Petroleum drilling visual control device

The utility model relates to the technical field of oil exploitation drilling, in particular to an oil drilling visual control device which comprises a rotary outer cylinder and a rotary drill bit, and the outer side of the upper portion of the front end of the rotary outer cylinder is sequentially and fixedly connected with a first shell, a camera and a controller from left to right. An air cylinder is fixedly connected to the right end of the left end face of the inner side of the first shell, a piston rod is slidably connected to the inner side of the air cylinder, a push rod is fixedly connected to the outer side of the piston rod, a cleaning brush is fixedly connected to the right side of the bottom end of the push rod, and the push rod and the cleaning brush are both slidably connected with the first shell. Through the arrangement of the rotary outer barrel, the rotary drill bit, the first shell, the camera, the controller, the air cylinder, the piston rod, the push rod and the cleaning brush, in the oi