Development and application of integral mechanical jar while drilling;
QJ159A整体机械式随钻震击器的研制及应用
To solve this problem,QJ159A integral mechanical jar while drilling is developed.
针对液压式、机械式随钻震击器因密封材料受介质腐蚀和井底高温的影响,技术性能不稳定,使用寿命低的问题,研制了QJ159A整体机械式随钻震击器。
diamod-enhanced hammer bit
金刚石镶齿震击钻头
insert polycrystalline diamond bit
聚晶金刚石镶齿钻头
insert natural diamond bit
天然金刚石镶齿钻头
Experimental study of diamond impregnated drilling bit enhanced with CVD diamond pins
CVD金刚石条强化孕镶金刚石钻头的试验研究
low temperature electroplated synthetic diamond impregnated bit
低温电镀人造金刚石孕镶钻头
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
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
sintered tungsten carbide compact bit
镶碳化钨硬合金齿钻头
Development of the Special Impregnated Diamond Bits for Jinchuan Mine;
适合金川矿区的特种孕镶金刚石钻头研制
Study on Impregnated Diamond Bit's Optimal Design for Hard Formation
适合坚硬地层孕镶金刚石钻头优化设计研究
Optimization design and test of nonsmooth ratio of bionics impregnated diamond bit
仿生孕镶金刚石钻头非光滑度优化设计及试验
Elementary Study on Self-lubricating Matrix Material for Impregnated Diamond Bit
自润滑孕镶金刚石钻头胎体材料初步研究
On how to Make Rational Use of Impregnated Diamond Core Bit: A Brief Introduction of a New Series of Drilling Bits Manufactured by the Longyear Co.
如何用好孕镶金刚石取心钻头——长年公司新系列钻头简介
Research and Application of Diamond-impregnated PDC Bit or Drilling in Medium Hard Rock Formation
中硬岩层钻进孕镶金刚石复合片钻头的研究与应用
Research on Diamond Enhanced Tungsten Carbide Composite Button and Its Bits;
金刚石—硬质合金复合齿及其钻头的研究
Image segmentation of protruded diamonds on impregnated bits by fuzzy clustering algorithm
基于模糊聚类算法的孕镶金刚石钻头出刃图像分割
