Volume 40 Issue 2
Mar.  2012
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Peng Ye, Wang Minghua, Guan Shuwei, Wang Mingrui, Chen Xi. Experimental Study of the Interlayer Effect in Impregnated Diamond Blocks on ROP and Wear Extent[J]. Petroleum Drilling Techniques, 2012, 40(2): 113-116. DOI: 10.3969/j.issn.1001-0890.2012.02.022
Citation: Peng Ye, Wang Minghua, Guan Shuwei, Wang Mingrui, Chen Xi. Experimental Study of the Interlayer Effect in Impregnated Diamond Blocks on ROP and Wear Extent[J]. Petroleum Drilling Techniques, 2012, 40(2): 113-116. DOI: 10.3969/j.issn.1001-0890.2012.02.022
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Experimental Study of the Interlayer Effect in Impregnated Diamond Blocks on ROP and Wear Extent

  • 1.

    Drilling Technology Research Institute of Shengli Petroleum Administration, Dongying, Shandong, 257017, China;

  • 2.

    West Sichuan Drilling Company, Chuanqing Drilling Engineering Co., Ltd., CNPC, Chengdu, Sichuan, 610051, China

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  • Received Date: February 12, 2011
  • Revised Date: February 23, 2012
    Graphical Abstract
    • Abstract
  • In order to instruct the design of interlayer of impregnated diamond bits and rock saws,the authors designed 4 kinds of shape and interlayer structure impregnated diamond blocks,developed and made the bit for experiment which can load and unload impregnated diamond blocks,and unfolded the experiment to study effect of the interlayer on ROP and wear extent.The phenomena and data of experiment showed:the interlayer is in favor of the improvement of bit stability.Main effect factors of ROP of impregnated diamond blocks are the thickness of interlayer,interlayer structure and shape,and proportion of the interlayer thickness,and mass fraction of diamond in interlayer.Penetration could be accelerated with the increase of the difference of diamond mass fraction between interlayers.Increasing properly of the thickness ratio of non-work interlayer is favor of promoting ROP.Main effect factors of wear extent of impregnated diamond blocks are thickness of interlayer,proportion of the interlayer thickness,and interlayer type and its diamond mass fraction.The more prominent the groove of wearing face is,the more wear extent is.
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    • References (7)
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    陈章文.适合金川矿区的特种孕镶金刚石钻头研制.长沙:中南大学,2008. Chen Zhangwen.Development of the special impregnated diamond bits for Jinchuan Mine.Changsha:Central South University,2008.
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    刘碧湘.分层式孕镶金刚石钻头:中国,02279738.6.2003-10-15. Liu Bixiang.Interlayer impregnated diamond bits:China,02279738.6 .2003-10-15.
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    叶宏煜,谢涛,杨仙.多层定向分布有序排列金刚石工具节块:中国,200720084656.1.2008-02-27. Ye Hongyu,Xie Tao,Yang Xian.Multi-interlayer directional and ordered arranging diamond tool block:China,200720084656.1 .2008-02-27.
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