Ning Li
8 Papers
Ning Li is an academic researcher. The author has contributed to research in topics: Geology & Fracture (geology). The author has an hindex of 1, co-authored 1 publications.
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Papers
A fully coupled thermo-hydro-mechanical model for fractured rock masses in cold regions
TL;DR: In this article , the authors established the governing equations for THM coupling of fractured rock masses at low temperatures, including the mechanical equilibrium equation, continuity equation and energy conservation equation, which can also be degenerated to equations for rock masses without fractures.
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Characteristics of fractures stimulated by supercritical carbon dioxide fracturing in shale based on acoustic emission monitoring
TL;DR: In this article , the authors used supercritical carbon dioxide (SC-CO 2 ) as a new type of fracturing tool to overcome the drawback of traditional water-based fluids and showed that the existence of bedding structures in shale could constrain the propagation of fractures, thus leading to a smaller volume of fracture network and limiting the complexity of the generated fractures.
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Investigation into shale softening induced by water/CO2-rock interaction
TL;DR: In this paper , a series of scanning electron microscope (SEM) observation and nanoindentation tests were performed on carbonate-rich shale specimens after high-temperature and high-pressure static soaking treatments.
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Micro-mechanical properties of shale due to water/supercritical carbon dioxide-rock interaction
TL;DR: High-temperature and high-pressure experiments reveal that water/supercritical CO2-rock interaction damages shale by inducing fractures, decreasing elastic modulus and hardness, and causing compaction and stress-induced tensile fractures, with supercritical CO2 being a more effective fracturing fluid.
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