Supercritical carbon dioxide (SC–CO 2) is a promising fracturing fluid with unique
properties, making it well-suited for unconventional reservoir stimulation. Laboratory …

Coal fines can substantially influence coal seam gas reservoir permeability, thus impeding
the flow of gas in coal microstructure. The coal fines generation and migration are influenced …

This study explored the potential of liquid nitrogen fracturing in three different coal ranks. X-
ray computed tomography results in micro-(μ-CT) and macro (medical-CT) scales revealed a …

Four different cryo-fracturing liquid nitrogen (LN 2) treatment processes are compared for
stimulation of coal. Namely, peak compression strength, acoustic emission, and energy …

This study investigated the potential of liquid nitrogen (LN 2) freeze–thaw process in coal
fracturing, focusing on the effect of different freezing cycles. μ-Computed Tomography (μ-CT) …

Tight gas sandstone production faces enormous challenges from marginal matrix porosity
and permeability in rock formations. In this regard, the liquid nitrogen (LN2) treatment …

Effective coating of nanoparticles on the proppant pack has been regarded as a promising
technique for enhancing proppant functions to achieve multiple objectives. In this work, a …

The exploitation of natural gas and oil in the low-permeability reservoir is a severe challenge
in the field of deep underground energy extraction. Therefore, a thorough understanding of …

Hypothesis: Zeta-potential in the presence of brine has been studied for its application within
hydrocarbon reservoirs. These studies have shown that sandstone's zeta-potential remains …

To better understand the effect of the pore-fracture dual-porosity structure on the coal
permeability, the methods for calculating the pore size distribution as well as the fracture …