Device for the weakening of the drilling tool as well as to compensate for the drilling tool weight with positive off.

• 1. 钻具、自钻式岩石锚杆、用于自钻式岩石锚杆的锚定装置、用于钻具的轴以及用于钻具的端部联接器 [P] . 中国专利： CN101535597B . 2013.10.02
• 2. 钻具、自钻式岩石锚杆、用于自钻式岩石锚杆的锚定装置、用于钻具的轴以及用于钻具的端部联接器 [P] . 中国专利： CN101535597A . 2009-09-16
• 3. A DRILLING TOOL,A SELF-DRILLING ROCK BOLT,A DRILL BIT,AN ANCORING DEVICE FOR A SELF-DRILLING ROCK BOLT,A SHAFT FOR A DRILLING TOOL AND AN END COUPLING FOR A DRILLING TOOL [P] . ZA200902598B . 2014-09-25

  机译： 钻具，钻岩螺栓，钻头，钻岩锚固装置，钻具轴和钻具末端联轴器

• 4. Drilling tool, a self-drilling rock bolt, a drill bit, an anchoring device for a self-drilling rock bolt, a shaft for a drilling tool and an end coupling for a drilling tool [P] . 美国专利： US8403600B2 . 2013-03-26

  机译： 钻具，自钻岩钉，钻头，用于自钻岩钉的锚固装置，用于钻具的轴和用于钻具的端接头

• 5. DRILLING TOOL, A SELF-DRILLING ROCK BOLT, A DRILL BIT, AN ANCHORING DEVICE FOR A SELF-DRILLING ROCK BOLT, A SHAFT FOR A DRILLING TOOL AND AN END COUPLING FOR A DRILLING TOOL [P] . 美国专利： US2010098500A1 . 2010-04-22

  机译： 钻具，自钻岩钉，钻头，自钻岩钉的锚固装置，钻具的轴和钻具的末端连接

• 1. Research on no Dig Directional Drilling Pipeline Laying Technique——The reseach on directional drilling tool [J] . XuLi, ZhangGuozheng, MaWeiguo, 工程科学：英文版 . 2004,第004期
• 2. Tillage Effect and Development Prospect of Fenlong Farming Tools with"Drill" [J] . Benhui WEI 亚洲农业研究：英文版 . 2020,第006期
• 3. Conservative approach in drilling-cutting tool injuries [J] . Osman Köneş, Murat Akarsu, Cevher Akarsu, 急性病杂志（英文版） . 2018,第004期
• 4. Conservative approach in drilling-cutting tool injuries [J] . Osman Kones, Murat Akarsu, Cevher Akarsu, 急性病杂志(英文版) . 2018,第004期
• 5. The Principle and Application of a Novel Rotary Percussion Drilling Tool Drived by Positive Displacement Motor [C] . Lingchao Xuan, Zhichuan Guan, Huaigang Hu IADC/SPE Drilling Conference and Exhibition . 2016
• 6. Design of a Pneumatic Tool for Manual Drilling Operations in Confined Spaces. [D] . Janicki, Benjamin. 2016
• 7. Development of an automated drilling fluid selection tool using integral geometric parameters for effective drilling operations [O] . Emeka Emmanuel Okoro, Adedotun O. Alaba, Samuel E. Sanni, 2019
• 8. A Study on Drilling Process Control by Intelligent Machine Tools (2nd Report)-Minimization of total machining time of drilling multiple holes considering the tool life- [O] . Tomonori SATO, Yoshiaki KAKINO, Atsushi MATSUBARA 2003
• 9. Development of Lightweight Air Powered Drill Tool for Probe Drilling in Anthracite Mines [R] . Hamilton, W. H. , Brace, J. 1979

• 1. Potential Application of Nanomaterials in Oil and Gas Field Drilling Tools and Fluids Design [J] . Md Amanullah1 ,Jothibasu Ramasamy1 . 化学与化工 . 2018,第003期
• 2. 一种应用于螺杆钻具的轴向冲击装置研制 [C] . 陈勇 ,吴仲华 ,聂云飞 . 2016年度钻井技术研讨会暨第十六届石油钻井院（所）长会议 . 2016
• 3. 近水平定向钻机钻杆自动存储装置及配套钻具研究 [A] . 王坤 . 2018