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Lyu, X. (author), Liu, Huiqing (author), Pang, Zhanxi (author), Sun, Zhixue (author)
Steam channeling, one serious problem in the process of steam flooding in heavy oil reservoir, decreases the sweep efficiency of steam to cause a lower oil recovery. Viscosity reducer and nitrogen foam, two effective methods to improve oil recovery with different mechanism, present a satisfactory result after steam flooding. In this article,...
journal article 2018