Mechanical producing well working condition comprehensive diagnostic analysis method and device

The invention discloses a mechanical producing well working condition comprehensive diagnostic analysis method and device. The method includes the steps that an oil well inflow dynamic curve and a lifting pump characteristic curve are utilized to draw a mechanical producing well working condition comprehensive diagnostic diagram; the positions of single wells are determined in the mechanical producing well working condition comprehensive diagnostic diagram; if the single wells in the mechanical producing well working condition comprehensive diagnostic diagram are located at one of the following zones of a parameter too large or pump lowering too shallow zone, a breakage leakage oil pressure too large wax blocking zone and a casing pressure too large or data verification zone, corresponding identification is set for the single wells in the mechanical producing well working condition comprehensive diagnostic diagram according to the working conditions of the single wells, and the mechanical producing well working condition comprehensive diagnostic diagram comprises the following five zones of a working reasonable zone, the parameter too large or pump lowering too shallow zone, a parameter too small zone, the breakage leakage oil pressure too large wax blocking zone and the casing pressure too large or data verification zone. By the adoption of the method, the system working conditions of mechanical producing wells can be comprehensively, rapidly, accurately and visually evaluated.