Effectiveness evaluation and field application of CO2-viscoelastic fluid synergistic flooding in low-permeability tight reservoirs

Effectiveness evaluation and field application of CO2-viscoelastic fluid synergistic flooding in low-permeability tight reservoirs

CO2 sweep efficiency and gas channeling are key factors restricting the effectiveness of CO2 flooding in low-permeability tight reservoirs. To address the technical issues of low sweep efficiency and gas susceptibility to channeling in CO2 flooding, a viscoelastic fluid system (CMS) was proposed to...

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Bibliographic Details
Main Author: TANG Ruijia, CHEN Longlong, XIE Xuqiang, ZHAO Cong, WANG Beilei, JIANG Shaojing
Format: Article
Language:zho
Published: Editorial Department of Petroleum Reservoir Evaluation and Development 2025-08-01
Series:Youqicang pingjia yu kaifa
Subjects:
|co2 flooding|viscoelastic fluid|low interfacial tension|low-permeability tight reservoir|synergy|plugging
Online Access:https://red.magtech.org.cn/fileup/2095-1426/PDF/1752896007734-943440886.pdf
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