Phase Behaviour and Mass Transfer of Solvent(s)-CO2-Heavy Oil Systems under Reservoir Conditions
时间：2014年5月13日（星期二）上午10: 00
地点：中油大厦316会议室
讲座人：Daoyong Yang
主持人：程林松
主要内容：
Experimental and theoretical techniques have been developed to accurately determine phase behaviour and mass transfer of solvent(s)-CO2-heavy oil systems at high pressures and elevated temperatures. In addition to a new alpha function, theoretical models have been developed for accurately predicting binary interaction parameter (BIP), equilibrium interfacial tension, saturation pressure and solubility, minimum miscibility pressure, and multiphase boundaries, respectively. A novel methodology has been proposed to determine diffusion coefficient for a gas mixture in heavy oil as well as for each individual component of the gas mixture in a non-volatile liquid. Also, a generalized methodology has been devised to couple heat and mass transfer of a gas-heavy oil system and a gas mixture-heavy oil system at high pressures and elevated temperatures, respectively.
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