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Special Topics & Reviews in Porous Media: An International Journal
ESCI SJR: 0.277 SNIP: 0.52 CiteScore™: 1.3

ISSN Druckformat: 2151-4798
ISSN Online: 2151-562X

Special Topics & Reviews in Porous Media: An International Journal

DOI: 10.1615/SpecialTopicsRevPorousMedia.2016017135
pages 365-372

EXPERIMENTS AND NUMERICAL MODEL OF OIL−CHEMICAL AGENT TWO-PHASE FLOW WITH THERMAL STABILITY EFFECT AT HIGH TEMPERATURE

Jianhui Li
School of Civil and Environmental Engineering, University of Science and Technology, Beijing, China
Hongqing Song
College of Petroleum Engineering, Xi'an Shiyou University, Xi'an, China; School of Civil and Environmental Engineering, University of Science and Technology Beijing, China
Wei-yao Zhu
School of Civil and Environmental Engineering, University of Science and Technology Beijing 100083, Beijing, China
Wei Meng
Institute of Geological Sciences, China Sinopec Shengli Oilfield Company, Dongying, China

ABSTRAKT

There has been much research done concerning the thermal stability of chemical agents for crude oil exploitation; however, it is not very clear whether chemical agent thermal decomposition has a great influence on oil recovery at high temperatures. In this study, crude oil displacement experiments of cores using chemical agents with good thermal stability were conducted. A fitted equation between the chemical agent concentration efficiency and the temperature was obtained. A numerical model describing the experiment and chemical agent concentration efficiency was established. The simulation results showed good agreement with the experiment data. Under the condition of constant temperature, the flow of a chemical agent with better thermal stability can result in higher amounts of oil recovery. An optimum temperature exists that will produce the highest level of crude oil recovery with chemical agent displacement flow.


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