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Featured researches published by Qingxin Ding.


International Conference on Pipelines and Trenchless Technology (ICPTT) 2009 | 2009

The Technology of Hot taps and Line Stops in China

Shimin Zhang; Qingxin Ding; Honglin Zhao

The oil and gas pipeline transportation has been developed rapidly in China in recent years. As a result, more and more scheduled and emergent pipeline repair works are required. To carry out hot taps and line stops, hot tapping machines, Lo-profile stop valves, split tees, plugs, and plugging actuators are necessary tools for all of those maintenances. In this paper, the development of oil and gas pipeline hot taps and line stops is introduced. The technical problems and challenges are analyzed according to the development status of hot taps and line stops in China. Finally, the possible solutions are discussed in detail.


Archive | 2012

Single-screw metal screw pump stator and processing method for inner helical surface thereof

Qingxin Ding; Zhi Liu; Haiwen Yin; Yingcheng Tian; Kunliang Hui


Archive | 2009

Intelligent plugging device in tube

Shimin Zhang; Wenbin Fan; Honglin Zhao; Qingxin Ding


Archive | 2009

Sharpening machine for drill stem shoulder

Qingxin Ding; Honglin Zhao; Shimin Zhang; Zhi Liu; Zhaokui Wang


Archive | 2012

Cable storing winch

Dongyan Zhao; Xiaobo Wang; Chaoting Zhong; Kaian Yu; Hong Zhang; Honglin Zhao; Li Lin; Ming Zeng; Shimin Zhang; Qingxin Ding; Xiangjuan Xu


Archive | 2011

Impact block capable of adjusting impact time and device for simulating two environmental forces using same

Qingxin Ding; Honglin Zhao; Zhiping Guo; Shimin Zhang; Guangbin Sun


Archive | 2009

Intelligent tube occlusion device

Shimin Zhang; Wenbin Fan; Honglin Zhao; Qingxin Ding


Archive | 2012

Stepping type pipeline arranging device

Qingxin Ding; Xiaobo Wang; Chaoting Zhong; Yingcheng Tian; Hong Zhang; Cuihe Chen


Archive | 2012

Rendering winch used for deep water pipe laying

Kaian Yu; Hong Zhang; Xin Li; Wenli Liu; Honglin Zhao; Li Lin; Xiangjuan Xu; Chaoting Zhong; Ming Zeng; Shimin Zhang; Qingxin Ding


Archive | 2009

Fast unloading valve

Qingxin Ding; Gonghui Liu; Honglin Zhao; Shimin Zhang; Xiaomeng Liu; Guangbin Sun

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Honglin Zhao

China University of Petroleum

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Shimin Zhang

China University of Petroleum

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