However, there exist two unfavour factors, which are uneven steam injection profile and channeling, to affect the performance of steam soaking.

• 蒸汽吞吐和蒸汽驱是目前稠油开采的主要方法,吸汽剖面不均匀、汽窜是影响蒸汽驱开采稠油的主要问题。