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DOI:	10.1371/journal.pone.0152066
论文题名:	Numerical Simulation of CO2 Flooding of Coalbed Methane Considering the Fluid-Solid Coupling Effect
作者:	Jianjun Liu; Guang Li; Yue Zhang
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2016
发表日期:	2016-3-31
卷:	11, 期:3
语种:	英语
英文关键词:	Permeability ; Deformation ; Coal ; Flooding ; Adsorption ; Methane ; Porosity ; Vascular permeability
英文摘要:	CO2 flooding of coalbed methane (CO2-ECBM) not only stores CO2 underground and reduces greenhouse gas emissions but also enhances the gas production ratio. This coupled process involves multi-phase fluid flow and coal-rock deformation, as well as processes such as competitive gas adsorption and diffusion from the coal matrix into fractures. A dual-porosity medium that consists of a matrix and fractures was built to simulate the flooding process, and a mathematical model was used to consider the competitive adsorption, diffusion and seepage processes and the interaction between flow and deformation. Due to the effects of the initial pressure and the differences in pressure variation during the production process, permeability changes caused by matrix shrinkage were spatially variable in the reservoir. The maximum value of permeability appeared near the production well, and the degree of rebound decreased with increasing distance from the production well.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0152066&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/23719
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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File Name/ File Size	Content Type	Version	Access	License
journal.pone.0152066.PDF（3107KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

School of Geoscience and Technology, Southwest Petroleum University, Chengdu, China;State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, China;School of Geoscience and Technology, Southwest Petroleum University, Chengdu, China;State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, China;Jidong Oilfield Company, PetroChina, Tangshan, Hebei, China

Recommended Citation:

Jianjun Liu,Guang Li,Yue Zhang. Numerical Simulation of CO2 Flooding of Coalbed Methane Considering the Fluid-Solid Coupling Effect[J]. PLOS ONE,2016-01-01,11(3)

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