Development and application on plug removal equipment of directional well by rotatory jetting

It is frequently occur that the nearby formation is plugged during daily production in directional heavy oil well.Especially,during downhole handling process,sand control central pipe can be buried by sand.Common downhole handling processes,such as acid jobs,control pipe or central pipe sand control,meet these problems.Downhole plug removal equipment of directional well by rotatory jetting is researched.Through analysis of plug removal mechanism using the technique of high-pressure jetting,we design the structural parameter of this equipment.The application of this equipment in oil field proves that it is practical.