Chemical Flooding and Miscible Flooding

  • Caili DaiEmail author
  • Fulin Zhao


Chemical flooding is an important tertiary oil recovery technology that can improve oil recovery by adding various chemicals in the injected water. Miscible flooding is an oil displacement method using miscible phase injectant as the displacing agent. In recent years, both chemical flooding and miscible flooding have developed rapidly. The key content and methods of the chemical flooding and miscible flooding are introduced in detail in this chapter. For chemical flooding, the chemical agents used in polymer flooding, surfactant flooding, alkaline flooding, and combination flooding are described. Meanwhile, the percolation characteristic and enhanced oil recovery mechanism of each displacement method are discussed. For miscible flooding, the frequently used miscible phase injectant is introduced. Finally, rough categories and their enhanced oil recovery mechanism of the miscible flooding are discussed.


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© Springer Nature Singapore Pte Ltd. and China University of Petroleum Press 2018

Authors and Affiliations

  1. 1.School of Petroleum EngineeringChina University of Petroleum (East China)QingdaoChina

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