Research results show that gas and water distribution and flow patterns in both pores and throats are mainly aerated water in lower drive pressure circumstances.

• 研究结果表明：在驱替压差不大的情况下，无论是孔隙还是喉道，气水分布及流动方式主要为水包气，水沿管壁流动，气体在孔道中央流动；