An establishing method for worn tubing joint model and the influence of wear on stress distribution of joint sealing surface by Xing Zhou, Qinfeng Di, Feng Chen, Wenchang Wang, Gong Chen

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Visualization experiments on polymer-weak gel profile control and displacement by NMR technique by Qinfeng DI, Jingnan ZHANG, Shuai HUA, Huijuan CHEN, Chunyuan GU

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Nuclear magnetic resonance experiments on foam flooding and evaluation of foam dynamic stability by Jingnan ZHANG, Qinfeng DI, Shuai HUA, Feng YE, Yuan LI, Wenchang WANG

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Mechanical mechanism and removal effect of efficient vortexing cuttings removal tool by Feng Chen, Zhihu Liu, Yonghao Huo, Ya Liu, Qinfeng Di, Wenchang Wang

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A Collapse Strength Model for a 7” Crescent-Worn Casing Connection Considering Sealing Integrity by Xing Zhou, Qinfeng Di, Xiaoliang Wang, Dakun Luo, Feng Chen, Wenchang Wang

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Simulation and visualization experiment of manganese ion diffusion and damage to gel in a porous media-gel system by Chunyuan GU, Rongsheng QIN, Qinfeng DI, Fan JIANG, Zi’ang LIU, Huijuan CHEN

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Flow in Microchannels between Sealing Surfaces of Casing Connections: LBM Simulation by Feng Ye, Feng Chen, Wenchang Wang, Renliang Zhang, Xing Zhou, Ken Qin, Qinfeng Di

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Optimal design and nonlinear dynamic characteristics of titanium /steel drill pipe composite drill string for ultra-deep drilling by Qiang Liu, Bo Zhou, Feng Chen, Ning Li, Junfeng Xie, Mifeng Zhao, Qinfeng Di, Chun Feng, Shengyin Song, Chengxian Yin

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