Method of and a pump for pumping drill cuttings

摘要

Drill cuttings are pumped from a hopper 14 having a swing tube 36, communicating with a discharge port 30 and alternately with the cylinders of a double cylinder pump. Sealing is achieved with a pressure gap between a wear ring and the swing tube and a pressure ring in the end of the wear ring. The cylinders of stainless steel work hardens during operation. An agitator is provided within the hopper, which have an inclined surface to direct drill cuttings toward the pumping cylinders.