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Dive into the research topics where Liu Jingfeng is active.

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Featured researches published by Liu Jingfeng.


Archive | 2017

智能捞油技术及其在“三低”油藏中的应用

黄华; Huang Hua; 赵亚杰; Zhao Yajie; 董涛; Dong Tao; 刘景峰; Liu Jingfeng; 罗改芬; Luo Gaifen

针对传统的人工举升系统在三低油藏开采过程中机采效率低、能耗大、修井作业频繁、管理成本高以及经济效益低等问题,提出了一种桶式智能捞油技术,并进行了机械结构设计、控制系统及控制算法设计。应用该技术,可以实时感知油井液面变化,维持合理的生产压差,自动优化工作制度。延长油田安装了12台搭载该技术的智能捞油机,对该技术进行了应用验证,应用智能捞油机后综合增产效益达到63.92%。应用结果表明智能捞油方法及智能捞油机具有较高的推广应用价值。


Archive | 2013

Balancing torque automatic regulating device of beam-balanced pumping unit

Tao Hongsheng; Ren Tao; Zhao Yajie; Qu Wentao; Huang Hua; Wang Weigang; Gao Qinghua; Liu Tong; Yao Jun; Zhan Zhuanying; Liu Jingfeng; Luo Gaifen


Archive | 2014

Ultra-low-stroke-frequency pumping unit secondary speed reducing device

Tao Hongsheng; Zhao Yajie; Dong Tao; Liu Jingfeng; Luo Gaifen; Qiao Huashan


Archive | 2017

Bitonic section supporting mechanism of double bracing

Huang Hua; Shi Jian; Liu Jingfeng; Dong Tao; Fu Xide; Li Wenchao; Luo Gaifen


Archive | 2016

Oil pipe drags for barrel oil pump

Zhao Yajie; Huang Hua; Dong Tao; Gao Qinghua; Liu Tong; Fu Xide; Liu Jian Gang; Shi Jian; Liu Jingfeng; Luo Gaifen; Wang Jianping


Archive | 2016

Adaptation highly deviated well's inclined shaft pump

Liu Tong; Zhao Yajie; Gao Qinghua; Huang Hua; Gao Jiaxi; Shi Jian; Liu Jiangang; Liu Jingfeng; Luo Gaifen; Fu Xide; Li Wenchao; Wang Baoping


Archive | 2016

Guide fishing device

Liu Jiangang; Zhao Yajie; Gao Qinghua; Huang Hua; Wang Weigang; Liu Tong; Dong Tao; Liu Jingfeng; Luo Gaifen; Fu Xide; Chen Penggang; Li Wenchao


Archive | 2016

Prevent back -off eccentric wear prevention sucker rod centralizer

Dong Tao; Zhao Yajie; Huang Hua; Gao Qinghua; Liu Tong; Wang Weigang; Cao Manli; Liu Jingfeng; Luo Gaifen; Hong Qianli; Fu Xide; Liu Jian Gang


Archive | 2016

Fixed intelligent oil bailing machine

Zhao Yajie; Huang Hua; Dong Tao; Shi Jian; Liu Jingfeng; Luo Gaifen; Wang Jianping; Li Wenchao


Archive | 2016

Directional well recovers oil and uses inclined shaft pump

Gao Qinghua; Zhao Yajie; Huang Hua; Dong Tao; Liu Jingfeng; Liu Tong; Luo Gaifen; Wang Weigang; Fu Xide; Liu Jiangang; Hong Qianli; Li Wenchao

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Shen Feng

Chinese Academy of Sciences

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