Automatic welding device for bimetal metallurgy composite pipe
YANG LIUQING, ZHAO JIANTAO, ZHANG XUELIANG, MENG JIANTAO, HUO XIULI, ZHANG LIYING, ZHANG YANYAN, ZHAO WEIXING, WEI QINWEN
Year of Publication 18.11.2022
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Year of Publication 18.11.2022
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Crawler-type continuous pipe pushing machine
DENG YINJIANG, SHI QINGYI, CHEN TAOTAO, LIU YANG, WANG XIAOQIAN, DENG XIAOGANG, XIAO XINYUAN, WEI QINWEN
Year of Publication 29.10.2021
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Year of Publication 29.10.2021
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Roller pipe pushing machine
WANG SHENGLIN, SHI QINGYI, CHEN TAOTAO, WANG ZAOHONG, XIAO XINYUAN, WANG XIAOQIAN, WEI QINWEN
Year of Publication 29.10.2021
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Year of Publication 29.10.2021
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Automatic girth welding process for bimetal metallurgy composite pipe
YANG LIUQING, ZHAO JIANTAO, ZHANG XUELIANG, MENG JIANTAO, HUO XIULI, ZHANG LIYING, ZHANG YANYAN, ZHAO WEIXING, WEI QINWEN
Year of Publication 30.08.2022
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Year of Publication 30.08.2022
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Spiral gear roller bit
MA PENG, LI YEZHENG, GU LECHENG, WANG BAOCHUAN, YIN YONGQING, LIU ZHEN, WEI QINWEN
Year of Publication 02.08.2022
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Year of Publication 02.08.2022
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Composite impact drilling speed increasing device
WANG SHENGLIN, DENG YINJIANG, CHEN TAOTAO, WANG ZAOHONG, XIAO XINYUAN, WANG XIAOQIAN, WEI QINWEN, GUO ZHENGWEI
Year of Publication 10.08.2021
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Year of Publication 10.08.2021
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Injection-suction type well drilling speed increasing tool
WANG SHENGLIN, ZHANG SHIMING, DENG YINJIANG, XIAO XINYUAN, WEI QINWEN, GUO ZHENGWEI
Year of Publication 04.06.2021
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Year of Publication 04.06.2021
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Extension structure of pipeline laying drilling machine
WANG SHENGLIN, ZU BAOHUA, DENG YINJIANG, XIAO XINYUAN, DENG XIAOGANG, YIN YONGQI, WEI QINWEN
Year of Publication 28.05.2021
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Year of Publication 28.05.2021
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Cluster type power-transferring down-the-hole drilling tool
WANG SHENGLIN, ZHANG SHIMING, DENG YINJIANG, LIU CHENGJUN, XIAO XINYUAN, WEI QINWEN
Year of Publication 19.02.2021
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Year of Publication 19.02.2021
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Tube pushing machine slip bowl mounting structure
YUAN QI, SHI QINGYI, CHEN SENJIE, MA SONGLING, LIU YANG, WANG XIAOQIAN, XIAO XINYUAN, WEI QINWEN
Year of Publication 17.12.2021
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Year of Publication 17.12.2021
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Stable bidirectional continuous full-hydraulic rack type pipe pushing machine
YUAN QI, XIAO YUHANG, MA SONGLING, OU MENG, XIAO XINYUAN, WANG XIAOQIAN, WEI QINWEN
Year of Publication 07.12.2021
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Year of Publication 07.12.2021
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Pipe holding mechanism for bidirectional continuous full-hydraulic rack type pipe pushing machine
YUAN QI, CHEN SENJIE, MA SONGLING, LIU YANG, XIAO XINYUAN, WANG XIAOQIAN, WEI QINWEN
Year of Publication 23.11.2021
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Year of Publication 23.11.2021
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Down-the-hole hammer swing orientation device
WANG SHENGLIN, ZHANG SHIMING, DENG YINJIANG, LIU CHENGJUN, XIAO XINYUAN, WEI QINWEN
Year of Publication 11.12.2020
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Year of Publication 11.12.2020
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Bidirectional continuous full-hydraulic rack type pipe pushing machine
LI XINYI, MA SONGLING, QIN SHASHA, XIAO GUANGWEI, XIAO XINYUAN, WANG XIAOQIAN, DENG XIAOGANG, WEI QINWEN
Year of Publication 03.09.2021
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Year of Publication 03.09.2021
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Electrically-driven PDC drill bit
LI SHUN, LI YEZHENG, GU LECHENG, HU JIN, YIN YONGQING, WEI QINWEN, ZHANG JIANGONG
Year of Publication 02.08.2022
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Year of Publication 02.08.2022
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Multifunctional power drilling tool experimental platform
WANG SHENGLIN, ZHANG SHIMING, WEI SHUOTONG, GUO YONGMEI, XIAO XINYUAN, YIN YONGQING, YIN YONGQI, WEI QINWEN
Year of Publication 28.08.2020
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Year of Publication 28.08.2020
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Novel slip structure
LIN WEIJIAN, LI HONG, LIU YANG, XIAO XINYUAN, DENG XIAOGANG, WANG XIAOQIAN, WEI QINWEN
Year of Publication 25.08.2020
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Year of Publication 25.08.2020
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Multifunctional power drilling tool performance test bench
WANG SHENGLIN, ZHANG SHIMING, WEI SHUOTONG, GUO YONGMEI, XIAO XINYUAN, YIN YONGQING, YIN YONGQI, WEI QINWEN
Year of Publication 21.08.2020
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Year of Publication 21.08.2020
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Vibration reduction and displacement compensation device
WANG SHENGLIN, ZU BAOHUA, ZHANG SHIMING, LIU CHENGJUN, XIAO XINYUAN, WEI QINWEN
Year of Publication 31.07.2020
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Year of Publication 31.07.2020
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