4/12/2025, 4:19:34 PM 星期六
多级金刚石单晶孕镶柱耐磨试验研究
作者:
作者单位:

1.北京探矿工程研究所,北京 100083;2.中国石油集团工程技术研究院有限公司,北京 102200

中图分类号:

P634.4;TE921

基金项目:

北京探矿工程研究所所立项目“高效冲击回转钻头”(编号:SL202303);中国石油天然气集团有限公司关键核心技术攻关项目“万米超深层油气资源钻探关键技术与装备研究”(编号:2022ZG06)


Experimental study on wear resistance of multi-level diamond single crystal impregnated columns
Author:
Affiliation:

1.Beijing Institute of Exploration Engineering, Beijing 100083, China;2.CNPC Engineering Technology R&D Company Limited, Beijing 102200, China

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    摘要:

    本文以金刚石单晶孕镶柱为研究对象,为了确定不同金刚石参数下孕镶柱的耐磨性能,设计了多级金刚石单晶孕镶柱的耐磨性对比试验。通过试验初步得到如下结论:以20/25+35/40+60/70三级目数级配的金刚石孕镶柱磨耗比数值相对较高,双倒角结构的设计能够将金刚石孕镶柱的耐磨性提高3倍左右。将该孕镶柱作为副齿镶嵌在?152 mm和?215.9 mm复合片全面钻头上,分别进行了2支钻头的钻进测试,得到了钻头钻进效率较快,磨损极其轻微的结论。本文研究的孕镶柱在工程上具有较大应用潜力,期望为钻探工具材料设计和选择提供参考。

    Abstract:

    This paper focuses on the diamond single crystal impregnated columns. To determine the wear resistance of impregnated column under different diamond parameters, a comparative wear resistance test for multi-level diamond single crystal impregnated pillars is designed. The preliminary conclusion obtained through experiments is that the wear ratio is relatively high when the diamond impregnated columns are graded with three mesh sizes of 20/25+35/40+60/70, and the design of a double chamfer structure can improve the wear resistance of diamond impregmented columns by about three times. The impregnated pillar was used as a secondary tooth inlay in ?152mm and ?215.9mm compound non-coring bit, and drilling tests were conducted on both bits. Which has a highier drilling efficiency and extremely slight wearness. The impregnated column studied in this article has great potential for engineering applications and is expected to provide reference for the design and selection of drilling tool materials.

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引用本文

吴海霞,沈立娜,李春,等.多级金刚石单晶孕镶柱耐磨试验研究[J].钻探工程,2025,52(2):111-116.
WU Haixia, SHEN Lina, LI Chun, et al. Experimental study on wear resistance of multi-level diamond single crystal impregnated columns[J]. Drilling Engineering, 2025,52(2):111-116.

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  • 收稿日期:2024-05-08
  • 最后修改日期:2024-12-15
  • 录用日期:2025-01-20
  • 在线发布日期: 2025-03-25
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