2021
DOI: 10.1002/ese3.930
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A liquid‐solid model to optimize the application of friction reducers for hydraulic fracturing/cutting in the underground coal mine

Abstract: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Cited by 6 publications
(3 citation statements)
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“…With the increase in coal mining intensity and the rapid growth of mining depth, the problems of gas outbursts are becoming more serious [1][2][3]. Terefore, the predraining boreholes are required to prevent gas outbursts [4][5][6]. Directional drilling technology (DDT) has the advantages of a controllable track, a long efective extraction distance, multiple branch holes, and a large concentrated extraction area, as well as the advantages of a lower drilling construction cost and high-efciency gas extraction [7].…”
Section: Introductionmentioning
confidence: 99%
“…With the increase in coal mining intensity and the rapid growth of mining depth, the problems of gas outbursts are becoming more serious [1][2][3]. Terefore, the predraining boreholes are required to prevent gas outbursts [4][5][6]. Directional drilling technology (DDT) has the advantages of a controllable track, a long efective extraction distance, multiple branch holes, and a large concentrated extraction area, as well as the advantages of a lower drilling construction cost and high-efciency gas extraction [7].…”
Section: Introductionmentioning
confidence: 99%
“…Previous studies have made remarkable achievements in stimulation technologies for gas extraction. The prominent technologies include deep hole presplitting and blasting, 4 hydraulic punching, 5 cavitation and fracture-adding, 6 hydraulic fracturing, hydraulic cutting, 7 physicochemical method, 8 gas injection displacement, 9 heat injection, 10 and physical field excitation. 11 Due to the limitation of technology and the difference in coal seam conditions, these technologies still have some defects and cannot be popularized comprehensively.…”
Section: Introductionmentioning
confidence: 99%
“…Numerical simulation often simplifies the actual situation. At present, the commonly used numerical simulation methods for proppant migration are divided into E-L (Eulerian-Lagrangian) method (Akhshik et al, 2015;Wang et al, 2019) and E-E (Eulerian-Eulerian) method (Xiong et al, 2021). The E-L method regards fluid as the continuous phase and solid particles as a discrete phase for modeling and calculation.…”
Section: Introductionmentioning
confidence: 99%