Device and sealing method for rapidly rebuilding main seal of casing head through wellhead resetting
ZHANG ZHI, LI JUNGANG, ZHOU BO, ZOU GUANGGUI, ZHANG YAOMING, SHEN BIAO, DUAN YONGXIAN, LIU HONGTAO, JANG JOONG-WON, SHI XITIAN, WANG PENGCHENG, ZHANG XULIANG
Year of Publication 17.05.2024
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Year of Publication 17.05.2024
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Suspension arm protection device, lifting appliance and lifting system
HE BIN, ZHAO WEIDONG, QIU BIN, SHI XITIAN, WEI CHENXING, WANG YANMIN, QIN LIPING
Year of Publication 08.09.2020
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Year of Publication 08.09.2020
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Wall scraper
CHI JUN, LIU JINLONG, JIANG ZHONGNAN, LU JUN'AN, ZHAO WEIDONG, QIU BIN, SHI XITIAN, WANG YANMIN, DING FENG
Year of Publication 28.07.2020
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Year of Publication 28.07.2020
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Wellhead device
YANG XIAOFENG, XIAO LITONG, GU BIN, LIU YI, CHEN TAO, REN ZIWEI, HUANG ZHENGCHUAN, LU JUN'AN, LIU SHUANGWEI, SHI XITIAN, WANG YANMIN, ZHA LEI
Year of Publication 03.06.2022
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Year of Publication 03.06.2022
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Wall scraper
CHI JUN, LIU JINLONG, JIANG ZHONGNAN, LU JUN'AN, ZHAO WEIDONG, QIU BIN, SHI XITIAN, WANG YANMIN, DING FENG
Year of Publication 06.12.2019
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Year of Publication 06.12.2019
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Sleeve fixing device
KUANG SHENGPING, ZHAO LI, TENG XUEQING, ZOU GUANGGUI, JIA YINGLIN, XIE JUNFENG, XU ZHIXIONG, WANG CHUNSHENG, LIU HONGTAO, ZHOU XIAOJUN, ZHANG CHUAN, WANG PENGCHENG, LIU YI, DU FENGHUI, YAN YONGFA, QIN SHIKUAN, ZHU JINZHI, ZHANG YAOMING, LI WEI, ZHANG DUANRUI, SHI XITIAN, FENG HUI
Year of Publication 10.06.2022
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Year of Publication 10.06.2022
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Surface casing linkage
YANG XIAOFENG, XIAO LITONG, DU WENBO, LIU YI, CHEN TAO, REN ZHIWEI, RAO DONG, HUANG ZHENGCHUAN, LIU SHUANGWEI, SHI XITIAN
Year of Publication 05.02.2019
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Year of Publication 05.02.2019
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Integrated oil casing head
YANG XIAOFENG, LIU JUNFENG, LI FENG, ZHANG BIN, ZHANG HAO, XU ZHIXIONG, LIU HUILIANG, PENG JIANXIN, XIAO LITONG, LIU YI, QIN SHIKUAN, LI ZEHAN, KANG YANJUN, SHI XITIAN, LI HUAIZHONG
Year of Publication 04.06.2014
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Year of Publication 04.06.2014
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Spindle type metal sealing and metal framework type rubber sealing sleeve hanger
YANG XIAOFENG, LIU JUNFENG, LI FENG, ZHANG BIN, ZHANG HAO, XU ZHIXIONG, LIU HUILIANG, PENG JIANXIN, XIAO LITONG, LIU YI, QIN SHIKUAN, LI ZEHAN, KANG YANJUN, SHI XITIAN, LI HUAIZHONG
Year of Publication 02.04.2014
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Year of Publication 02.04.2014
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Tool for taking out and placing in wearing bush while drilling
YANG XIAOFENG, LIU JUNFENG, LIU YI, LI ZEHAN, KANG YANJUN, XU ZHIXIONG, LIU HUILIANG, SHI XITIAN, CHEN JUN, LEI WANNENG
Year of Publication 15.08.2012
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Year of Publication 15.08.2012
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Casing suspender with metallic sealing and metallic framework type rubber sealing
YANG XIAOFENG, LI FENG, ZHANG BIN, ZHANG HAO, XU ZHIXIONG, DENG MENG, LIU HUILIANG, PENG JIANXIN, XIAO LITONG, LIU YI, QIN SHIKUAN, KANG YANJUN, SHI XITIAN, LI HUAIZHONG, CHEN JUN
Year of Publication 12.12.2012
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Year of Publication 12.12.2012
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Integrated oil casing head
YANG XIAOFENG, LI FENG, ZHANG BIN, ZHANG HAO, XU ZHIXIONG, LIU HUILIANG, PENG JIANXIN, XIAO LITONG, LIU YI, QIN SHIKUAN, KANG YANJUN, SHI XITIAN, LI HUAIZHONG
Year of Publication 18.01.2012
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Year of Publication 18.01.2012
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Spindle type metal sealing and metal framework type rubber sealing sleeve hanger
YANG XIAOFENG, LI FENG, ZHANG BIN, ZHANG HAO, XU ZHIXIONG, LIU HUILIANG, PENG JIANXIN, XIAO LITONG, LIU YI, QIN SHIKUAN, KANG YANJUN, SHI XITIAN, LI HUAIZHONG
Year of Publication 12.10.2011
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Year of Publication 12.10.2011
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