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Zhang Dongzhe

China National Petroleum Corporation

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Featured researches published by Zhang Dongzhe.

Archive | 2015

Device for locking of screw rod drilling tool and unblock

Ye Wenyong; Hu Dongfeng; Li Qianchun; Zhang Dongzhe; Yang Yanzeng; Song Xiaomei

Archive | 2015

Starting valve for controlling whipstock to perform oriented anchoring

Ye Wenyong; Hu Dongfeng; Wei Xiaofang; Wang Yu; Zhang Dongzhe; Yang Yanzeng; Quan Yinhu; Song Xiaomei

Archive | 2014

Starting valve for controlling orientation anchoring of whipstock

Ye Wenyong; Hu Dongfeng; Wei Xiaofang; Wang Yu; Zhang Dongzhe; Yang Yanzeng; Quan Yinhu; Song Xiaomei

Archive | 2014

Oil pipe cutter

Li Qianchun; Wang Yu; Wang Changning; Zhang Dongzhe; Fang Xiaojun; Yang Yanzeng; Zhao Hangbo; Tan Huan; Cao Yanqin

Natural Gas Industry B | 2014

An experimental study on the CO2/sand dry-frac process

Song Zhenyun; Su Weidong; Yang Yanzeng; Li Yong; Li Zhihang; Wang Xiaoyu; Li Qianchun; Zhang Dongzhe; Wang Yu

Archive | 2006

Drilling rod floating valve

Wang Liqun; Hu Dongfeng; Yang Yanzeng; Zhang Dongzhe; Li Qianchun

Archive | 2017

Closed sand mixing device and method

Yang Yanzeng; Song Zhenyun; Wen Zhehao; Zhang Dongzhe; Ye Wenyong; Bai Jianwen; Li Qianchun; Nie Jun; Wang Yu; Li Zhihang; Su Weidong; Wei Xiaofang; Fang Xiaojun; Duan Chengcai; Qu Xianwei

Archive | 2017

Airtight sand mulling device

Yang Yanzeng; Song Zhenyun; Wen Zhehao; Zhang Dongzhe; Ye Wenyong; Bai Jianwen; Li Qianchun; Nie Jun; Wang Yu; Li Zhihang; Su Weidong; Wei Xiaofang; Fang Xiaojun; Duan Chengcai; Qu Xianwei

Archive | 2017