Sewage filtering device for oilfield development

The utility model discloses a sewage filtering device for oilfield development, which comprises a shell, a treatment pipeline is arranged in the shell, two ends of the treatment pipeline are respectively and fixedly connected to two inner side walls of the shell close to the upper ends, a motor is arranged at the center of the front side wall of the shell close to the upper end, and the output end of the motor penetrates through the front side wall of the shell. A processing pipeline is arranged in the shell, the end of the processing pipeline is fixedly connected with a rotating auger, the rear end of the rotating auger is rotatably connected to the rear inner side wall of the shell, a plurality of leaking holes are formed in the lower end face of the processing pipeline, sliding grooves are formed in the positions, close to the lower end, of the two inner side walls of the shell correspondingly, and a frame is slidably connected into the two sliding grooves; sliding blocks are arranged on the two side walls