Abstract: This paper introduces a highly efficient separator with high adaptability designed for Hade4oilfield in Xinjiang Autonomous Region.It has the advantages of rational structure,high utilization rate of inner space,supreme sep-arating effect and small amount of investment.After prima-ry treatment of water-containing crude oil with this separa-tor,water content is below1%and oil content in oily water below1000mg/L.The traditional technical process of crude treatment is simplified.