There are following problems like this: 1) because the historical database is very large, there are many oil wells to be processed by the workstation, which cannot be processed in time for a single oil well
2) Since oil wells are distributed in scattered locations and the geographical environment is harsh, to achieve smooth communication between wells and wells, the cost of establishing a communication system is high

Method used

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  • Pumping Unit Online Fault Diagnosis System and Its Diagnosis Method
  • Pumping Unit Online Fault Diagnosis System and Its Diagnosis Method
  • Pumping Unit Online Fault Diagnosis System and Its Diagnosis Method

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] In the prior art, the fault diagnosis and processing of the pumping unit are generally realized in the following ways: a data acquisition device is installed on the pumping unit to be tested and the oil well where it is located, and the field data collected are passed through the public wireless network, optical cable, small microwave and other communication channels are transmitted to the control center, and the system workstatio...

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Abstract

The invention relates to an online fault diagnosis system and a diagnosis method for a pumping unit. The system is set on a single pumping unit to be tested and its oil well, and includes an online measurement unit, a control unit, an online analysis unit, a power supply unit and other auxiliary units; The online measurement unit measures the moving oil production parameters of a single pumping unit and the real-time well condition parameters of the oil well where it is located, and transmits the moving oil production parameters and real-time well condition parameters to the online analysis unit. Whether the working state of the pumping unit is healthy or not, the control unit controls the start and stop of the pumping unit according to the judgment result, and the control unit transmits the analysis results to the control center synchronously through wireless or wired transmission; other auxiliary units include video online monitoring module, fire alarm The monitoring module and the smoke monitoring module, the online video monitoring module, the fire alarm monitoring module and the smoke monitoring module are all connected with the control unit and the control center.

Description

technical field [0001] The invention belongs to the technical field of online fault diagnosis and control of a pumping unit in the petroleum drilling industry, and in particular relates to an online fault diagnosis system of a pumping unit. Background technique [0002] In the modern oil recovery process, the online fault diagnosis technology of the pumping unit is already an important part, and it is a key technology of the digital oil field. There are about 140,000 oil wells on land in my country, more than 90% of which use rod pump oil production technology. At present, the analysis of oil well operation status adopts a centralized processing method: install data acquisition devices on the oil well site, and collect field data through public wireless networks. , optical cable, small microwave and other communication channels are transmitted to the control center, and the system workstation of the control center performs centralized processing. There are following problems...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B47/009E21B43/12
CPCE21B43/121E21B43/127E21B47/009
Inventor 杨永峰
Owner XIAN YONGRUI AUTOMATION
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