Downhole blowout preventer and blowout prevention operation method von Zheng, Xiaozhi, Ma, Lanrong, Hou, Yuequan, Cheng, Guangming, Gu, Lei, Yin, Huibo

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DOWNHOLE BLOWOUT PREVENTER AND BLOWOUT PREVENTION OPERATION METHOD von YIN, Huibo, HOU, Yuequan, CHENG, Guangming, MA, Lanrong, GU, Lei, ZHENG, Xiaozhi

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DOWNHOLE BLOWOUT PREVENTER AND BLOWOUT PREVENTION OPERATION METHOD von ZHENG, XIAOZHI, HOU, YUEQUAN, MA, LANRONG, YIN, HUIBO, GU, LEI, CHENG, GUANGMING

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Drill rod flow dividing short section for tail pipe entering well and tail pipe tripping-in pipe string von ZHANG RUI, LIAO HONGQIAN, HOU YUEQUAN, LI FUPING, LI HANG

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Self-locking device for well cementation von HOU YUEQUAN, YAO HUIQIAN, GUO LIANCHAO, SUN ZEQIU, DUAN FENGHAI, FENG LIYING, LIANG XIAOYANG, YAN SHENGYU, WANG CHAO

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DOWNHOLE BLOWOUT PREVENTER AND BLOWOUT PREVENTION OPERATION METHOD von YIN, Huibo, HOU, Yuequan, CHENG, Guangming, MA, Lanrong, GU, Lei, ZHENG, Xiaozhi

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Blowout preventer adopting composite setting mode von GU LEI, YIN HUIBO, HOU YUEQUAN, CHENG GUANGMING, LIU XIANGYANG, MA LANRONG, ZHENG XIAOZHI

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Mechanical pressing type gate valve opening and closing device von GU LEI, YIN HUIBO, HOU YUEQUAN, MA SHANKUN, CHENG GUANGMING, MA LANRONG, MA KAIHUA, ZHANG WENPING

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While-drilling packer for packing underground high-pressure formation overflow von GU LEI, YIN HUIBO, HOU YUEQUAN, CHEN WUJUN, HWANG HASOON, CHENG GUANGMING, HU DALIANG, MA LANRONG, GAN ZHENWEI, CAO HAITAO

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Sand control cover of a liner hanger tieback section of thick bamboo von LI JIANYE, ZHENG DUJIAN, HOU YUEQUAN, QI ZHENGYU, JIN LEI

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Elasticity centralizer shaper von ZHANG GUANLIN, HOU YUEQUAN, LI ZHEN, KONG BO, ZHAO CONG, LIU MING

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Pipe column von HOU YUEQUAN, LI FUPING, ZHANG HUI, FENG LIYING, XU XING, LIU MING, RUAN CHENLIANG

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Test device for tail tube top packer von ZHANG RUI, WU JINXIA, HOU YUEQUAN, YANG DEKAI, KONG BO, FENG LIYING

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Plug system for drilling liner cementing von HOU YUEQUAN, DING LINGLING, GUO CHAOHUI, LI ZHEN, KONG BO, FENG LIYING, LIANG XIAOYANG, LI QIANG

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Locking device von GU LEI, ZHANG RUI, HOU YUEQUAN, SHAO ZHIXIANG, LI HANG, LIU MING, ZOU CHUANYUAN, ZHENG XIAOZHI, LI PENGFEI

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Selection of regularization parameter for l1-regularized damage detection von Hou, Rongrong, Xia, Yong, Bao, Yuequan, Zhou, Xiaoqing

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Identification of time‐varying cable tension forces based on adaptive sparse time‐frequency analysis of cable vibrations von Bao, Yuequan, Shi, Zuoqiang, Beck, James L., Li, Hui, Hou, Thomas Y.

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Mechanics-informed transformer-GCN for structural dynamic response prediction von Liao, Qi, Bao, Yuequan, Hu, Haiyang, Hou, Rongrong

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A deep reinforcement learning method for structural dominant failure modes searching based on self-play strategy von Guan, Xiaoshu, Sun, Huabin, Hou, Rongrong, Xu, Yang, Bao, Yuequan, Li, Hui

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Advancing ophthalmic delivery of flurbiprofen via synergistic chiral resolution and ion-pairing strategies von Ma, Zhining, Wang, Yuequan, He, Huiyang, Liu, Tong, Jiang, Qikun, Hou, Xiaohong

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