mailto: In the petroleum extraction, oilwell paraffin removal technique has been one of the challenges all the time. Currently well cleanup with hot water is still the main method of the paraffin removal in use. But there are still many problems such as bulky equipments, complicated technology, high demanding conditions, and high cost. Moreover, the pollution of the oil layer caused by it severely influences the petroleum extraction. So the paraffin removal technique without hot water flushing process has become the task to be solved urgently. The mechanic AOPC is just the equipment developed by the patent inventor of our company, which can bring the paraffin removal technique without hot water flushing process into reality.