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Volume 19
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10.3390/en19143309
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Article

Research on Optimization of Horizontal Well Fracturing Parameters Based on Numerical Simulation

by
Yutong Fu
1,†,
Congyu Zhong
2,†,
Jingjing Liu
1,*,
Ruosi Zhao
1,
Jishi Geng
3,
Jinting Xiong
1,
Chao Yang
1 and
Luyi Wang
1
1
Sanya Institute of South China Sea Geology, Guangzhou Marine Geological Survey, China Geological Survey, Sanya 572024, China
2
Institute of Experimental Testing, Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou 510075, China
3
College of Geology and Environment, Xi’an University of Science and Technology, Xi’an 710000, China
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Energies 2026, 19(14), 3309; https://doi.org/10.3390/en19143309
Submission received: 20 May 2026 / Revised: 16 June 2026 / Accepted: 25 June 2026 / Published: 14 July 2026
(This article belongs to the Topic Advances in Integrated Geological, Mineralogical, and Engineering Research on Unconventional Oil and Gas)
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Abstract

The deep coalbed methane in the SSL block is characterized by strong in situ stresses, elevated thermal conditions, and over-pressured reservoirs. These conditions lead to poor adaptability of vertical-well fracturing technology for CBM extraction. Due to the high investment cost of staged fracturing of horizontal wells, it is necessary to optimize the well type and fracturing process parameters before the experiment, in order to find the optimal horizontal section length and fracturing process parameters. On the basis of in-depth analysis of the characteristics of deep coalbed methane reservoirs, numerical simulation technology was used to carry out optimization research on segmented fracturing horizontal well technology from the aspects of horizontal section length, number of fracturing fractures, fracturing conductivity, fracturing length, and fracturing pattern. Research has shown that segmented fracturing of horizontal wells can communicate the coal seam cleavage fracture system, with a large drainage area and good pressure reduction and gas production effects. The optimal wellbore structure parameters for segmented fracturing of horizontal wells are a horizontal section length of 1000–1200 m, divided into 4–6 sections for fracturing, with a spacing of 120–150 m and uniform distribution of fractures. This well type has been applied in adjacent blocks and has shown good development benefits.
Keywords: deep coalbed methane; horizontal well; numerical simulation; fracture staging; parameter optimization deep coalbed methane; horizontal well; numerical simulation; fracture staging; parameter optimization

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MDPI and ACS Style

Fu, Y.; Zhong, C.; Liu, J.; Zhao, R.; Geng, J.; Xiong, J.; Yang, C.; Wang, L. Research on Optimization of Horizontal Well Fracturing Parameters Based on Numerical Simulation. Energies 2026, 19, 3309. https://doi.org/10.3390/en19143309

AMA Style

Fu Y, Zhong C, Liu J, Zhao R, Geng J, Xiong J, Yang C, Wang L. Research on Optimization of Horizontal Well Fracturing Parameters Based on Numerical Simulation. Energies. 2026; 19(14):3309. https://doi.org/10.3390/en19143309

Chicago/Turabian Style

Fu, Yutong, Congyu Zhong, Jingjing Liu, Ruosi Zhao, Jishi Geng, Jinting Xiong, Chao Yang, and Luyi Wang. 2026. "Research on Optimization of Horizontal Well Fracturing Parameters Based on Numerical Simulation" Energies 19, no. 14: 3309. https://doi.org/10.3390/en19143309

APA Style

Fu, Y., Zhong, C., Liu, J., Zhao, R., Geng, J., Xiong, J., Yang, C., & Wang, L. (2026). Research on Optimization of Horizontal Well Fracturing Parameters Based on Numerical Simulation. Energies, 19(14), 3309. https://doi.org/10.3390/en19143309

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