It may become necessary to run wash pipe during a fishing situation. Wash-pipe is used as an extension of the rotary milling shoe in order to cover various lengths of fish. Most wash-pipe is approximately 30.50 to 32’ in length. The wash-pipe has protectors on both ends while on the box end a lifting sub is occasionally used to pick up pipe. Wash-pipe shorter than the above mentioned lengths are called extensions and will come in assorted lengths.