[Society of Petroleum Engineers SPE Russian Petroleum Technology Conference - Moscow, Russia (2017-10-16)] SPE Russian Petroleum Technology Conference - Experimental Research of Simultaneous Water and Gas Injection Technology into Injection Wells using Mixing Devices (Russian)Sergeev, E.; Vinogradov, P.; Abutalipov, U.; Ivanov, A.; Kitabov, A.; Esipov, P.