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Yan Gong, Xinghua Xie and Jingkai Liu
As a new type of unconventional natural gas resource, shale gas plays a vital role in energy supply. In order to deeply understand the shale fracture seepage characteristics, filled and unfilled fracture seepage tests were carried out on shale samples wi...
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Chunlin Zhong, Kangsheng Xue, Yakun Wang, Peng Luo and Xiaobo Liu
Understanding the fluid pattern is of special significance for estimating the hydraulic conductivity of fractured rock masses. The nonlinearity of fluid flow in discrete fracture networks (DFNs) originates from inertial effects and is enhanced by complex...
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De Nyago Tafen, Barbara Kutchko and Mehrdad Massoudi
Cement fractures represent preferential leakage pathways in abandoned wells upon exposure to a CO2-rich fluid. Understanding fracture alteration resulting from geochemical reactions is critical for assessing well integrity in CO2 storage. This paper desc...
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Shanshan Hou, Yugui Yang, Yong Chen, Dawei Lei and Chengzheng Cai
The existence of fracture flow has an undesirable effect on the creation of the frozen wall. Brine and liquid nitrogen combined freezing technology can ensure the safety of freezing engineering, reduce the construction period and save cost. Considering t...
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Sascha Frank, Thomas Heinze, Mona Ribbers and Stefan Wohnlich
Flow and transport processes in fractured systems are not yet fully understood, and it is challenging to determine the respective parameters experimentally. Studies on 10 samples of 2 different sandstones were used to evaluate the reproducibility of trac...
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Guangxuan Zhu, Qingsong Zhang, Xin Lin, Rentai Liu, Lianzhen Zhang and Jianwei Zhang
The diffusion and sealing mechanisms of cement-sodium silicate grout (C-S grout), which is widely used in flowing water sealing projects, are complicated. Based on a large-scale quasi-three-dimensional simulation test platform of fracture dynamic water g...
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Yingtao Hu, Wenjie Xu, Liangtong Zhan, Zuyang Ye and Yunmin Chen
The influence of contact area, caused by normal deformation, on fluid flow and solute transport through three-dimensional (3D) rock fractures is investigated. Fracture surfaces with different Hurst exponents (H) were generated numerically using the modif...
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Alexander Butorin,Fedor Krasnov
Pág. 7 - 16
The study considers the actual issue of improving the accuracy of mapping in fracturing using microseismic monitoring. The given question is first of all in connection with increasing volume of hydraulic fracturing at the development of modern hydrocarbo...
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Yann Le Gallo and José Carlos De Dios
Investigation into geological storage of CO2 is underway at Hontomín (Spain). The storage reservoir is a deep saline aquifer formed by naturally fractured carbonates with low matrix permeability. Understanding the processes that are involved in CO...
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Yong-Wook Jeong and Woochang Jeong
The aim of this study is to numerically analyze spatial behaviors of solute particle transport in a single fracture with spatially correlated variable apertures under application of effective normal stress conditions. The numerical results show that solu...
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