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Fengjuan Dong, Zeyong Sun, Zhanwu Gao, Xuefei Lu, Yue Chen, Hai Huang and Dazhong Ren
Nanoscale pore-throat systems are widely developed in the pore-throat of tight reservoirs. The pore-throat structures of different microscales are complex and diverse with obvious microscale effects. Taking the Chang 63 tight sandstone reservoir of the H...
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This paper proves the soundness of supercritical CO2 displacement for enhancing gas recovery of a tight gas reservoir via laboratory investigations and compositional modeling. First, a novel phase behavior experimental device with a screened s...
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Jinliang Zhang, Longlong Liu and Ruoshan Wang
In this study, three-dimensional (3-D) geostatistical models were constructed to quantify distributions of sandstone and mudstone. We propose a new method that employs weight coefficients to balance the sandstone and mudstone data from irregular well pat...
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Chen Chen, Lin Yang, Rui Jia, Youhong Sun, Wei Guo, Yong Chen and Xitong Li
Natural gas hydrate (NGH) concentrations hold large reserves of relatively pure unconventional natural gases, consisting mainly of methane. Depressurization is emerging as the optimum conversion technology for converting NGH in its reservoir to its const...
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