ZA202303368B - Refined pre-evaluation method of extraction effect in gas pre-pumping working face - Google Patents

Refined pre-evaluation method of extraction effect in gas pre-pumping working face

Info

Publication number
ZA202303368B
ZA202303368B ZA2023/03368A ZA202303368A ZA202303368B ZA 202303368 B ZA202303368 B ZA 202303368B ZA 2023/03368 A ZA2023/03368 A ZA 2023/03368A ZA 202303368 A ZA202303368 A ZA 202303368A ZA 202303368 B ZA202303368 B ZA 202303368B
Authority
ZA
South Africa
Prior art keywords
evaluation method
working face
extraction effect
refined
pumping working
Prior art date
Application number
ZA2023/03368A
Inventor
Shen Kai
Ba Quanbin
Zhang Zhigang
Xiong Wei
Liao Yin
Liu Yanbao
Ma Qianqian
Ma Daihui
Zhou Houquan
Li Rifu
Hao Guangsheng
Tang Bing
Ma Kai
Zhang Zhaoyi
Fan Zhengxing
Shi Yongtao
Wang Song
Yang Sen
He Jun
Wang Shiwei
Li Shihua
Wang Yifan
Original Assignee
China Coal Technology Eng Group Chongqing Res Inst
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Coal Technology Eng Group Chongqing Res Inst filed Critical China Coal Technology Eng Group Chongqing Res Inst
Publication of ZA202303368B publication Critical patent/ZA202303368B/en

Links

ZA2023/03368A 2022-11-29 2023-03-07 Refined pre-evaluation method of extraction effect in gas pre-pumping working face ZA202303368B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211511504.0A CN115711154B (en) 2022-11-29 2022-11-29 Fine pre-evaluation method for extraction effect of gas pre-extraction working face

Publications (1)

Publication Number Publication Date
ZA202303368B true ZA202303368B (en) 2023-04-26

Family

ID=85235238

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2023/03368A ZA202303368B (en) 2022-11-29 2023-03-07 Refined pre-evaluation method of extraction effect in gas pre-pumping working face

Country Status (2)

Country Link
CN (1) CN115711154B (en)
ZA (1) ZA202303368B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104612635B (en) * 2014-12-10 2017-12-15 中煤科工集团重庆研究院有限公司 Coal seam group gas combined extraction standard reaching pre-evaluation method
CN106223995B (en) * 2016-08-25 2019-01-29 中煤科工集团重庆研究院有限公司 Method for analyzing gas extraction effect of underground coal seam area based on monitoring historical data

Also Published As

Publication number Publication date
CN115711154B (en) 2024-07-02
CN115711154A (en) 2023-02-24

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