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  1. No Access

    Chapter and Conference Paper

    Conception and Test Validation of a New Multi-capacity Composite Pre-filled Screen for Natural Gas Hydrate Reservoir

    The degree of screen plugging limits the increase of hydrate well production in the process of natural gas hydrate (NGH) reservoir development. In order to improve the permeability performance of the screen af...

    Chenfeng Liu, Changyin Dong, **njie Zhan in Proceedings of the Fifth International Tec… (2024)

  2. Article

    Open Access

    Experimental simulation of wormhole sanding cavity pattern and microscopic mechanism in heterogeneous weakly-cemented sandstone

    Sand production has been a shared problem in the development of weakly-cemented sandstone oil reservoirs. Sanding simulation and prediction are of utmost importance for the production optimization of this type...

    Yajun Song, Changyin Dong, Bo Zhou in Journal of Petroleum Exploration and Produ… (2023)

  3. No Access

    Chapter and Conference Paper

    Integrity Evaluation Method of Completion Screen in Deepwater Gas Reservoirs with High Temperature and High Pressure

    In deepwater, high-temperature and high-pressure gas reservoirs, the failure modes of screens are affected by a variety of bottom-hole environments, including water production, CO2 gas, sand production, high temp...

    Bo Zhou, Changyin Dong, Chenfeng Liu in Proceedings of The Fourth International Te… (2022)

  4. No Access

    Article

    An Improved Method of Nonmotorized Traffic Tracking and Classification to Acquire Traffic Parameters at Intersections

    High computational cost and low tracking stability make it still a challenging task to acquire nonmotorized traffic parameters at intersections via vision-based method. In order to address the above issues, ou...

    **aohan Liu, Hao Wang, Changyin Dong in International Journal of Intelligent Trans… (2021)

  5. Article

    Operation optimization of plugged screen cleanup by rotary water jetting

    The rotary water jetting is one of the most important techniques for horizontal well cleanup. The jet flow is used to remove plugging particles from sand control screens to recover their permeability. Currentl...

    Changyin Dong, Yanlong Li, Jiajia Long, Qinghua Zhang, Dengqing Wang in Petroleum Science (2014)