Shallow layer drilling plug pressurization anti-jacking device and operation method
GAO JIAN, ZHAO FAWU, WANG QI, YANG GUANGJIAN, WU XIUHUA, SUN BAOJING, DU HANSONG, LIU JINMING, LIU SHAOLIANG, XI QINGJIAN
Year of Publication 08.03.2024
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Year of Publication 08.03.2024
Patent
Pressurizing anti-jacking device for shallow drilling plug
GAO JIAN, LIU BAOJUN, SUN YIMIN, ZHAO FAWU, WU XIUHUA, LIU SHAOLIANG, XI QINGJIAN
Year of Publication 13.12.2022
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Year of Publication 13.12.2022
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Cable tube sealing device
GAO JIAN, WU XIUHUA, WANG PANQIANG, LIU JINMING, LIU SHAOLIANG, WEI MENG, XI QINGJIAN
Year of Publication 15.11.2022
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Year of Publication 15.11.2022
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Safe and efficient pipe rod cutter and special adjustable fixing mechanism thereof
PENG HAIJI, WANG CHUNJIANG, XU XIAO, SONG QINGCHANG, SUN RUNQI, ZHANG XIANJUN, SUN HANJUN, XI QINGJIAN
Year of Publication 07.06.2022
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Year of Publication 07.06.2022
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Special shackle device for wear-resistant coupling of sucker rod
PENG HAIJI, MA JIANGUO, LU YINGWANG, YU FAZHEN, SUN HANJUN, DU HAIBO, DU PENG, XI QINGJIAN
Year of Publication 23.08.2022
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Year of Publication 23.08.2022
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A section of thick bamboo is salvaged to smallclothes junk
PENG HAIJI, WANG CHUNJIANG, LI DEBAO, ZHANG JIANHONG, ZHANG XIANJUN, SUN JIANHUA, WANG HONGYANG, DU HAIBO, LI XIA, XI QINGJIAN
Year of Publication 25.11.2015
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Year of Publication 25.11.2015
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Safety and stability oil pipe coaster
PENG HAIJI, WANG CHUNJIANG, LI DEBAO, ZHANG JIANHONG, XIN HUI, SUN JIANHUA, ZHANG XIANJUN, DU HAIBO, LI XIA, XI QINGJIAN
Year of Publication 23.09.2015
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Year of Publication 23.09.2015
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Sucker rod staggered windowing fishing barrel
PENG HAIJI, ZHANG KAI, DIAO ZHENLEI, XU XIAO, SONG QINGCHANG, SUN MINDU, SONG YULU, SUN HANJUN, WANG ZHEN, XI QINGJIAN
Year of Publication 13.11.2020
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Year of Publication 13.11.2020
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Reducing anti-sticking well tool
PENG HAIJI, SUO JIAN, XU XIAO, XU GUANGZHOU, ZHANG YAN, SONG QINGCHANG, SUN HANJUN, HAN XIAOGANG, WANG ZHEN, XI QINGJIAN
Year of Publication 13.11.2020
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Year of Publication 13.11.2020
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Milling drifting pressure test integrated tool
PENG HAIJI, SUO JIAN, XU XIAO, ZHANG YAN, YI WEIWEI, SONG QINGCHANG, LI CHUWU, SUN HANJUN, LI HAO, XI QINGJIAN
Year of Publication 13.11.2020
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Year of Publication 13.11.2020
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Energy -concerving and environment -protective agitator tank jar
PENG HAIJI, XU XIAO, XIN HUI, SONG QINGCHANG, SUN JIANHUA, GAO JINLONG, SUN HANJUN, DU HAIBO, DU PENG, XI QINGJIAN
Year of Publication 09.01.2018
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Year of Publication 09.01.2018
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Short sleeve changes specialized tool
PENG HAIJI, WEI DONGYAN, FAN YUBIN, XU XIAO, XIN HUI, SONG QINGCHANG, SUN JIANHUA, DU HAIBO, DU PENG, XI QINGJIAN
Year of Publication 12.12.2017
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Year of Publication 12.12.2017
Patent
Convenient blowout preventer of proclaiming oneself
PENG HAIJI, FAN YUBIN, CUI TONGTONG, XU XIAO, SONG QINGCHANG, LI JIANJUN, SUN JIANHUA, SUN HANJUN, DU PENG, XI QINGJIAN
Year of Publication 07.11.2017
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Year of Publication 07.11.2017
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Clean maintenance device of thread inspection
PENG HAIJI, WANG CHUNJIANG, WEI DONGYAN, SUN AIMIN, CHAI HECHUN, SUN JIANHUA, LYU XINFENG, DU HAIBO, LI XIA, XI QINGJIAN
Year of Publication 21.09.2016
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Year of Publication 21.09.2016
Patent
Safe high -efficient device of falling guy wire
PENG HAIJI, WANG CHUNJIANG, LI DEBAO, WEI DONGYAN, CHAI HECHUN, XIN HUI, SUN JIANHUA, DU HAIBO, LI XIA, XI QINGJIAN
Year of Publication 27.07.2016
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Year of Publication 27.07.2016
Patent
Oil pipe cyclic delivery device
PENG HAIJI, WANG CHUNJIANG, SUN AIMIN, CUI BAOJUN, CHAI HECHUN, XIN HUI, SUN JIANHUA, DU HAIBO, LI XIA, XI QINGJIAN
Year of Publication 27.07.2016
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Year of Publication 27.07.2016
Patent
Environmentally-friendly box rack for sucker rod discharging
PENG HAIJI, WANG CHUNJIANG, YUE MIN, ZHANG JUNMOU, YANG MINGXIN, QI YUXIAO, GUAN BINGJIN, XING DONGHUI, ZHEN JIGUANG, XI QINGJIAN
Year of Publication 05.11.2014
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Year of Publication 05.11.2014
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Adjustable safety liquid drainage pump
PENG HAIJI, WANG CHUNJIANG, LI CHAO, TANG BO, CHANG QING, YANG MINGXIN, ZHANG XIANJUN, LI JIANJUN, SHI HONGTAO, XI QINGJIAN
Year of Publication 30.07.2014
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Year of Publication 30.07.2014
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Special rod for erecting cordon
PENG HAIJI, LI CHAO, LI DEBAO, TANG BO, CHANG QING, QI YUXIAO, ZHANG XIANJUN, LI JIANJUN, SHI HONGTAO, XI QINGJIAN
Year of Publication 09.07.2014
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Year of Publication 09.07.2014
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Oil-water well slush displacement device
LIU ZHONGHUA, QI GUOQI, FU SHIHAI, DONG LONGLONG, SONG QINGCHANG, ZHANG HAO, MAO ZHONGXIN, CUI YUEYONG, SHI TINGRUI, XI QINGJIAN
Year of Publication 13.03.2013
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Year of Publication 13.03.2013
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