Abstract: To overcome the shortcomings of current oil production industry, in which monitoring of beam-pumping units at night consumes a lot of human resources and material resources, this paper uses solar energy as the  energy source, single-chip microcomputer STC12C5A60S2 as the intelligent core module to design an oil pumping units monitoring system. It is used for real-time monitoring of the oil pumping unit at night working state. The system not only realizes the remote monitoring of the oil pumping unit, but also saves energy and protects environment. It is small, portable, low cost, and is conducive to large-scale use of oilfield surface mining.
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Key words: oil pumping units, single-chip microcomputer, solar energy, monitoring system