金刚石钻头可再生水口的试验

J4 ›› 2010, Vol. 40 ›› Issue (3): 694-698.

金刚石钻头可再生水口的试验

王传留¹|孙友宏¹|高科²|范黎明¹

1.吉林大学建设工程学院|长春 130026;
2.中原石油勘探局钻井研究院|河南濮阳 457001

收稿日期:2009-10-20 出版日期:2010-05-26 发布日期:2010-05-26
通讯作者: 孙友宏（1965-），男，江苏如皋人，博士生导师，主要从事岩土钻凿、仿生和可再生能源等方面的研究，Tel：0431-88502066 E-mail:syh@jlu.edu.cn
作者简介:王传留(1983-)|男|河南周口人|博士研究生|主要从事岩土钻凿工艺及机具研究|E-mail:chuanliu236@163.com
基金资助:
国家“863”计划项目(2007AA060701)

Experimental Study on Bionic Nozzle of Diamond Bit

WANG Chuan-liu¹, SUN You-hong¹, GAO Ke², FAN Li-ming¹

1.College of Construction Engineering, Jilin University|Changchun 130026|China;
2.Drilling Institute,Zhongyuan Oil Exploration Bureau| Puyang|Henan 457001|China

Received:2009-10-20 Online:2010-05-26 Published:2010-05-26

摘要/Abstract

摘要：

从仿生学的角度，依据脱皮动物的脱皮特性，设计一种可再生水口，用于增加金刚石钻头工作层的高度，进而延长钻头寿命。在可再生水口的加工方法上，首先利用冷压法把含有金刚石的胎体粉料冷压成型，然后组装在模具中，在特定的温度和压力下进行热压烧结，成功获得了具有可再生水口的小口径金刚石钻头；并在此基础上加工了Φ59 mm钻头，模拟野外条件进行室内试验。结果表明：选用特定的水口材料，可以成功实现水口的可再生，为长寿命金刚石取心钻头的研制提供了一种新的思路。

关键词: 脱皮原理, 可再生水口, 冷压法, 加工工艺, 金刚石钻头

Abstract:

Both high drilling efficiency and long life are generally difficult for general diamond bit. Based on ecdysis principle in terms of bionics, a reproducible nozzle is designed, and which is used to add the height of work layer of a diamond bit to improve its life. In the matter of processing technology of the reproducible nozzle, cold pressing technology is used to make the powder including diamond molding firstly, and then the powder compacts are put into the mould, and in the end, hot pressing sintering method are used to manufacture diamond bit. In addition, the Φ59 bit including reproducible nozzles was manufactured, and it was experimented in the laboratory simulating field conditions. And the result indicates that the method of adding the bit's life through a kind of reproducible nozzle is feasible, if some specific materials are selected as the materials of nozzle, so it provides a new thought for development of long-life diamond bit for core drilling.

Key words: ecdysis principle, nozzle, cold-pressing technology, processing technology, diamond bit

中图分类号:

P634.4

王传留, 孙友宏, 高科, 范黎明. 金刚石钻头可再生水口的试验[J]. J4, 2010, 40(3): 694-698.

WANG Chuan-liu, SUN You-hong, GAO Ke, FAN Li-ming. Experimental Study on Bionic Nozzle of Diamond Bit[J]. J4, 2010, 40(3): 694-698.

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