Underground oil-water separation device
HUANG LI, ZHOU CHUNYANG, KONG XIANGWEI, JIA SHOUTIAN, ZHANG GUIQING, ZHAO PING, XIANG QINGFENG, LI ZHAOBING, CUI YICHEN, JIA GUANGSHENG, LI LEI
Year of Publication 20.12.2022
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Year of Publication 20.12.2022
Patent
Sliding sleeve type multi-stage sand blower
HUANG LI, ZHOU CHUNYANG, JIA SHOUTIAN, KONG XIANGWEI, ZHANG GUIQING, ZHAO PING, XIANG QINGFENG, LI ZHAOBING, CUI YICHEN, JIA GUANGSHENG, LI LEI
Year of Publication 06.12.2022
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Year of Publication 06.12.2022
Patent
Pressure gauge supporting cylinder for oil field well logging
HUANG LI, ZHOU CHUNYANG, KONG XIANGWEI, JIA SHOUTIAN, ZHANG GUIQING, ZHAO PING, XIANG QINGFENG, LI ZHAOBING, CUI YICHEN, JIA GUANGSHENG, LI LEI
Year of Publication 25.11.2022
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Year of Publication 25.11.2022
Patent
Impact type cleaning tool for cleaning central channel of downhole tool
HUANG LI, ZHOU CHUNYANG, KONG XIANGWEI, ZHANG GUIQING, ZHENG LIHUA, ZHAO PING, XIANG QINGFENG, LI ZHAOBING, CUI YICHEN, JIA GUANGSHENG, JIA SHOUTIAN, WANG TAOQI, LI LEI
Year of Publication 27.12.2022
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Year of Publication 27.12.2022
Patent
Underground sand control screen pipe with multi-layer filtering function
HUANG LI, ZHOU CHUNYANG, KONG XIANGWEI, JIA SHOUTIAN, ZHANG GUIQING, ZHENG LIHUA, ZHAO PING, XIANG QINGFENG, LI ZHAOBING, CUI YICHEN, JIA GUANGSHENG, LI LEI
Year of Publication 06.12.2022
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Year of Publication 06.12.2022
Patent
Simple glue mixing barrel for field of water conservancy and hydropower
HE CHUNHUI, XIANG QINGFENG, YANG HONGYU, ZHAO LINGYUN, TANG HAIXIONG, WANG XIANG, LYU YANLONG, HUANG YONGGANG
Year of Publication 15.12.2020
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Year of Publication 15.12.2020
Patent