Factors controlling the mechanical properties degradation and permeability of coal subjected to liquid nitrogen freeze-thaw

Abstract Freeze-thaw induced fracturing coal by liquid nitrogen (LN2) injection exerts a significant positive effect on the fracture permeability enhancement of the coal reservoir. To evaluate the different freeze-thaw variables which modify the mechanical properties of treated coals, the effects of...

Full description

Bibliographic Details
Main Authors: Lei Qin, Cheng Zhai, Shimin Liu, Jizhao Xu
Format: Article
Language:English
Published: Nature Portfolio 2017-06-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-017-04019-7