8MILLER M J, KHILAR K, FOGLER H S. Aging of foamed gel used fon subsurface permeability reduction[J]. Journal of Colloici and Interface Science, 1995,175(1): 88-96.
9SHANG Zhi-guo, SU Guo, DONG Yu-jie. Research and application on the foamed gel as a selective shutoff agent[J]. Drilling and Production Technology, 2000,23(1) :70-71.
10SCHRAMM L L, KUTAY S M, MIKULA R J. The morphology of non-equilibrium foam and gelled foam lamellae in porous media[J]. Journal of Petroleum Science & Engineering, 1999,23(2) : 117-132.