Sleeve pipe trades set tieback ware that links closely
HUO ZHANHAI, HUANG DEHUI, SHAN MAOQING, ZHANG JIANHUA, WANG YUZHONG, HU YONGXIONG
Year of Publication 09.12.2015
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Year of Publication 09.12.2015
Patent
Fixed point is got and is traded set device
HUO ZHANHAI, LUO YIHENG, HUANG DEHUI, JIA ZHENGFA, LI LONG, WANG JIANG, HU YONGXIONG
Year of Publication 21.10.2015
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Year of Publication 21.10.2015
Patent
Forked tail overhead paddle water conservancy anchor
HUO ZHANHAI, YAN XIAOMIN, CHEN BING, CHEN ZHIZHONG, WU XIAOFANG, ZHANG WEIHUI, LI JINFENG
Year of Publication 30.09.2015
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Year of Publication 30.09.2015
Patent
Fixed-point sleeve taking and replacement process method
HUO ZHANHAI, LUO YIHENG, HUANG DEHUI, JIA ZHENGFA, LI LONG, WANG JIANG, HU YONGXIONG
Year of Publication 23.09.2015
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Year of Publication 23.09.2015
Patent
Pressure testing catch integrative tool. of ball
MA JINLIANG, HUO ZHANHAI, LI XIANGZHEN, CAO NING, JIANG YOUCAI, LI SHIXIAN
Year of Publication 09.09.2015
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Year of Publication 09.09.2015
Patent
Coiled tubing salvages special -shaped junk instrument
HUO ZHANHAI, HUANG DEHUI, BAI SHI, ZHANG JIANHUA, LI JIAN, LI LONG, WANG YUZHONG
Year of Publication 10.05.2017
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Year of Publication 10.05.2017
Patent
Rotatory sand washing instrument of coiled tubing
HUO ZHANHAI, HUANG DEHUI, BAI SHI, ZHANG JIANHUA, LI JIAN, LI LONG, WANG YUZHONG
Year of Publication 10.05.2017
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Year of Publication 10.05.2017
Patent