Device for cleaning inner wall of oil pipe in oil field downhole operation
CAI XIAODONG, LI YONGGANG, ZHUANG JUJIN, TIAN WEI, ZHANG HAIBO, SUN FUJIN
Year of Publication 09.07.2024
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Year of Publication 09.07.2024
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Throttle manifold for controlling blowout of oil sleeve and control method thereof
CAI XIAODONG, LI YONGGANG, ZHUANG JUJIN, TIAN WEI, ZHANG QIANG, SUN FUJIN
Year of Publication 12.01.2024
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Year of Publication 12.01.2024
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Integrated drill bit for injecting and sweeping cement plug in oil field well drilling and workover operation
LI YONGGANG, ZHUANG JUJIN, CHENG LU, TIAN WEI, ZHANG HAIBO, SUN FUJIN
Year of Publication 10.11.2023
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Year of Publication 10.11.2023
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Method for finishing shaft treatment by using sharp drill bit milling cone
LI GUANGMING, ZHUANG JUJIN, JIANG SHAOWEI, TIAN WEI, MAN ZHEN, LIU HONGBO
Year of Publication 24.02.2023
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Year of Publication 24.02.2023
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