Numerical control releaser well descending test sleeve and test method thereof von WANG LEI, CHEN JISHENG, ZHENG CHUNLIANG, NING ZHIYUAN, ZHANG XINLEI, HAN NENGRUN, YAN LINFENG, ZHANG ZHAOYANG, CAI JIANJIAN, YUAN XUEHUA, HAN XUE, LIN JIANHUA, SHI YUFENG, HAN YANYUN, LIU SHICHAO

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Inductance type three-arm hole diameter logging instrument von JIANG ZHIGE, PAN YUEYONG, SHI HONGXIANG, SHUAI SHICHEN, GE SHENGQUAN, CHEN MENG, HAN NENGRUN, ZHAO YUANLIANG, ZHANG YONGZHONG, SHAO ZAIPING

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Storage type well logging blowout prevention connector von TANG XIAOFENG, ZHAO ZHONGQIANG, LI LISONG, SU BO, ZHANG TIANRUI, HAN NENGRUN, YAN LINFENG, ZHANG ZHAOYANG, LIU LEI, YANG DESHAN, LI JIANBO, ZHU YONG, SHI YUFENG, LU MINGYU, WANG MEILING, LIU SHICHAO, WU HAI'OU, ZHANG YONGDI

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Well control logging cable hanger and tool component and using method thereof von CHEN JISHENG, SHUAI SHICHEN, WANG PENG, GE SHENGQUAN, LIU FANGLIN, YU GANGGANG, HAN NENGRUN, GAO FENG, ZHANG ZHAOYANG, GUO QINGBIN, WANG MAOLIN, LI BINGXIN, DING XUDONG, HUAN ZHIPENG, SHI YUFENG, JI MINGMING, CHENG ZHANGANG, XUE JIANMIN, YIN GUOPING, SHA YUZHUO

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