石油钻头

金刚石抛光砂轮用于石油钻头、煤炭、刀具等行业的金刚石和CBN复合片的镜面抛光以及耐火材料行业产品的抛磨。

Diamond polishing wheels are used for mirror polishing diamond & CBN compound pads in mineral drills , and cutter industry . Also , used for polishing refractory materials .

针对PDC石油钻头在使用过程中产生泥包的问题，进行了岩屑的受力情况和起动条件的分析，建立了计算模型。

In the paper the force on rock granule and the starting conditions about the mud block problems during running of the PDC petroleum drill is introduced and the corresponding calculating model is built up .

JHS公司是国家一级企业，国家重点高新技术企业，世界先进、亚洲最大的石油钻头制造商。

The JHS Company is a National Grade-one Enterprise and National Key Hi-Tech. Enterprise , which is the largest manufacturer of petroleum drill bit in Asia with world advanced technology .

高淬透性新型石油钻头钢的开发与应用石油钻头用金刚石烧结体的耐磨性测定

The Developments and Application of the New High Hardenability Steels Used for Rock Bits

石油钻头自激振荡脉冲喷嘴真空扩散焊接工艺正交试验研究

Orthogonal Optimization Test of Vacuum Diffusion Welding of Self-oscillating Pulsed Jet Nozzle of Drilling Bits

石油钻头的开发和研究是建立在理论和试验基础上的，大量的钻头产品开发和研究方案都需要通过室内试验和现场试验来完成。

The development and researches of the petroleum bits are established on the theories and experiments , and a great deal of bit products of development and studying all need to pass indoor experiment and the spot experiment to complete .

电镀PDC石油全面钻头及其在油气田中的应用

Electroplated PDC Bit for Petroleum Full Face Drilling and Its Application in Oil and Gas Fields

25MeV电子感应加速器对石油钻井钻头进行无损探伤

γ - ray nondestructive testing on big petroleum diamond drill bits by using a 25 MeV betatron

80年代以来，国内外石油勘探钻头钢随着钻头几何结构的革命性变化而出现了一种崭新的发展趋向，传统石油钻头用钢逐渐为高淬透性的EX系列及其改型钢所代替。

Since the 1980s the developments of the steels used for the rock bits have appeared a new tendency , that the traditional steels is replaced by the high hardenability EX and the modification steels gradually , in pace with the revolutionary changes of the geometrical structure of the bits .

提高石油牙轮钻头转速的试验研究

Experimental research on raising rotating speed of cone bit

低温电镀孕镶金刚石石油取心钻头研制与应用

Development and Application of Low Temperature Electroplated Diamond Petroleum Bits

石油取芯钻头石墨模具在热压过程中的受力状况分析

Analysis of forces on the graphite mold of core bit for oil during hot pressing

岩石可钻性是石油钻井中优选钻头类型的重要依据。

The rock drill ability is an important index for optimizing the selection of drill bit .

适用于地质勘探的取心钻头，煤炭采掘的电煤钻头、截煤机齿，石油钻井的牙轮钻头和刮刀钻头。

For coring crowns , electric coal drill bits , coal cutting picks , cone drill bits and scraping knife bits , used in geological prospecting , coal mining and oil well boring .