大直径深孔钻具失效原因探讨_中国矿权网_全国矿权网上交易中心 关键词： 大直径深孔凿岩 钻具 失效 [gap=414]Key Words：Large diameter long-hole drilling,Drilling tools,Failure
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Unleash the drilling tools 卸开钻具
downhole drilling tools 井下钻井工具
cable drilling tools 钢丝绳冲击钻钻具
Sanxing Rock Drilling Tools Company 阳谷三鑫钎具厂
Rock drilling tools 岩土钻掘工具
lower drilling tools assembly 下部钻具组合
churn drilling tools 冲击钻具
new drilling tools 新型钻具
core-drilling tools 取芯钻具
The dynamic analysis of the flow field of the down-hole muds in the automatic anti-deviation drilling system is very important to the regular operation of the automatic anti-deviation drilling tools.
自动垂直钻具井下泥浆流场的动力学分析对于钻具的井下正常工作有着重要意义。
参考来源 - 自动垂直钻具井下流场建模及受力分析·2,447,543篇论文数据，部分数据来源于NoteExpress
Guard logs may be recorded by either wireline or measurements-while-drilling tools.
屏蔽测井曲线可以由电缆式或随钻测量仪器记录。
Our company is engaged in designing, manufacturing and marketing drilling tools as well as spare parts.
我们公司是专业从事石油钻采工具及配件的研发、生产和销售的现代企业。
The working principle and application of a hydraulic testing platform for screw drilling tools are introduced.
介绍了一种螺杆钻具液马达试验架的工作原理及实际使用情况。
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