Feasibility Study of Applying Modified Nano-SiO2 Hyperbranched Copolymers for Enhanced Oil Recovery in Low-Mid Permeability Reservoirs

Article, Other literature type English OPEN
Nanjun Lai; Lei Tang; Na Jia; Dongyu Qiao; Jianlin Chen; Yong Wang; Xubin Zhao;

To improve oil recovery significantly in low-mid permeability reservoirs, a novel modified nano-SiO<sub>2</sub> hyperbranched copolymer (HPBS), consisting of polyacrylamide as hydrophilic branched chains and modified nano-SiO<sub>2</sub> as the core, was synthesized via... View more
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