Positioning device for eccentric shaft machining
BAI XUEFENG, HAO SHUQIN, PAN SHUMIN, LI JIN, LI QIAORONG, LIU CHAO, ZHANG RUIJUN, ZHAO TIANYU, YAN XIN, GUO YU, LIU MINGJIAO, LIU GUOQIANG, LI YINGXIONG, LONG CHUNYAN, WANG FANGDENG
Year of Publication 02.05.2023
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Year of Publication 02.05.2023
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80Ksi class 9Cr fireflood and thermal recovery oil well pipe and manufacturing method thereof
DANG GANG, MENG FANLEI, SHAO HUIYONG, LI YINGXIONG, CAI ZHIBO, ZHANG WEIDONG, HU BIN
Year of Publication 28.07.2020
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Year of Publication 28.07.2020
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Seamless steel pipe for oil-gas well perforating gun and manufacturing method thereof
DANG GANG, MENG FANLEI, SHAO HUIYONG, LI YINGXIONG, CAI ZHIBO, ZHANG WEIDONG, HU BIN
Year of Publication 28.07.2020
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Year of Publication 28.07.2020
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Thermal recovery oil well pipe flaring ware
DONG FEN, WU YUXIN, ZHANG YUNHUI, LI DAOGANG, MENG FANLEI, HONG XUN, LI YINGXIONG, GAO SHAN, ZHAI LIPING, HU BIN
Year of Publication 05.08.2015
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Year of Publication 05.08.2015
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Device for seamless pipe borax system removes dust
DONG FEN, WU YUXIN, SHI XIAOFENG, JIANG BAOXIANG, ZHANG HAO, LI YINGXIONG, ZHAI LIPING, LI CHENGWEI, TAO LIN, WANG RU
Year of Publication 05.08.2015
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Year of Publication 05.08.2015
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Tandem rolling roller roller end catcher gland
DONG FEN, SONG SHILING, WU YUXIN, ZOU YUAN, ZHANG YUNHUI, ZHANG YUFENG, LI DAOGANG, LI YINGXIONG, ZHAI LIPING, HU BIN
Year of Publication 05.08.2015
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Year of Publication 05.08.2015
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Hydraulic press high pressure water pipe connects with car connection
DONG FEN, WU YUXIN, ZHANG YUNHUI, LI DAOGANG, YUAN QIN, YANG LIGONG, LI YINGXIONG, GAO SHAN, ZHAI LIPING, HU BIN
Year of Publication 05.08.2015
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Year of Publication 05.08.2015
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Auxiliary clamping device for pipe blank sawing machine
DONG FEN, WU YUXIN, ZOU YUAN, CAI MING, JIANG BAOXIANG, WANG JINCHAO, LI YINGXIONG, HONG XUN, ZHAI LIPING, WANG RU
Year of Publication 08.07.2015
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Year of Publication 08.07.2015
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Seamless steel pipe with excellent hydrogen sulfide stress corrosion resistance and manufacture method thereof
ZHENG YUNLONG, ZHAO BO, XIE DEGANG, LI YINGXIONG, DI JUN, WANG CHANGSHUN, WANG FENG, YU PING
Year of Publication 11.03.2015
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Year of Publication 11.03.2015
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140 ksi steel grade seamless steel pipe and manufacturing method thereof
MENG FANLEI, ZHAO BO, XIE DEGANG, LI YINGXIONG, WANG CHANGSHUN, CHEN KEDONG, HU BIN
Year of Publication 21.12.2018
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Year of Publication 21.12.2018
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Rotation of perforation stoker pushes away stub bar
DONG FEN, WU YUXIN, ZHANG YUNHUI, YIN JUN, LI LIN, GU DAWEI, LI YINGXIONG, HONG XUN, GU HONGGUANG, ZHAI LIPING
Year of Publication 02.09.2015
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Year of Publication 02.09.2015
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Device for cooling of gang saw saw bit
DONG FEN, WU YUXIN, ZHANG YUNHUI, YIN JUN, LI DAOGANG, GU DAWEI, LI YINGXIONG, HONG XUN, ZHAI LIPING, HU BIN
Year of Publication 05.08.2015
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Year of Publication 05.08.2015
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Cartridge axial fan motor support
DONG FEN, YU XIANLIANG, WU YUXIN, GUO LIWEI, LI DAOGANG, LI YINGXIONG, ZHAI LIPING, MA CHENGTAO, HU BIN, WANG RU
Year of Publication 05.08.2015
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Year of Publication 05.08.2015
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Device for centering machine forge scale erodees
DONG FEN, WU YUXIN, ZHANG YUNHUI, LI DAOGANG, YIN JUN, LI LIN, LI YINGXIONG, GU HONGGUANG, ZHAI LIPING, HU BIN
Year of Publication 05.08.2015
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Year of Publication 05.08.2015
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Tooth coupling
DONG FEN, WU YUXIN, LI DAOGANG, ZHAO QIFENG, LI YINGXIONG, HONG XUN, GAO SHAN, ZHAI LIPING, HU BIN, WANG RU
Year of Publication 05.08.2015
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Year of Publication 05.08.2015
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Hydraulic pressure pusher buffer
DONG FEN, WU YUXIN, ZHANG YUNHUI, LI DAOGANG, YIN JUN, LI LIN, LI YINGXIONG, GU HONGGUANG, ZHAI LIPING, HU BIN
Year of Publication 05.08.2015
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Year of Publication 05.08.2015
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Split turning tool capable of being quickly replaced
DONG FEN, WU YUXIN, LI DAOGANG, YUAN QIN, MENG FANLEI, HONG XUN, LI YINGXIONG, ZHAI LIPING, HU BIN, WANG RU
Year of Publication 08.07.2015
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Year of Publication 08.07.2015
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Oil well pipe for heavy oil thermal recovery well and manufacturing method
MENG FANLEI, ZHAO BO, XIE DEGANG, LI YINGXIONG, WANG CHANGSHUN, CHEN KEDONG, HU BIN
Year of Publication 28.09.2018
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Year of Publication 28.09.2018
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Detection switch support
DONG FEN, YU XIANLIANG, WU YUXIN, LI DAOGANG, LI YINGXIONG, HONG XUN, GAO SHAN, ZHAI LIPING, HU BIN, WANG RU
Year of Publication 03.06.2015
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Year of Publication 03.06.2015
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High-temperature-resistant oil well pipe used for thermal recovery well and manufacturing method for oil well pipe
CHEN YONG, LI DAOGANG, ZHAO BO, XIE DEGANG, LI YINGXIONG, WANG CHANGSHUN, CHEN KEDONG
Year of Publication 24.10.2017
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Year of Publication 24.10.2017
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