Application research of dust removal device with negative pressure suction and classification purification in underground coal mine

by CHU Zhiwei
Published 2022-01-01

Design of signal generator for mine-used mud pulse wireless measurement while drilling

by LI Quanxin, CHU Zhiwei
Published 2019-08-01

Application of pneumatic directional drilling technology for soft-fragmentized coal seam in Qinglong Coal Mine

by KONG Qingjun, CHU Zhiwei
Published 2020-09-01

Research and application of two-stage and two-speed reaming technology for complex roof in Wangpo Coal Mine

by ZHAO Kaikai, YANG Dongdong, ZHANG Yazhou, CHU Zhiwei
Published 2022-08-01

Research on trajectory control of dual-power composite directional drilling in underground coal mine

by LI Quanxin, CHU Zhiwei, XU Chao, YANG Dongdong
Published 2021-12-01

Development and test of turbine generator while drilling in underground coal mines

by CHEN Chaobo, LI Quanxin, ZHANG Jiguan, CHU Zhiwei
Published 2024-07-01

Directional drilling technology with mud pulse wireless MWD in underground coal mine

by LI Quanxin, CHU Zhiwei, XU Chao, FANG Jun
Published 2021-07-01

Drilling experiment research on bedding directional drilling of soft—fragmentized coal seam of Qinglong Coal Mine

by LI Quanxin, FANG Jun, CHU Zhiwei, LIU Fei
Published 2018-11-01