Study on the best time of refracturing for Hancheng coal seam

Study on the best time of refracturing for Hancheng coal seam

The old wells in Hancheng Block face the problem of production decline after long-term exploitation, and need to be re-fractured to form new fractures to communicate with CBM rich areas, so as to achieve stable CBM production. Due to the small difference of initial stress in coal seam, the magnitude...

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Bibliographic Details
Main Authors: Wei WANG, Haifeng ZHAO, Liang JI, Chaowei WANG, Zhengzhao ZHANG, Xuejie XING
Format: Article
Language:zho
Published: Editorial Office of Safety in Coal Mines 2025-01-01
Series:Meikuang Anquan
Subjects:
coalbed methane
ground stress field
refracturing
fracture diversion
fracturing timing
increased production
Online Access:https://www.mkaqzz.com/cn/article/doi/10.13347/j.cnki.mkaq.20230911
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