Recoverable multilayer air bag type pore water pressure gauge embedding and recycling method
HAN CONG, LI XING, ZHANG QINYU, WANG JUNSONG, SU YE, NIU LEI, FENG HENGBEI
Year of Publication 17.03.2023
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Year of Publication 17.03.2023
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Filtering device for dewatering well
HAN CONG, LI XING, ZHANG QINYU, SU YE, ZHANG SHUCHAO, ZHU XUEZHOU, QU CHENGSONG, WANG CHENXUAN, NIU LEI, FENG HENGBEI, DONG WANSHENG
Year of Publication 20.08.2024
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Year of Publication 20.08.2024
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Device facilitating installation of drill rod
HAN CONG, LI XING, ZHANG QINYU, SU YE, ZHANG SHUCHAO, ZHU XUEZHOU, QU CHENGSONG, WANG CHENXUAN, NIU LEI, FENG HENGBEI, DONG WANSHENG
Year of Publication 05.07.2024
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Year of Publication 05.07.2024
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Water level control and early warning device for water well
HAN CONG, LI XING, ZHANG QINYU, WANG JUNSONG, SU YE, LIN SENBIN, NIU LEI, FENG HENGBEI
Year of Publication 28.04.2023
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Year of Publication 28.04.2023
Patent
Water level control and early warning device for water well
HAN CONG, LI XING, ZHANG QINYU, WANG JUNSONG, SU YE, LIN SENBIN, NIU LEI, FENG HENGBEI
Year of Publication 28.04.2023
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Year of Publication 28.04.2023
Patent
Recyclable centralizer for underground deep well pipe
HAN CONG, ZHANG QINYU, YANG YANZONG, ZHANG SHUCHAO, LU WANG, WANG CHENXUAN, SONG YIPING, MAO XIYUN, PAN HU, FENG HENGBEI, FU SHANGYAN
Year of Publication 24.03.2023
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Year of Publication 24.03.2023
Patent
Intermittent automatic deep water level measuring system
HAN CONG, WANG JING, MA TAO, NIU LEI, GAO YAQIANG, FENG HENGBEI, DONG WANSHENG
Year of Publication 10.04.2020
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Year of Publication 10.04.2020
Patent
Bag grouting well wall sealing structure
WANG JING, LIANG YU, LIN SENBIN, LIU BAOXU, NIE SHANJUN, ZHANG QIANG, MAO XIYUN, LIU YUNSHENG, ZHANG LI, GAO YAQIANG, LI HUILIANG, FENG HENGBEI
Year of Publication 16.04.2019
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Year of Publication 16.04.2019
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Portable manual one -tenth well equipment
ZHAO ZHIYIN, LI YONGHUI, WANG PENGYU, YAN SHU, LIU JIAN, YIN LIFENG, WU JUNDE, DAI LIBO, FENG HENGBEI
Year of Publication 16.06.2017
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Year of Publication 16.06.2017
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Recharge well with water filtering structure
JIN JUNWEN, SU YE, LU WANG, SONG YIPING, NIU LEI, FENG HENGBEI, DONG WANSHENG, ZHONG JIANWEN, SU XIAOBIN, WANG JING, MA TAO, WANG HAIJIANG, ZHANG SHUCHAO, WANG SONG, LI GANG
Year of Publication 16.04.2019
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Year of Publication 16.04.2019
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