One of the most critical issues that facing oil and gas industry is the formation of black powder. It is responsible for significant damage to the process components including pipeline networks.Black powder is formed by the reaction of water, carbon dioxide and sulfur containing compounds with steel.The typical composition of black powder is iron oxides which rapidly occlude fluid transport channels is left unchecked.So we use Feasible techniques to reduce the effects of black powder in oil and gas processes. in upstreams we can always remove black powder with a closed device and make mid segregation for solids without opening lines and without dealing with gas directly.