Safety baffle for rod-pumped well
LIAN FUWEI, CHEN XIANG, HUANG QUN, ZHONG XIAOYU, LIU JINHONG, SHI KUN, ZHANG BOCHEN, LIU ZHUANYANG, JI HONGJUN, WANG YANGLI, RAO DELIN, ZHANG NA, ZHAO TAO
Year of Publication 23.04.2024
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Year of Publication 23.04.2024
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Anti-falling type limiting sucker rod device
ZHU MINGZHE, HU XIAOLONG, MA XIANGBO, NIE XIN, CUI WENGE, CAO JIANXIN, NING XIAOFEI, XU ZHIQIANG, MU TAIJI, YANG LIHUA, ZHANG QIANG, PANG RUIBO, LIU ZHUANYANG, LIU HAILIN, XIAN LINXIANG, LYU HONGCHAO, LIU JIANGQIN, RAO DELIN
Year of Publication 18.07.2023
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Year of Publication 18.07.2023
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Blowout-preventing gland of oil wellhead sealing device
SUN HONGYAN, LIU ZHUANYANG, ZENG LIGUI, SHEN HONGYAN, JIA YONGWEI, GE LI, RAO DELIN, XIA YUNPENG
Year of Publication 08.07.2015
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Year of Publication 08.07.2015
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Sleeve milling shoe for repairing and milling sleeve
ZHANG LIANG, WU LIANYONG, YANG HAO, FAN LIMING, HAN ZHIJUN, JIANG QUAN, XIE CHENGUANG, ZHAO JINGDANG, GUAN XING, YAN AIJUN, DANG FUMING, ZHANG MINGFAN, ZHEN YUNFENG, LIU ZHUANYANG, LIU XUDONG, WANG YONGQUAN, JIANG TAO, RAO DELIN, SHAO XINGUANG, SUN RUI, SHAO WEIGUANG, ZHAO LU, CAI YINGXIONG, WANG FENGRUI
Year of Publication 13.06.2023
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Year of Publication 13.06.2023
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Efficient sleeve milling tool
ZHANG LIANG, WU LIANYONG, YANG HAO, FAN LIMING, HAN ZHIJUN, JIANG QUAN, XIE CHENGUANG, ZHAO JINGDANG, GUAN XING, YAN AIJUN, DANG FUMING, ZHANG MINGFAN, ZHEN YUNFENG, LIU ZHUANYANG, LIU XUDONG, WANG YONGQUAN, JIANG TAO, RAO DELIN, SHAO XINGUANG, SUN RUI, SHAO WEIGUANG, ZHAO LU, CAI YINGXIONG, WANG FENGRUI
Year of Publication 30.05.2023
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Year of Publication 30.05.2023
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Double-doping viscosity reducing device for super heavy oil well blowing out
LIU LIANG, SUN HONGYAN, LIU ZHUANYANG, SHEN HONGYAN, JIA YONGWEI, GE LI, RAO DELIN
Year of Publication 25.02.2015
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Year of Publication 25.02.2015
Patent
Workover pipe pole lifting devices is with portable group of pipe mechanism
PEI ZHIGUANG, MAO JUN, LIU ZHUANYANG, ZENG LIGUI, SHEN HONGYAN, XU BO, ZOU JIHUI, WANG SHANQIANG, RAO DELIN, ZHANG PIAOSHI
Year of Publication 14.10.2015
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Year of Publication 14.10.2015
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Wellhead sealer suspension device
WU LIANYONG, TANG XIAOJUN, ZHU MINGZHE, YAN MINHUI, FAN LIMING, GAO WENBIN, YANG YONG, CUI YANGANG, YANG LIHUA, ZHAO JINGDANG, YIN LINLIN, LIU ZHUANYANG, HAN XIAO, HUANG JIAN, RAO DELIN, LIU GAOXIN, ZHANG XIAONING, ZHANG WEI
Year of Publication 12.11.2021
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Year of Publication 12.11.2021
Patent
Portable pipe shifting mechanism for pipe rod lifting device in well repair work
PEI ZHIGUANG, MAO JUN, LIU ZHUANYANG, ZENG LIGUI, SHEN HONGYAN, XU BO, ZOU JIHUI, WANG SHANQIANG, RAO DELIN, ZHANG PIAOSHI
Year of Publication 02.09.2015
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Year of Publication 02.09.2015
Patent
Anti-freezing sampler for oil extraction wellhead
SUN PENGBO, TANG XIAOJUN, FAN LIMING, YIN HONGKAI, NIE XIN, CAI JUN, CUI WENGE, ZHAO JINGDANG, WANG GUANHE, LIU YI, LIU JIANGQIN, BI HAICHANG, YU ZENGJIE, ZHANG WEI, YANG JINSHENG, CONG DAN, WANG LI, ZHANG SHOUMING, ZHANG HUAXIAN, GUO YONG, DAI JINYANG, SUN CONG, SUN NING, CAO LIANG, LIU ZHUANYANG, XIAN LINXIANG, LI HAIQUAN, DONG XIAOFEI, SUI ZHENYU, LI XIANGHUI
Year of Publication 12.07.2022
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Year of Publication 12.07.2022
Patent
