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- A new type of impregnated diamond bit with two sorts of diamond abrasives has been developed, which can improve both penetration rate and service life simultaneously. 研制出一种两级磨料新型孕镶金刚石钻头，该种钻头解决了时效与寿命不能同步提高这一长期困扰钻头研制者的难题。
- new-type impregnated diamond bit 新型孕镶金刚石钻头
- Research on Impregnated Diamond Bit for Drilling in Slipping Formation 钻进打滑地层用孕镶金刚石钻头设计探讨
- Effect of diamond size on the performance of impregnated diamond bit 金刚石粒度对孕镶金刚石钻头性能的影响
- STUDY ON THE NEW METHOD OF DRILLING CONTROL OF IMPREGNATED DIAMOND BIT 孕镶金刚石钻头钻进控制新方法的研究
- PRACTICE AND ANALYSIS OF ROTARY-PERCUSSIVE DRILLING OF IMPREGNATED DIAMOND BIT WITH LIQUID JET HAMMER 射流式液动锤回转冲击孕镶金刚石钻头钻进的实践与分析
- Research on the Reason of Uneven Abrasion on the Works Layer of the Impregnated Diamond Bit 孕镶金刚石钻头工作层不均匀磨损原因的研究
- Chip Removal Regularity and Bit Face Shape Selection in Impregnated Diamond Bit Drilling 孕镶金刚石钻头的排屑规律与钻头唇状选择
- Keywords impregnated diamond bit;blunting;sharpening;chain reaction hard;abrasive's abrasion; 孕镶金刚石钻头;钝化;锐化;连锁反应;磨粒磨损;
- impregnated diamond bit 孕镶金刚石钻头
- CAD for crown profile curve fitting of diamond bit. 金刚石钻头冠部曲线拟合的计算机辅助设计。
- impregnated diamond drilling bit 孕镶金刚石钻头
- The diamond bit design expert system and the computer controlled system for the bit production are described with their uses in production. 介绍了金刚石钻头设计的专家系统和钻头制造的微机自动控制系统，以及在生产中使用的情况。
- Seen from layer structure the using condition of well section and region distribution, diamond bit has ideal market prospect. 从地层结构、井段使用情况、地域分布情况等来看,金刚石钻头具有理想的市场前景。
- drill bit of impregnated diamond and tungsten carbide 针状硬质合金-金刚石复合型钻头
- In the first place, the paper analyzed the research background, status of the seabed sampling technology and the diamond bit coring technology. 文章首先分析了海底取样技术的国内外研究现状和金刚石钻进技术的概况。
- The performance of electroplated diamond bit is greatly affected by the adaptability of its matrix material performance to the rock drilled. 电镀金刚石钻头的胎体性能对岩石的适应性显著影响钻头的钻进效果。
- The author utilized electrolysis to retrieve polycrystal from on an artificial diamond bit and made them reused, which could reduce actual cost of the bit. 应用电解法回收钻头中的人造金刚石聚晶,使其重复使用,可以降低钻头的实际成本。
- When drilling extra-hard, compact and weak-abrasiveness formation, diamond bit is oftenpolished and slipping. The drilling efficiency, run and the mean life are very low. 金刚石钻头在坚硬致密弱研磨性岩层钻进时,经常出现钻头抛光和打滑现象,钻头时效、使用寿命都非常低。
- The paper introduces the compose and the principle of operation of the tester and the experimentation of testing diamond bit,analyses the results in experiment. 介绍了该仪器的组成和工作原理及利用该仪器测试金刚石钻头的实验过程,分析了实验结果。
