Hydra-mechanical reducing bit broaching while drilling
作者： Bai Peikang , Wang Xiaobing , Li Jianjun , Wang Baoyu , Lu Bo
DOI:
关键词:
摘要: The invention relates to a drilling tool, in particular hydra-mechanical reducing bit broaching while drilling. is capable of continuously caving coal beds after drilling-in process and withdrawal process, comprises an upper connector, shell, core pipe, mandrel, bit, piston system, fluid flowing direction converting system cone arm assembly reasonable design achieving the same functions normal enabling stretch under action during withdrawal, so that achieved.
lens.org 参考文章(8)
Marcus Oesterberg, Khoi Q. Trinh, Chad T. Jurica, Timothy Miller, Li Li, Steven R. Radford, Remotely controlled apparatus for downhole applications, components for such apparatus, remote status indication devices for such apparatus, and related methods ,(2011)
Mark Howard Lee, Robert Stephen Beeman, Cutting tool for use in a wellbore ,(1997)
Rutao Ma, Youzhe Ji, Lai Feng, Fei Han, Yang Liu, Li Geng, Tao Jia, Hongwei Yin, Xue Wang, Yingjie Zhu, Reaming-while-drilling device used for casing drilling ,(2011)
Ma Rutao, Ji Youzhe, Guo Huijuan, Han Fei, Liu Yang, Geng Li, Jia Tao, Yin Hongwei, Wang Xue, Zhu Yingjie, Full-hydraulic reamer ,(2011)
Bai Peikang, Li Jianjun, Wang Baoyu, Han Wenmei, Mao Huping, Li Guofu, Hydraulic mechanical reamer bit with variable diameters in drilling ,(2013)
Junjie Zhang, Zhonghua Wu, Bo Yu, Jieran Zhu, Yunfei Nie, Junliang Xu, Chaoping Wang, Drill-following reamer ,(2010)
Liuwan Xu, Hong Li, Bingyan Shi, Gang Song, Yutao Shao, Yang Jun, Small-caliber dual-wing hole-expanding drill bit for well ,(2010)
Hui Wang, Li Wang, Wanjiang Zheng, Lai Feng, Jianli Wang, Hongwei Yin, Yongliang Yu, Reaming machine special for casing tube welldrilling ,(2008)