Concentric adjustable water distributor

TL;DR: The concentric adjustable water distributor adopts the adjustable water nozzle, thus being characterized by simple and convenient operation without needing the throwing and fishing operations repeatedly, once-completed test and adjustment, saving time, labor and cost, having accurate adjustment, high success rate, unlimited layering grade and the like, and being widely applied in water injection technique in oil production as discussed by the authors.

Abstract: The utility model discloses a concentric adjustable water distributor which comprises an anti-rotating core, an upper connector, a center pipe, a valve device, a fixed water nozzle, a rotary core and a lower connector, wherein the upper end of the upper connector is connected with the anti-rotating core, and the lower end thereof is connected with the center pipe, the fixed water nozzle, a connecting sleeve and the rotary core in sequence; and the valve device and the lower connector are arranged outside the center pipe, the fixed water nozzle and the rotary core in sequence. The concentric adjustable water distributor adopts the adjustable water nozzle, thus being characterized by simple and convenient operation without needing the throwing and fishing operations repeatedly, once-completed test and adjustment, saving time, labor and cost, having accurate adjustment, high success rate, unlimited layering grade and the like, and being widely applied in water injection technique in oil production.