Abstract
This chapter introduces a three-phase foam for profile control using DPG particles as the dispersed phase, with a discussion on the factors that affect the stability, the profile control capability, and the stabilization mechanism of foams, as well as the optimization of injection process parameters. The DPG particles three-phase foam system under different conditions including age time, temperature, ionic strength, and crude oil-based on a modified Ross–Miles approach are investigated. Also, the injection parameters, stability mechanism, profile control mechanism, and oil recovery ability were conducted through core flooding experiments. We also explore the results of pilot tests in the oilfield using this three-phase foam, in an attempt to pave the way for success in the profile control application.
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