Nitrogen equipment discharge capacity governing system is annotated to system nitrogen
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Year of Publication 26.04.2017
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Year of Publication 26.04.2017
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Combined layered injection pipe column
MA HAIYU, ZHANG CHUNTANG, WANG XUESHEN, SONG YUANFEI, ZHENG GUANHUI, LE YONGJUN, WU XIAONI, TIAN HUA, YAN JUNLIN
Year of Publication 16.04.2014
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Year of Publication 16.04.2014
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Drillable slim-hole reaming guide cone
WANG TINGRUI, GAO WEI, GAO QINGCHUN, PENG GANG, ZHANG SHIJUN, HAO YUNGUANG, WANG XIGUI, ZHANG YUANJIAN, CAO SHENG, YANG JINHUI, WANG YINGYING, DING WENZHENG, WANG XUESHEN, GUO LINA, ZHUANG CHUNCAI, XIA JINJUN, RONG ZHEN, LI ZHUANG, REN XIANZHONG
Year of Publication 05.03.2014
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Year of Publication 05.03.2014
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Gas well pumping liquor drainage wellhead self-compensating sealer
LI YONGGE, ZHAO JINLONG, WANG XUESHEN, ZHENG GUANHUI, YAO YONGMING, WU XIAONI
Year of Publication 19.08.2009
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Year of Publication 19.08.2009
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Extrusion type fracturing packer for barefoot well
LI YONGGE, ZHAO JINLONG, AN SULING, TAO HUI, WANG XUESHEN, YAO YONGMING, WU XIAONI
Year of Publication 29.09.2010
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Year of Publication 29.09.2010
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CFG anchor circumferential cutting device
LIU HUITAI, YAN QINGBAO, LIU HONGDA, HAN XINWEI, ZHANG XIAOHONG, ZHANG XIAOBO, WANG XUESHEN, YAN BAOJIA, XU WEI
Year of Publication 09.12.2009
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Year of Publication 09.12.2009
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Anti-pollution apparatus for lever rising work
LI YONGGE, ZHAO JINLONG, ZHANG ZHILIANG, WANG XUESHEN, LI GUANGQIAN, WU XIAONI
Year of Publication 19.08.2009
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Year of Publication 19.08.2009
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CFG anchor circumferential cutting device
LIU HUITAI, YAN QINGBAO, LIU HONGDA, HAN XINWEI, ZHANG XIAOHONG, ZHANG XIAOBO, WANG XUESHEN, YAN BAOJIA, XU WEI
Year of Publication 17.06.2009
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Year of Publication 17.06.2009
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Concrete pile head cutter
LIU HUITAI, YAN QINGBAO, LIU HONGDA, HAN XINWEI, ZHANG XIAOHONG, ZHANG XIAOBO, WANG XUESHEN, YAN BAOJIA, XU WEI
Year of Publication 10.06.2009
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Year of Publication 10.06.2009
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Sludge remover of long screw pile machine drill rod
LIU HUITAI, YAN QINGBAO, LIU HONGDA, HAN XINWEI, ZHANG XIAOHONG, ZHANG XIAOBO, WANG XUESHEN, YAN BAOJIA, XU WEI
Year of Publication 22.04.2009
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Year of Publication 22.04.2009
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Mine mouth suspension type high pressure plugging device
LI YONGGE, YU LANCHUN, WANG XUESHEN, WANG LIJUAN, WU XIAONI, TIAN HUA
Year of Publication 23.04.2008
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Year of Publication 23.04.2008
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