One of the most feared phrases in the water well industry is “It’s stuck”.
Every day hundreds, maybe thousands, of submersible motors are removed from wells without incident. However, every once in a while something causes one to hang up or keeps it from being removed.
Some of the common causes are shale or rocks that fall from above the pump and motor. These rocks wedge between the pump or motor and the well casing. They don’t have to be very big, just wedged in the wrong place. Sometimes carefully moving the motor up and down will free the unit. Another common reason for hang-ups is when a safety cable or the drop wire comes loose from the top and coils itself around everything down below. This can happen if the wire is not properly supported. Again moving the motor up and down carefully might free the unit. Continue reading