Gas extraction of coal seam roof fractured zone in China: A review

C Xu, T Yang, K Wang, Q Fu, S Ma - Fuel, 2024 - Elsevier
Coalbed methane (CBM) is both a low-carbon and clean energy source, which can
effectively alleviate the current shortage of natural gas supply and demand. Moreover, it is …

Directional distance prediction model of slotting–directional hydraulic fracturing (SDHF) for coalbed methane (CBM) extraction

Z Ge, J Zhong, Y Lu, L Cheng, J Zheng, Z Zhou… - Journal of Petroleum …, 2019 - Elsevier
Slotting–directional hydraulic fracturing (SDHF) is a promising technology for extracting
CBM, because it can achieve directional propagation of fractures, and solve the problem of …

Size distribution and fractal characteristics of coal pores through nuclear magnetic resonance cryoporometry

T Yin, D Liu, Y Cai, Y Zhou, Y Yao - Energy & Fuels, 2017 - ACS Publications
Characterization of the coal pore structure plays a critical role in the adsorption and flow of
coalbed methane (CBM) during CBM exploitation. The accuracy of conventional techniques …

Surface crack and sand inrush disaster induced by high-strength mining: example from the Shendong coal field, China

W Yan, H Dai, J Chen - Geosciences Journal, 2018 - Springer
Sand inrush disaster and ground destruction induced by high-strength mining in the
Shendong coal field seriously threaten the normal operation of the mine and cause …

Experiences of gripper TBM application in shaft coal mine: A case study in Zhangji coal mine, China

B Tang, H Cheng, Y Tang, Z Yao, C Rong… - … and Underground Space …, 2018 - Elsevier
TBMs had been introduced to coal mining industries for decades. However, the applications
of TBM in coal mines which have vertical shafts as their main accesses were barely …

Effects of Fe-rich acid mine drainage on percolation features and pore structure in carbonate rocks

X Zhang, J Guo, Q Hu, X Gao, C Li, M Luo, Y Wang - Journal of Hydrology, 2020 - Elsevier
Acid mine drainage (AMD) poses significant ecological, environmental and geological
challenges worldwide, especially in more vulnerable karst areas. However, the impact of …

Improvement of intensive in-seam gas drainage technology at Kirova Mine in Kuznetsk Coal Basin

S Slastunov, K Kolikov, A Batugin, A Sadov, A Khautiev - Energies, 2022 - mdpi.com
One of the ways to resolve the “green energy-economic development” dilemma, in which the
coal industry is situated, is by the improvement of technologies and the integrated use of …

Effect of coal rank on various fluid saturations creating mechanical property alterations using Australian coals

MSA Perera, AS Ranathunga, PG Ranjith - Energies, 2016 - mdpi.com
During CO2 sequestration in deep coal seams, the coal mass may be subjected to various
fluid (CO2, N2, etc.) saturations. Therefore, in order to maintain the long-term integrity of the …

Methane adsorption constrained by pore structure in high‐rank coals using FESEM, CO2 adsorption, and NMRC techniques

T Yin, D Liu, Y Cai, Y Zhou - Energy Science & Engineering, 2019 - Wiley Online Library
To evaluate the impacts of nanopores of high‐rank coals on coalbed methane adsorption
and storage, 12 anthracite and semianthracite coal samples from Yangquan and Shouyang …

Geological Characteristics of Low-Yield and Low-Efficiency CBM Wells and Practical Measures for Production Increase in the Qinshui Basin

Z Zhang, J Ren, Y Zhao, M Wang, J Yang, C Zhang - ACS omega, 2023 - ACS Publications
Many low-production and low-efficiency wells in the Zhengzhuang, Fanzhuang, Lu'an, and
Yangquan blocks of the Qinshui Basin seriously hinder the development of coalbed …