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本文研制了有杆抽油泵井下示功图计算机诊断系统。能直接根据所测地面光杆的载荷和位移信号,计算及绘制井下示功图,并据此诊断整个抽油系统的工作状况。
In this paper, developed sucker rod pump underground dynamometer computer diagnostic system. Can directly calculate and draw the underground dynamometer according to the load and displacement signals of the measured polished rod, and diagnose the working condition of the whole pumping system accordingly.