Summary

Research Progress and Development Trend of Heavy Oil Chemical Viscosity Reducing Agent

  • Zhang Yang ,
  • An Gaofeng ,
  • Jiang Qi ,
  • Wang Dingli ,
  • Mao Jincheng ,
  • Jiang Guanchen
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  • 1. Southwest Petroleum University, Chengdu, Sichuan 610500, China;
    2. CNPC Chuanqing Drilling & Exploration Engineering Company, Chengdu, Sichuan 610051, China;
    3. Chengdu Junchen Xinhuan Energy Technology Co., Ltd., Chengdu, Sichuan 610031, China

Received date: 2023-06-20

  Revised date: 2023-12-13

  Online published: 2024-04-18

Abstract

In the dual-carbon context, how to economically, efficiently, and greenly enhance the recovery of heavy oil reservoirs by heavy oil recovery technology based on thermal recovery is a key concern of researchers. The essence of realizing commercial development of heavy oil reservoirs is to reduce the viscosity and enhance the flow capacity of heavy oil. The article systematically analyzed the viscosity-inducing mechanism of heavy oil and the viscosity-reducing mechanism of various viscosity reducers, summarized the synthesis processes of emulsifying viscosity reducers, oil-soluble viscosity reducers, and nano viscosity reducers, and evaluated the advantages and shortcomings of different viscosity reducers. The advantages and shortcomings of different viscosity reducers were evaluated. The development trend of viscosity reducers was also discussed and prospected. Sorting out the existing chemical viscosity reducers could help develop new viscosity reducer systems and enhance the recovery of heavy oil reservoirs.

Cite this article

Zhang Yang , An Gaofeng , Jiang Qi , Wang Dingli , Mao Jincheng , Jiang Guanchen . Research Progress and Development Trend of Heavy Oil Chemical Viscosity Reducing Agent[J]. Special Oil & Gas Reservoirs, 2024 , 31(1) : 9 -19 . DOI: 10.3969/j.issn.1006-6535.2024.01.002

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