METHOD OF DRILLING WITH A DROP BIT BOREHOLE DRILLING MACHINE AND A DROP BIT

• 1. 水平井随钻跟踪的方法和控制钻头钻进方向的控制方法 [P] . 中国专利： CN112901070A . 2021-06-04
• 2. 一种用于电脉冲-机械复合钻头的破岩钻进实验装置及方法 [P] . 中国专利： CN113899537A . 2022-01-07
• 3. Drill bits with dropping tendencies and methods for making the same [P] . 英国专利： GB2442596B . 2009-01-21

  机译： 具有下降趋势的钻头及其制造方法

• 4. Drill bits with dropping tendencies and methods for making the same [P] . 英国专利： GB0821536D0 . 2008-12-31

  机译： 具有下降趋势的钻头及其制造方法

• 5. Drill bits with dropping tendencies and methods for making the same [P] . 英国专利： GB0719244D0 . 2007-11-14

  机译： 具有下降趋势的钻头及其制造方法

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• 2. Finite Element Investigation of Flow Field Below Asymmetric Drill Bits for Reverse Circulation in Drilling Tight Oil and Gas Reservoirs [J] . Yi Luo, Erxiu Shi, Yin Feng, 工程与科学中的计算机建模(英文) . 2019,第010期
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• 5. Comparison of the Suction-Type and the Normal-Type DTH Drill Bits in Reverse Circulation Drilling Using CFD Modeling [D] . Gurkan, Gurbet Guler. 2020
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• 1. Similarity evaluation of stratum anti-drilling ability and a new method of drill bit selection [J] . YAN Tie ,XU Rui ,SUN Wenfeng . 石油勘探与开发 . 2021,第002期
• 2. Microstructure and properties of composites gun drill bit/drill pipe interface produced by 3D printing method [J] . 赵菲 ,王康 ,段宣政 . 中国焊接:英文版 . 2021,第4期
• 3. 钻进极硬地层时金刚石钻头的另一种设计方法 [C] . 田龙 . 中国核学会2009年学术年会 . 2009
• 4. 双钻头自平衡钻进系统的结构设计与试验研究 [A] . 陈杭凯 . 2021