Abstract
The focus of this paper is an experimental study at room temperature and pressure of free drainage and proppant suspension of four types of designed foams: A, 0.1 wt% regular anionic surfactant mixture; B. Foam A + 0.8% SiO2 nanoparticle; C, Foam A + 0.36% carboxymethyl hydroxypropyl guar; and D. Foam A + 7% NaCl. The results show that SiO2 nanoparticles with surfactant significantly improve the foam stability. In addition, we concluded that better proppant suspension can be achieved by higher viscosity and higher foam stability.
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