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Dive into the research topics where Duan Youzhi is active.

Publication


Featured researches published by Duan Youzhi.


Archive | 2016

Heat insulation well completion device and method

Yue Hui; Duan Youzhi; Pang Wei; Yao Zhiliang; Hou Qian; Wu Junxia; Zhu Ming; Li Xiaoyi


Archive | 2015

Completion pipe string of geothermal well

Zhu Ming; Duan Youzhi; Yue Hui; Liu Huanle; Hou Qian


Archive | 2017

An optimization method for shale gas horizontal well perforation cluster distances

Fu Daoming; Liu Huanle; Yang Shigang; Yao Zhiliang; Duan Youzhi; Wu Junxia; Zhao Xu; Peng Hanxiu; Zhu Ming; Ai Shuang


Archive | 2017

Sand-prevention and water-controlling sliding sleeve and opening-and-closing device thereof

Duan Youzhi; Yue Hui; Zhang Tongyi; Zhu Ming; Li Tao; Hou Qian; Liu Huanle; He Tong


Archive | 2017

Robot switch slide sleeve

Yue Hui; Duan Youzhi; He Yurong; Fu Daoming; Peng Hanxiu; Mao Jun; Wu Junxia; Li Xiaoyi; Zhai Yujia


Archive | 2017

Expandable sieve pipe performance detection experiment apparatus and expandable sieve pipe performance evaluation method

Duan Youzhi; He Zuqing; Yue Hui; Zhu Ming; Hou Qian; Zhao Xu; He Tong


Archive | 2017

Bore hole staged fracturing completion pipe string

Liu Huanle; Fu Daoming; Zhao Xu; Pang Wei; Duan Youzhi; Di Dejia; Ai Shuang; Hou Qian; Zhai Yujia; He Tong


Archive | 2017

Well blanking plug of giving up

Yue Hui; Hou Qian; Pang Wei; Duan Youzhi; He Tong; Zhao Xu; Liu Huanle; Yao Zhiliang


Archive | 2017

Water control tool

Zhao Xu; Hou Qian; Yue Hui; Yao Zhiliang; Duan Youzhi; Pang Wei; Liu Huanle


Archive | 2017

Single double -barrelled conversion equipment of steam injection

Li Xiaoyi; Yao Kai; Zhao Xuan; Zhai Yujia; Duan Youzhi; Wang Jun; Zhu Ming; Zhao Xu

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