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

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

Analysis of development framework of intelligent coal mine underground drilling technology

by LI Quanxin, LIU Fei, FANG Ju
Published 2020-09-01

KG-300-2J flushing fluid purification circulation system using directional drilling in coal mine

by LIU Zhi, LIU Jianlin, LI Quanxin, WANG Siyi
Published 2021-07-01

Mine-used mud pulse wireless measurement while drilling device and its applicatio

by FANG Jun, GU Shuancheng, SHI Zhijun, LI Quanxin
Published 2019-02-01

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

Novel cable measurement while drilling device used for directional drilling in coal mine

by FANG Jun, SHI Zhijun, LI Quanxin, GAO Jun
Published 2015-08-01

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

Adaptive control method for drilling robot based on coal and rock drillability

by LI Wangnian, ZHANG Youzhen, TIAN Hongliang, LI Quanxin, WEI Hongchao
Published 2023-06-01

Research on key technology of sliding drag reduction drilling along ultra-long directional hole in coal seam

by XU Chao, JIANG Lei, LI Quanxin, FANG Jun, CHEN Pan, LIU Zhi
Published 2022-01-01