Method for repairing aquifer in coal mine area

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United States of America

PATENT NO 12129620
SERIAL NO

18600416

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Abstract

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Disclosed is a method for repairing an aquifer in a coal mine area by grouting, including: drilling a survey hole in a ground area corresponding to a water inflow position from ground surface to a caving zone in a goaf; determining a target layer for grouting in the survey hole based on drilling data collected from the survey hole while drilling; changing the survey hole to a grouting hole; measuring a first water level from the grouting hole; grouting through the grouting hole; changing the grouting hole to an observation hole; measuring a second water level from the observation hole; and determining a water retention level based on the first water level and the second water level.

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Patent Owner(s)

Patent OwnerAddress
CHINA UNIVERSITY OF MINING AND TECHNOLOGY BEIJING100083 BEIJING CITY HAIDIAN DISTRICT INSTITUTE OF RUTOSIDS NO 11 BEIJING CITY BEIJING CITY 100083

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Xue Beijing, CN 84 356
Mei, Aoshuang Beijing, CN 5 3
Meng, Shihao Beijing, CN 5 2
Pang, Kai Beijing, CN 14 174
Wei, Xinjiang Beijing, CN 5 0
Wu, Qiang Beijing, CN 535 3977
Xiao, Xuan Beijing, CN 15 24
Yang, Weihong Beijing, CN 29 250
Yu, Chao Beijing, CN 139 314
Zeng, Yifan Beijing, CN 19 14

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