Oil well inserts sealed instrument with time delay from inflation formula
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Year of Publication 05.08.2015
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Year of Publication 05.08.2015
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Two-way opening reservoir protection device
LI YONGJUN, WANG GUANJUN, LIU JUNDONG, LI HAICHEN, LI MENGCHAO, ZHANG LUNWEI, YAN RUICHANG, YAO QINGTONG, TIAN FACHAO, XU GUOXIONG, XI WENBO, WANG BIN
Year of Publication 13.12.2019
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Year of Publication 13.12.2019
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And belt pressing roller supporting seat is arranged at turning of return belt
DONG WEIFENG, WEI LAIZHU, MAO XUEMEI, YU SHOUSHUI, LI XUSHENG, LI ZUOZHI, ZHANG LUNWEI, HAN CHUANLIN, WANG YAOSONG, GUAN FAZHEN, QI BIN
Year of Publication 29.11.2019
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Year of Publication 29.11.2019
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Liquid-unloading gas recovery pipe string and production method thereof
ZHU CHENG, LI MENGCHAO, ZHANG LUNWEI, TIAN FACHAO, LUO SHAOFENG, HAN QI, ZHONG BAOKU, JIANG YUXING, CUI GUOLIANG, LIU HUAWEI
Year of Publication 23.01.2018
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Year of Publication 23.01.2018
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Pipeline formula microwave heating equipment
ZHU BAOKUN, ZHAO CHENGUANG, YU DAN, TIAN CHUMING, LI MENGCHAO, ZHANG LUNWEI, TIAN FACHAO, XU GUOXIONG
Year of Publication 14.07.2017
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Year of Publication 14.07.2017
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