Research Progress of Nanoscale Polymer Microspheres for Deep Profile Control and Flooding

Abstract The efficient extraction of crude oil is an important foundation for the country's sustainable development, and how to enhance oil recovery is an urgent problem to be solved. As a new type of deep profile control agent, nanoscale polymer microspheres have achieved significant application effects in the oilfields. The effect of enhancing waterflood recovery is obvious, which effectively supports the stable production of oilfields. Based on the review of the development process and preparation methods of nanoscale polymer microspheres, this paper introduces the current research situation of the mechanism of deep profile control of nanoscale polymer microspheres, and points out that it is urgent to establish a set of experiment methods and mathematical models that can reveal the microscopic mechanism of nanoscale polymer microspheres from the aspects of improving sweep efficiency and oil washing efficiency, systematically explain the microscopic oil displacement mechanism of nanoscale polymer microspheres. This is of great significance to elucidate the micro-mechanism of nanoscale polymer microspheres improving oil recovery and guide the development and application of new nanoscale displacement materials.

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	Articles by authors
	Li Xiang
	Qu Jin
	Ju Ye
	Tang Zhongli
	Wang Shuo
	Qi Peiyao
	Liu Fenggang
	Liu Xiaofei

Keywords： nanoscale polymer microspheres； oil displacement； sweep efficiency

Received 2020-06-22;

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Cite this article:

Li Xiang, Qu Jin, Ju Ye, Tang Zhongli, Wang Shuo, Qi Peiyao, Liu Fenggang, Liu Xiaofei.Research Progress of Nanoscale Polymer Microspheres for Deep Profile Control and Flooding[J] Chemcial Industry and Engineering, 2021,V38(2): 48-54

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