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Static and dynamic mechanical responses of organic shales under combined temperature and confining pressure conditions [PDF]
Frontiers in Earth ScienceIntroductionRocks are subjected to pressure and temperature underground. In situ mechanical properties of organic shales are of principal importance in unconventional reservoir exploration and production, CO2 sequestration, and geothermal energy ...
Laidong Hu +4 more
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Fractal and FractionalThe experimental study of shale fracture development is very important. As a channel of permeability, a fracture has a great influence on the development of shale gas.
Jinxuan Han +8 more
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Scientific ReportsIn order to analyze the acoustic emission (AE) characteristics and mechanical properties of muddy shale under different stress conditions, uniaxial and conventional triaxial compression tests and AE tests were carried out through the MTS815 electro ...
Wenjie Wu +5 more
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工程科学学报To clarify the mechanical destabilization and fracturing characteristics of deep limestone subjected to high-confining-pressure unloading, a series of triaxial tests with synchronous acoustic-emission (AE) monitoring was performed on standard limestone ...
Chaoqun CHU +4 more
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Experimental Study on Radial Cementation Strength of the First Cementing Interface in HTHP Wells
Shiyou jixie, 2021 In view of the stress status of cement ring in high-temperature and high-temperature(HTHP)wells, a set of full-size HTHP cement ring sealing integrity evaluation test equipment was developed. The influence of confining pressure and casing pressure on the
Huang Peng +4 more
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矿业科学学报To investigate the actual dynamic fracture process and energy dissipation mechanisms of coal under triaxial loading conditions, a visual experimental study was conducted using a self-developed multi-field coupled Split Hopkinson Pressure Bar (SHPB ...
WANG Kai +3 more
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Study on Acoustic Emission of Rock Salt under Triaxial Compression
工程科学与技术, 2016 :To study the effect of confining pressure on acoustic emission characteristics of rock salt in the process of loading, a series of triaxial compression tests were carried out on MTS815 Flex Test GT rock mechanics test system and PCI-2 acoustic emission ...
zhuoyue, liujianfeng
doaj
GeotechnicsThe mechanical properties of moraine soil in cold regions are significantly influenced by freeze–thaw cycles (FTCs). However, current understanding of the quantitative characteristics of its shear behavior under the coupled effect of FTCs and confining ...
Yuanyong Zeng, Xiewen Hu
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Study on Mechanical Characteristics Failure Mechanics Model on Limestone
工程科学与技术, 2016 : To study the influence of confining pressure for mechanical properties and failure mechanics model on limestone, triaxial compression tests of intact limestone samples are carried out by MTS815.Based on the macroscopic failure forms, the tension and ...
liudefeng, Liu Changwu
doaj
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