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Dive into the research topics where Changqing Feng is active.

Publication


Featured researches published by Changqing Feng.


Archive | 2012

Water jetting multi-cluster subsection fracturing strings of horizontal well

Yong Ren; Xinquan Ran; Tianshou Zhu; Zhenfeng Zhao; Xianwen Li; Yuan Shao; Changqing Feng


Archive | 2012

Horizontal well fast-drilling composite bridge plug

Changqing Feng; Xiaoming Wang; Jiangbo Liu; Xiangjun Hu; Guofu Ren; Xiaopei Bai; Yong Jiang; Ankang Zhang; Yong Ren; Fei Feng


Archive | 2012

Reducing sliding sleeve of bushing

Guofu Ren; Lijun Mu; Jie Gui; Zhiguo Wang; Wenxing Zhang; Kaibin Hu; Changqing Feng


Archive | 2012

Casing sliding sleeve capable of reducing diameter

Guofu Ren; Lijun Mu; Jie Gui; Zhiguo Wang; Wenxing Zhang; Kaibin Hu; Changqing Feng


Archive | 2012

Perforating, fracturing and draining integrated tubular column for oil well

Yong Ren; Jie Gui; Fenxia Zhao; Fei Feng; Minqi Zhao; Hua He; Yong Jiang; Changqing Feng


Archive | 2012

Quick-drilling bridge plug milling shoe

Ankang Zhang; Xiaoming Wang; Xiangjun Hu; Guofu Ren; Kaibin Hu; Yong Ren; Yong Jiang; Xiaopei Bai; Changqing Feng; Fei Feng; Jiangbo Liu; Ming Liu


Archive | 2010

Water injection flow testing string device

Changqing Feng; Gangdan Fu; Jie Gui; Yafeng Ju; Ming Li; Xianwen Li; Zhiguo Wang; Zhenfeng Zhao


Archive | 2011

Wellhead safety anti-theft plug valve

Jiangbo Liu; Xianwen Li; Gangdan Fu; Nengping Ma; Xiaoxiang Yao; Zhiguo Wang; Jie Gui; Wenxing Zhang; Changqing Feng; Guofu Ren; Shuilong Shang


Archive | 2011

Packer glue barrel supporting ring

Guangmin Zhao; Zhenfeng Zhao; Zhiguo Wang; Jie Gui; Minqi Zhao; Lijuan Zhang; Yong Ren; Guofu Ren; Xiangjun Hu; Changqing Feng


Archive | 2011

Separate liquid delivery type airtight zonal-production pump for multi-zone production

Zhiguo Wang; Ming Li; Guangmin Zhao; Yafeng Ju; Gangdan Fu; Jie Gui; Lijuan Zhang; Changqing Feng; Zaiqiang Wang

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