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Meeting valve reliability challenges on SAGD projects

A major operator in Alberta was challenged with valve reliability issues relating to the process properties presented by the SAGD (steam assisted gravity drainage). Valves on SAGD processes face distinct challenges. Steam service requires valves with long lasting zero leakage to avoid trim damage from high velocities. Emulsion service requires valves that can withstand abrasive impurities. Poor valve choices result in long term reliability issues and higher maintenance costs. A technical review of valve designs was conducted by the EPC to determine the best design for each service.