Anti-theft device for oil extraction wellhead
SUN PENGBO, CUI CHUNQIU, TANG XIAOJUN, FAN LIMING, YUAN YONG, YIN HONGKAI, CAI XUDONG, CAI JUN, CUI WENGE, ZHANG QIANG, LI HELONG, ZHAO JINGDANG, ZHOU HUI, HONG LIANG, YU ZENGJIE, BI HAICHANG, ZHANG AWEI, YANG JINSHENG, ZHANG WEI, WANG LI, ZHANG SHOUMING, WANG TAO, GUO YONG, LIU ZHUANYANG, XU YIWEN, LI HAIQUAN, ZHAO WEI, DONG XIAOFEI, LI XIANGHUI
Year of Publication 01.02.2022
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Year of Publication 01.02.2022
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Sampler
SUN HONGYAN, ZENG LIGUI, XU BO, LI XIN, YU CONG, GE LI, QI QINGPENG, SHI YINGCAI, LIU ZHUANYANG, JIA YONGWEI, SHEN HONGYAN, RAO DELIN, ZHOU YANGHAI
Year of Publication 08.04.2015
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Year of Publication 08.04.2015
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Metering device
SUN HONGYAN, LIU ZHUANYANG, ZENG LIGUI, SHEN HONGYAN, LI XIN, GE LI, RAO DELIN, YU JUNMEI, ZHAO JUREN, SHI YINGCAI, ZHOU YANGHAI
Year of Publication 25.02.2015
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Year of Publication 25.02.2015
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Natural gas recycler device and shut-in well system
WANG GUANHE, JIANG XUMU, ZHANG CHANGSHENG, CHEN WEIDONG, LIU ZHUANYANG, XU YIWEN, QU MENG, WU YUNSHAN, YANG CHUNXI, ZHAO GUANGMING, ZHANG SHOUJUN, GONG JIANGQUN
Year of Publication 21.01.2015
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Year of Publication 21.01.2015
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Oil well wellhead polished rod lubricating arrangement
DI QIANG, SONG PENG, FAN LIMING, MA JUAN, YAN FEI, ZHAO WANJUN, XIAO BING, LI MINGDE, LIU ZHUANYANG, CHEN WEIDONG, WANG HAIJUN, GUO YINJUN, HUANG JIAN, YANG BO, RAO DELIN, LIU CHANGZHI, FENG YUNLIANG
Year of Publication 09.12.2015
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Year of Publication 09.12.2015
Patent
Oil well wellhead polished rod lubricating device
DI QIANG, SONG PENG, FAN LIMING, MA JUAN, YAN FEI, ZHAO WANJUN, XIAO BING, LI MINGDE, LIU ZHUANYANG, CHEN WEIDONG, WANG HAIJUN, GUO YINJUN, HUANG JIAN, YANG BO, RAO DELIN, LIU CHANGZHI, FENG YUNLIANG
Year of Publication 25.11.2015
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Year of Publication 25.11.2015
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Oil well induced flow system and induced flow process
SONG PENG, ZHAO QIFENG, XU SHUKUN, YUAN YIFEI, LIN QIANG, WANG JUNFEI, ZHANG QUAN, JIANG YUPENG, YIN LINLIN, WANG JIALIN, LIU ZHUANYANG, SHANG LUYE, LI GUANGLONG, RAO DELIN, OU YI, ZHANG XIAONING, HAN BING, BIAN JIAZHONG, LI YANMIN, SHI MENGLIN
Year of Publication 11.12.2020
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Year of Publication 11.12.2020
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A dismounting device for packing among wellhead sealer
GAO ZHAO, YANG HAO, LIU GANG, BAI MEI, LI NING, DANG FUMING, ZHANG XIANHAI, SHI JIANSHU, MA WANBIAO, LIU ZHUANYANG, LI NAN, YIN BING, RAO DELIN, MAO ZHE, ZHAO KUO, WANG YAN
Year of Publication 31.08.2018
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Year of Publication 31.08.2018
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Sealing washer and production tree of using this sealing washer
WANG JIANGHUA, LIU WEI, LIU RUJIE, XU FEI, ZHAO QIFENG, YANG LIHUA, LIU ZHUANYANG, WU DI, BI HAICHANG, GAO PENG, RAO DELIN, ZHANG XIAONING, XIU PUHUA, WANG RUIYING, WANG HUI, YAN SHUCHEN
Year of Publication 01.06.2018
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Year of Publication 01.06.2018
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A change device for packing
YU XIN, LI HAIXIANG, KONG WEIWEI, WANG JINGMING, LIU RUJIE, WU HAO, ZHANG XIANHAI, YU MENG, LIU ZHUANYANG, LI NAN, DONG ZHITAO, YIN BING, RAO DELIN, PANG MINGGANG, ZHANG XIAONING, LI YANMIN, GONG HAIJUN, ZHANG YUPENG
Year of Publication 31.08.2018
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Year of Publication 31.08.2018
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