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Journal of Porous Media
インパクトファクター: 1.49 5年インパクトファクター: 1.159 SJR: 0.43 SNIP: 0.671 CiteScore™: 1.58

ISSN 印刷: 1091-028X
ISSN オンライン: 1934-0508

巻:
巻 23, 2020 巻 22, 2019 巻 21, 2018 巻 20, 2017 巻 19, 2016 巻 18, 2015 巻 17, 2014 巻 16, 2013 巻 15, 2012 巻 14, 2011 巻 13, 2010 巻 12, 2009 巻 11, 2008 巻 10, 2007 巻 9, 2006 巻 8, 2005 巻 7, 2004 巻 6, 2003 巻 5, 2002 巻 4, 2001 巻 3, 2000 巻 2, 1999 巻 1, 1998

Journal of Porous Media

DOI: 10.1615/JPorMedia.2015012151
pages 1119-1126

PRESSURE DISTRIBUTION MEASUREMENTS FOR CO2 FOAM FLOW IN POROUS MEDIA

Dongxing Du
College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China; Qingdao Municipal Key Laboratory on Geological & Exploration Engineering Technology for Enhanced Shale Oil & Gas Recovery, Qingdao
Shengbin Sun
College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China; Qingdao Municipal Key Laboratory on Geological & Exploration Engineering Technology for Enhanced Shale Oil & Gas Recovery, Qingdao
Na Zhang
College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China; Qingdao Municipal Key Laboratory on Geological & Exploration Engineering Technology for Enhanced Shale Oil & Gas Recovery, Qingdao
Weifeng Lv
Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China; State Key Laboratory of Enhanced Oil Recovery, Research Institute of Petroleum Exploration and Development, CNPC, Beijing, China
Dexi Wang
College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China; Qingdao Municipal Key Laboratory on Geological & Exploration Engineering Technology for Enhanced Shale Oil & Gas Recovery, Qingdao
Yingge Li
College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China; College of Automation and Electronic Engineering, Qingdao University of Science and Technology, Qingdao 266042, China

要約

CO2 foam technology has found wide application in enhanced oil recovery and carbon dioxide geological storage. To predict its flow behavior in underground reservoirs, pressure distributions for CO2 foam flow in porous media were measured by setting pressure transducers along the samples cores. In the meantime, the transient propagation process was visualized and the water saturation variation histories were obtained with the help of computed tomography (CT) technology. As a comparative study, N2 foam flow resistance characteristics were also investigated in this paper. It is found that CO2 foam has nonlinear pressure distribution in porous media, with lower-pressure drop in the inlet region while a steeper pressure gradient in the region close to the sample outlet, while N2 foam gives a much higher pressure drop compared to CO2 foam and the pressure distribution stays almost linear along the porous media. CT measurement results clearly show pistonlike propagation behavior and indicate an obvious entrance effect for CO2 foam flooding due to the high water saturation in the inlet region of the porous media.


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