Intelligent intertraverse dynamograph of the mesdoza of sucker-rod deep-pumping units

Rod downhole pumping units widely used in oil production are described. It is shown that oil production depends on the mode of operation of these units, which is selected based on the results of the analysis of closed dynamometer charts. Dynamograms describe the load on the suspension depending on the course of the polished rod of the installation, the quality of the construction of the dynamograms is decisive for diagnosing the technical condition of the installation. The trends in the development of existing dynamometer systems and methods for diagnosing the state of a sucker rod pumping unit are analyzed. One of the ways to create an intelligent intertraverse mesdoza dynamograph based on the mesdoza of a pocket dynamograph using modern pressure, acceleration, temperature sensors, STM32 controllers, a graphic liquid crystal display with an I2C interface, radio communication protocols and digital technologies for processing periodic sensor signals is presented. Based on the analysis of existing dynamometer systems and force and stroke sensors installed in various places of the installation design, and taking into account modern advances in technology and technologies for analyzing the noise of the measured signals, the possibility of developing an intelligent stationary dynamograph is shown. This dynamograph must provide early diagnostics of the technical condition of the installation and meet the following criteria: low cost; ease of installation; high sensitivity, reliability, flexibility and accuracy. A block diagram of an intelligent intertraverse dynamograph of the mesdoza of a sucker-rod deep pumping unit, based on the mesdoza of a pocket dynamograph, is presented. The proposed intelligent intertraverse dynamograph will be useful for early diagnostics of the technical condition of downhole pumps and tubing pipes connecting them with ground equipment, which will ultimately help to improve the reliability of oil production equipment. The proposed intelligent intertraverse dynamograph can also be used in other areas of technology where there is a need to measure force.

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