Advance of Microemulsion and Application for Enhanced Oil Recovery

Author:

Leng Kaiqi123,Guan Baoshan123,Liu Weidong123,Jiang Chen123,Cong Sunan34,Peng Baoliang34,Tao Yufan123

Affiliation:

1. School of Engineering Sciences, University of Chinese Academy of Sciences, Beijing 100049, China

2. Institute of Porous Flow and Fluid Mechanics, Chinese Academy of Sciences, Langfang 065007, China

3. Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China

4. Key Laboratory of Nano Chemistry (KLNC), CNPC, Beijing 100083, China

Abstract

With the ongoing advancement in oil exploration, microemulsion, as an innovative oil displacement method, has garnered considerable attention owing to its exceptional physicochemical properties in enhancing crude oil recovery. As such, this study initially delineates the fundamental concepts, classifications, formation mechanisms, advantages, and preparation methodologies of microemulsions. Subsequently, it introduces the selection criteria for microemulsion components, followed by an elucidation of the characterization methods for microemulsions based on these criteria. Furthermore, it examines the factors influencing the efficacy of microemulsions in enhancing oil recovery through two distinct methods, along with the effects of various formulation microemulsions under laboratory and oilfield conditions. Additionally, it outlines prospects, challenges, and future development trends pertaining to microemulsions.

Funder

National Natural Science Foundation of China

Publisher

MDPI AG

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