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单牙轮钻头楔形牙齿偏转角优化方法

陈炼 宋朝晖 王新东 张武涛 陈旭 谢正森 粟籽华

陈炼,宋朝晖,王新东,等. 单牙轮钻头楔形牙齿偏转角优化方法[J]. 石油钻探技术,2022, 50(6):1-5 doi: 10.11911/syztjs.2022026
引用本文: 陈炼,宋朝晖,王新东,等. 单牙轮钻头楔形牙齿偏转角优化方法[J]. 石油钻探技术,2022, 50(6):1-5 doi: 10.11911/syztjs.2022026
CHEN Lian, SONG Zhaohui, WANG Xindong, et al. Optimization method of deflection angle of wedge tooth of single cone bit[J]. Petroleum Drilling Techniques,2022, 50(6):1-5 doi: 10.11911/syztjs.2022026
Citation: CHEN Lian, SONG Zhaohui, WANG Xindong, et al. Optimization method of deflection angle of wedge tooth of single cone bit[J]. Petroleum Drilling Techniques,2022, 50(6):1-5 doi: 10.11911/syztjs.2022026

单牙轮钻头楔形牙齿偏转角优化方法

doi: 10.11911/syztjs.2022026
基金项目: 国家自然科学基金“动静复合单牙轮钻头破岩机理及设计理论研究”(编号:51304168)和中国博士后科学基金(编号:2021M693909)联合资助
详细信息
    作者简介:

    陈炼(1981—),男,湖北大冶人,2003年毕业于武汉科技大学机械工程及自动化专业,2009年获西南石油大学机械电子工程专业硕士学位,2019年获西南交通大学机械设计及理论专业博士学位,副研究员、硕士生导师,主要研究方向为钻井岩石破碎学,钻头与提速工具。E-mail:chenlian8121@sina.com

  • 中图分类号: TE921+.1

Optimization method of deflection angle of wedge tooth of single cone bit

  • 摘要:

    为了解牙齿偏转角对单牙轮钻头破岩效率的影响,获得最优的牙齿偏转角。结合单牙轮钻头的运动特性和牙齿工作特点,采用数值分析方法进行了楔形牙齿刮切破岩模拟,并建立了单牙轮钻头楔形牙齿偏转角优化方法,同时开展了不同楔形牙齿偏转角单牙轮钻头的破岩试验。数值分析结果表明:刮切破岩过程中,单牙轮钻头楔形牙齿的工作面和刮切体积在不断变化;楔形牙齿偏转角优化方法能准确、快速地计算楔形牙齿刮切体积,找出最优的偏转角;优化计算发现楔形牙齿的最优偏转角都在90°附近。破岩试验结果验证了楔形牙齿偏转角优化方法的可行性和计算结果的准确性。研究结果表明,利用单牙轮楔形牙齿偏转角优化方法可以求得单牙轮楔形牙齿的最优偏转角,可以为单牙轮钻头布置楔形牙齿提供指导。

     

  • 图 1  牙齿刮切过程

    Figure 1.  Tooth scraping process

    图 2  牙齿刮切痕迹

    Figure 2.  Scratch marks

    图 3  楔形牙齿偏转角

    Figure 3.  Wedge tooth deflection angle

    图 4  不同偏转角楔形牙齿的刮切体积(偏转角步长10°)

    Figure 4.  Scraping volume of wedge-shaped teeth with different deflection angles (deflection angle step 10°)

    图 5  不同偏转角楔形牙齿的刮切体积(偏转角步长1°)

    Figure 5.  Scraping volume of wedge-shaped teeth with different deflection angles (deflection angle step 1°)

    图 6  不同牙齿偏转角单牙轮钻头机械钻速与钻压的关系

    Figure 6.  Relationship between ROP and WOB of single cone bit with different tooth deflection angles

  • [1] 吴修国,何启贤,范志勇,等. ϕ118 mm 单牙轮钻头在中原油田的应用[J]. 石油钻采工艺,2000,22(6):31–34.

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出版历程
  • 收稿日期:  2021-06-25
  • 修回日期:  2022-06-08
  • 网络出版日期:  2022-11-07

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