Coalbed methane (CBM) drilling and completion technologies (DCTs) are significant basis
for achieving efficient CBM exploration and exploitation. Characteristics of CBM reservoirs …

Conventional adsorbents and catalysts shaped by granulation or extrusion have high
pressure drop and poor flexibility for chemical, energy, and environmental processes. Direct …

In response to the growing demand for CO 2 mitigation and unconventional natural gas, the
oil and gas industry is researching for the viability to enhance shale gas recovery (ESGR) …

Ultrasonic physical stimulation is a promising approach of coalbed methane enhancement
recovery. This study is devoted to quantitatively characterizing the damage of multi-scale …

In-situ coal seam is generally under the stress constraint condition. However, the powder
coal is often adopted to study gas diffusion dynamics in the laboratory, in this case, the …

Deformed coal provides favorable conditions for the occurrence of gas outburst disasters.
The existing gas diffusion model cannot accurately calculate the lost gas amount during the …

The water-based fracturing stimulation is commonly used for low permeability coalbed
methane (CBM) reservoirs. The influence of various fracturing fluids on the gas sorption and …

Uncontrolled and excessive gas emission may affect normal production and even result in
serious disasters such as gas explosion and coal and gas outburst. To find out the essence …

The diffusion coefficient is one of the key parameters to control gas desorption and transport
kinetics in coal with pressure evolution. Accurate estimation of diffusion coefficient of coal is …

The transport of CO 2–CH 4 mixture in coal nanopores is crucial to CO 2-enhanced coalbed
(CO 2-ECBM) recovery, but is highly challenging on adsorption-diffusion dominated …