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High Stable Aqueous Foams as Improved Fracking Fluid for Unconventional Reservoirs
thesis
posted on 2023-05-26, 01:47 authored by JUN ZHOUDue to their relatively low water content and high viscosity, foamed fluids are regarded as a promising alternative to water-based fracking fluids. However, foams are thermodynamically unstable, and the poor long-term stability significantly impedes their subsurface applications, especially under the high temperature conditions. Consequently, the primary objective of this study is to develop a highly stable aqueous foam that can be used as a stimulation fluid, utilising various stabilisers such as surfactants, polymers, and nanoparticles.