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页岩气纳米孔气体传输综述
吴克柳 1,2*,陈掌星 1,2
1 加拿大卡尔加里大学化学与石油工程系,阿尔伯塔 T2N1N4 2 中国石油大学(北京)石油工程学院 , 北京 102249
Review of gas transport in nanopores in shale gas reservoirs
WU Keliu, CHEN Zhangxing
1 Chemical and Petroleum Engineering, University of Calgary, Alberta T2N1N4, Canada 2 College of Petroleum Engineering, China University of Petroleum-Beijing, Beijing 102249

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摘要  页岩气纳米孔气体传输是页岩气数值模拟基础,对页岩气的高效经济开发具有重要意义。页岩气自生自储,富含纳米孔,这些特殊性造成页岩气纳米孔气体传输机理与模拟显著区别于常规油气藏。本文描述页岩气储集层特征;综述并评价页岩气纳米孔气体传输机理和传输模拟,建立了页岩气纳米孔体相气体传输机理判别参数组,并绘制了体相气体传输机理分类新图版;提出了当前页岩气纳米孔气体传输模拟遇到的挑战,并展望了未来需加强研究的关键科学问题。
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关键词 : 页岩气; 纳米孔; 传输机理; 模型; 模拟; 真实气体效应; 限域效应
Abstract

  Gas transport in nanopores is a fundamental issue for reservoir simulation, with important implications for economic development of shale gas reservoirs (SGRs). Gas transport in nanopores in SGRs is significantly different from that in conventional reservoirs due to the shales serving both as the source and gas reservoir rocks with abundant nanopores. In this review, we first describe the characteristics of shales, then review and assess gas transport mechanisms and simulation in nanopores in SGRs. A new method for transport mechanism classification of bulk gas in nanopores, is proposed on the basis of a set of discrimination parameters developed in this paper. Finally current challenges in modeling gas transport in nanopores and some key scientific issues to be further studied in future are outlined. Keywords shale gas reservoirs; nanopores; transport mechanism; model; simulation; real gas effect; confinement effect

Key words: shale gas reservoirs ; nanopores ; transport mechanism ; model ; simulation ; real gas effect ; confinement effect
收稿日期: 2018-05-30     
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吴克柳, 陈掌星. 页岩气纳米孔气体传输综述[J]. 石油科学通报, 2016, 1(1): 91-127. WU Keliu, CHEN Zhangxing. Review of gas transport in nanopores in shale gas reservoirs. 石油科学通报, 2016, 1(1): 91-127.
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