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您的检索式：作者名="He Chengchen"
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| 1 | Enhanced Oil Recovery of K Oilfield in Kazakhstan by Micro-unit Development Technology显示文摘K oilfield in Kazakhstan is a medium-high permeability sandstone reservoir which underwent 34 years of waterflood development and went into a later high water cut stage in current,intrabeded and interformational heterogeneity is strong,and the distribution rule of remaining oil is very complex.Though a considerable scale of reserves,there is a big difficult for the stable production and increasing production,and the development clue is urgently in need of transformation. | Xu Ning Li Yanan Xu Ping Qiu Lin Chen Dongming He Chengchen | 2014 | China Oil & Gas2014，21，1： | 0 |
| 2 | Research Progress and Present Situation of Tridimensional Reservoir Development显示文摘Designing special well patterns, tridimensional reservoir development selects a variety of wells and uses the gravity energy to maximize the hydrocarbon recovery. It's a new development model to implement the oil and gas exploitation economically and efficiently. It is suitable for both huge oiliness altitude reservoirs and large dip-angle sandstone reservoirs, and more for the carbonate reservoirs developed in high-angle fractures, volcanic reservoirs and metamorphic reservoirs. | Xu Ning Guo Xiuwen He Chengchen | 2013 | China Oil & Gas2013，20，4： | 0 |
| 3 | Disturbance observer based finite-time coordinated attitude tracking control for spacecraft on SO(3)显示文摘To solve the problem of attitude synchronization control for spacecraft formation flying(SFF)suffering from external disturbances under a directed communication topology,a sliding mode disturbance observer(SMDO)based on the finite-time control strategy is developed to observe the time-varying external disturbance via estimating the upper bound of its first derivative.Meanwhile,the rotation matrix is employed to describe the attitude of SFF for the purpose of the avoidance of singularity and unwinding phenomenon.As for the attitude synchronization and the tracking control architecture,a sliding mode surface(SMS)is given such that the control objective can be achieved.The effectiveness and the validity of the proposed method are elaborated via theoretical analysis and numerical simulations. | SHI Zhen XIE Yaen DENG Chengchen ZHAO Kun HE Yushan HAO Yong | 2020 | Journal of Systems Engineering and Electronics2020，31，6： | 0 |
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