From degradation high strength filling pipe
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Year of Publication 03.02.2016
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Electric energy meter applied load on-site anti-electricity-stealing detector and detection method
XIAO JIANHONG, YANG XUEJUN, YANG LONGJIANG, GONG ZHENGHUI, FU JITONG, WANG ZHIGANG, HUANG CHUN, WANG DAILIU
Year of Publication 04.02.2015
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Year of Publication 04.02.2015
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Self-degradable high-strength filling pipe
GAO CHENGYUAN, LIANG FUYUAN, ZHANG QINGCHUN, LI WEI, MA XINYU, WANG ZHIGANG, ZHANG QINGBO, WANG DAILIU
Year of Publication 08.03.2017
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Year of Publication 08.03.2017
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Highly-deviated well casing pipe pre-filling filter sand pipe and sand prevention method
ZHANG XUECHAO, LIANG FUYUAN, ZHANG YAN, GAO SHENGWEI, SONG CHANGQING, ZHANG DEJIE, FU JITONG, WANG ZHIGANG, ZHANG QINGBO, WANG DAILIU
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Year of Publication 08.09.2017
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Intelligent self-circulation well washing device
SU FENG, ZHANG BAOGUO, GAO QUANXIN, CUI FENGSHUI, HE MAOLIN, WU WENJIE, WANG DAILIU
Year of Publication 09.07.2014
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Year of Publication 09.07.2014
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Layering steam injection uniform steam-distributing tubular column
LIN RIYI, WANG XINWEI, WEN ZHIGANG, YANG DEWEI, ZHAO YUNXIAN, SHAO CHANGBIN, WANG DAILIU
Year of Publication 06.03.2013
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Year of Publication 06.03.2013
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Well head device for preventing offset wear pumping well
DAILIU WANG, YONG WANG, GUIMING ZHAO, WEIBING LU, BO ZHANG, JIANHONG XIAO, PIN YU, BIN WANG
Year of Publication 17.05.2006
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Year of Publication 17.05.2006
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Tower-shape ball screw pumping unit
DAILIU WANG, GUIMING ZHAO, SHAOJIE BAI, HONG LU, WEIBING LU, WENJUN HU, JIANHONG XIAO, PIN YU
Year of Publication 17.05.2006
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Year of Publication 17.05.2006
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