The utility model provides a control out device of oil pipe line water mixing volume, including the single current disk seat, the valve bonnet, the valve ball, the throttle water injection well choke, and a housing, the plug, the external screw thread of throttle water injection well choke and the female connection of shell left end, the external screw thread of plug and the female connection of shell right -hand member, an export is provided on the shell, a draw -in groove is provided on the throttle water injection well choke, the left end of throttle water injection well choke sets up the filtration orifice plate, there is the cavity between the mouth hole of filtration pore board and throttle water injection well choke, the outer end installation valve bonnet of throttle water injection well choke, place the valve ball in the valve bonnet, the single current disk seat is connected with the valve bonnet, the valve ball is sealed with the valve opening cooperation of single current disk seat, the inner wall of valve bonnet sets up righting device, righting device surrounds the valve ball, the filtration pore that crude oil can be followed on the filtration pore board flows through, debris are blocked by the filter, throttle water injection well choke will not is blockked up, the viscous crude well can long -term normal production, after the oil well stops production for some reason, the ground pipeline is blocked by the valve ball, the refluence takes place for the oil well will not, ground crude oil will not flows back to in the well, can avoid former oil loss, thereby can avoid economic loss.