Xanthan gum in aqueous solutions: Fundamentals and applications

EM Nsengiyumva, P Alexandridis - International Journal of Biological …, 2022 - Elsevier
Xanthan gum is a naturally occurring polysaccharide obtained from Xanthomonas
campestris. The xanthan gum backbone consists of β-d-glucose linked like in cellulose. The …

Fluid–solid coupling characteristics of gas-bearing coal subjected to hydraulic slotting: An experimental investigation

Q Zou, B Lin - Energy & Fuels, 2018 - ACS Publications
Chinese coal seams are characterized by high gas content and low permeability. The
permeability of coal seams should be improved to achieve maximum extraction of coalbed …

Coupled thermal–hydraulic–mechanical model for an enhanced geothermal system and numerical analysis of its heat mining performance

L Zhou, Z Zhu, X Xie, Y Hu - Renewable Energy, 2022 - Elsevier
The operation of an enhanced geothermal system (EGS) involves a complex thermal–
hydraulic–mechanical (THM) coupling process, which is important for exploiting the …

Coal seam gas extraction by integrated drillings and punchings from the floor roadway considering hydraulic‐mechanical coupling effect

C Fan, H Wen, S Li, G Bai, L Zhou - Geofluids, 2022 - Wiley Online Library
Owing to the exhaustion of shallow coal resources, deep mining has been occupied in coal
mines. Deep buried coal seams are featured by the great ground stress, high gas pressure …

A novel in-seam borehole hydraulic flushing gas extraction technology in the heading face: Enhanced permeability mechanism, gas flow characteristics, and …

H Zhang, Y Cheng, Q Liu, L Yuan, J Dong… - Journal of Natural Gas …, 2017 - Elsevier
The heading face in soft and low-permeability coal seams is one of the most high-risk areas
for Chinese coal and gas miners because of the number of outburst-related accidents. To …

Synergistic ECBM extraction technology and engineering application based on hydraulic flushing combing gas injection displacement in low permeability coal seams

Y Shi, B Lin, T Liu, Y Zhao, Z Hao - Fuel, 2022 - Elsevier
With a continuous increase in mining depth, high gassy coal seams with low permeability
increasingly appear. Although hydraulic flushing (HF) is an efficient technology applied …

A fully coupled electromagnetic-thermal-mechanical model for coalbed methane extraction with microwave heating

H Li, B Lin, W Yang, Y Hong, Z Wang - Journal of Natural Gas Science and …, 2017 - Elsevier
Realized by the conversion of the electromagnetic energy into thermal energy, microwave
heating can be a sound method to enhance coalbed methane (CBM) recovery. Although the …

Mechanical behaviour and permeability evolution of gas-containing coal from unloading confining pressure tests

Y Xue, PG Ranjith, F Gao, D Zhang, H Cheng… - Journal of Natural Gas …, 2017 - Elsevier
Underground coal mining usually develops vertical stresses and reduces the horizontal
stress in front of the coal face, which may trigger the occurrence of coal ruptures and gas …

Gas flow field evolution around hydraulic slotted borehole in anisotropic coal

Y Zhao, B Lin, T Liu, Q Li, J Kong - Journal of Natural Gas Science and …, 2018 - Elsevier
Currently, hydraulic slotted borehole technology for strengthening gas drainage is one of the
main measures to control gas disasters in deep mines. In this paper, to analyze the evolution …

Experimental and theoretical investigation for synthetic polymers, biopolymers and polymeric nanocomposites application in enhanced oil recovery operations

AN El-hoshoudy - Arabian Journal for Science and Engineering, 2022 - Springer
Enhanced oil recovery (EOR) acquires global interest in the petroleum industry. Several
technologies are implemented to retrieve the residual oil after conventional flooding …