Releasable releasing device for perforation
LIU XUEFENG, CHENG HAO, CHENG XIANHUA, AILIJIANG YIBULAYIN, SONG JIE, ZHU JIANXIN, YIN HONGCHENG, CHEN XIANJIANG
Year of Publication 01.03.2022
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Year of Publication 01.03.2022
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Transportation perforation device of delayed grading detonating pipe
LIU XUEFENG, HUANG YUHUA, SONG JIE, GUO HAIDONG, YUAN XIAOTAO, LI ZUOYANG, XIAO SHENGBIAO, ZHANG YONGLIANG, JIANG BINGXUAN, SU CHANG, CHENG XIANHUA, FAN DAMING, ZHOU JUAN, AILIJIANG. YIBULAYIN, SHI ZHIQIANG
Year of Publication 12.05.2023
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Year of Publication 12.05.2023
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And micro-volt differential signal acquisition circuit is used for measuring underground tension pressure
LIU XUEFENG, LI JUN, CHENG HAO, AILIJIANG YIBULAYIN, SONG JIE, ZHU JIANXIN, YIN HONGCHENG, CHEN XIANJIANG
Year of Publication 11.10.2019
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Year of Publication 11.10.2019
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Portal mud scraper
LI BINGGANG, CHENG XIANHUA, AILIJIANG YIBULAYIN, SONG JIE, XU JIEXIANG, QIU WEIMIN
Year of Publication 09.10.2018
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Year of Publication 09.10.2018
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Flexible nipple joint of gyro wheel perforation
CHEN BIN, LIU XUEFENG, AILIJIANG YIBULAYIN, CHENG XIANHUA, LI SHOUXIN, SONG JIE, XIAO SHENGBIAO
Year of Publication 05.06.2018
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Year of Publication 05.06.2018
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Contact meets electric formula perforation rifle and multistage perforated string of modularization
JIANG BINGXUAN, LI JUN, AILIJIANG YIBULAYIN, CHENG XIANHUA, SONG JIE, QI BIN, SHI ZHIQIANG
Year of Publication 05.06.2018
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Year of Publication 05.06.2018
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