Multiphase sand separation system

摘要

A multiphase sand separation system comprising an expanded pipe for flow stabilisation, with an inlet for receiving multiphase material, a first outlet for gas and a second outlet for liquid and/or solids; and a cyclonic de-sander including an inlet for receiving material from the second outlet of the expanded pipe, a first outlet for liquid and a second outlet for solids; characterised in that a pressure controller valve is provided to maintain a pressure difference between the first outlet of the expanded pipe and the first outlet of the cyclonic de-sander, thereby ensuring that the differential pressure across the cyclonic de-sander is maintained at a fixed preset pressure drop, irrespective of the flow regime, flow and pressure surges and the flow rates, ensuring that it continuously and consistently operates at its highest sand removal efficiency value. WO 20 15/093935 PCT/MY2014/050016 C)M C) N (D 0 co //W-111111 W Ak C) X_