A common method of deflecting wellbores is to use a downhole motor and a bent sub. The downhole motor has a very high quality . Downhole Motor.Screw drilling tool for air (foam) drilling purpose..... ProductK7LZ95*7.0K7LZ120*7.0K7LZ165*7.0K7LZ172*7.0K7LZ197*7.0K7LZ244*7.0External diameter(inch)3 3/44 3/46 1/26 3/47 3/49 5/8External diameter(mm)95120165172197244Flow rate(GPM)510102019382238.533. ...