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分子模拟在非常规油气开发中的应用
Application of molecular simulation in unconventional oil and gas development
投稿时间:2021-01-18  修订日期:2021-02-27
DOI:
中文关键词:  非常规油气  微纳米力学  分子模拟  分子动力学  第一性原理计算  界面相互作用
英文关键词:unconventional oil and gas  micro/nano mechanics  molecular simulations  molecular dynamics  first-principles calculation  interfacial interactions
基金项目:国家重点研发计划(2019YFA0708700);国家自然科学基金(11922213)
作者单位邮编
洪祥宇 中国科学技术大学近代力学系 230027
徐亨宇 中国科学技术大学近代力学系 
崔风路 中国科学技术大学近代力学系 
余昊 中国科学技术大学近代力学系 
吴一宁 中国石油大学(华东)石油工程学院油田化学山东省重点实验室 
吴恒安 中国科学技术大学近代力学系 
王奉超 中国科学技术大学近代力学系 230027
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中文摘要:
      非常规油气资源储量丰富,具有广阔的开发前景。我国低渗/特低渗油藏以陆相沉积为主,储层特征差异性大,孔喉细小、孔隙度低、可动原油气大量储集于亚微米孔隙中,开采难度大,采收率低。岩油界面微观力学作用和限域传质力学机理是其中的关键科学问题。近年来,分子模拟技术在非常规油气开采的研究领域已经成为一种重要的研究手段。本文介绍了分子模拟的基本原理,然后给出了非常规油气藏储层流体和基质的组成及分子模型,并探讨了分子模拟在非常规油气开发中的应用及相关研究进展。
英文摘要:
      The unconventional oil and gas resources are abundant and have broad development prospects. The reservoirs in China with low-permeability/ultra-low-permeability are mainly continental deposit. Reservoir characteristics are quite different, with lots of narrow pore-throats and low porosity. A large amount of recoverable crude oil and gas is residual in sub-micron pores, which is technically difficult to produce, leading to a rather low recovery efficiency. The key scientific problems in this realm include the microscopic mechanical interactions of rock/oil interface and the underlying mechanism of confined molecular transport. In recent years, molecular simulation has become an important research tool in the field of unconventional oil and gas exploitation. This short review starts with an introduction to the principle of molecular simulations, then shows the molecular models of components of unconventional oil and gas reservoir, and discusses the applications of molecular simulation in unconventional oil and gas development and the related research progress.
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