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Kaipeng Zhu, Kai Li, Yadong Ji, Xiaolong Li, Xuan Liu, Kaide Liu and Xuandong Chen
The microscopic pore structure of sandstone determines its macroscopic permeability. Based on computer tomography (CT) technology, CT scans were performed on three different types of sandstone pore structures, namely coarse sandstone, medium sandstone, a...
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Yalin Nan, Ya-Ni Wei, Kui Liu and Yanbo Cao
The micro pores in loess show regional variation in structure on the Loess Plateau and greatly influence the physical properties and macro behaviors of loess. In this study, the 3D microstructures of Malan loess from Lanzhou (LZ), Qingyang (QY), Hengshan...
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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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Haifeng Liu, Chenghao Ma and Changqi Zhu
The pore-throat network of rock exerts a vital influence on the permeability and mechanical properties of the rock. Resorting to X-ray micro-CT scanning, the present work investigates the pore-throat structure of marine biogenic carbonate samples from th...
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Bingtao Hu, Zhaolin Gu, Chenxing Zhou, Le Wang, Chuanqing Huang and Junwei Su
Water flooding technology is widely used to improve oil recovery efficiency in oilfields. The capillary barrier effect induced by the complex pore structures in the reservoir rocks is a crucial reason for the trapping of a great deal of residual oil in o...
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Sheng Wu, Yongchun Tang, Mian Lin and Andrew Sneddon
Cuttings/cores? Headspace Isotope and Composition Analysis (HICA) provides an effective way to calculate the nano pore throat size and distributions much like nitrogen and CO2 adsorption BET/BJH analysis, and it could also provide information about the o...
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Guangfeng Liu, Zhaoqi Fan, Yang Lu, Siying Li, Bo Feng, Yu Xia and Qimeng Zhao
In this paper, the gas relative permeability considering slippage effect has been experimentally examined under various experimental conditions (i.e., ambient, high confining pressure, and high temperature). Experimentally, Klinkenberg permeabilities of ...
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