金刚石钻进是钻探工程中一种比较先进的钻进方法。
Diamond drilling is a kind of advanced way in drilling engineering.
在软的全风化及强风化花岗岩中，金刚石钻进比功值低于冲击凿碎比功值；
The value of SEDD is nearly equal to that of specific energy of percussive drilling(SEPD) in moderately weathered granite.
同时，在风化花岗岩金刚石钻进中采用钻进比功曲线对地层进行了分级研究。
The methods have been used to classify the weathered granite formation by diamond penetrating specific energy curve.
金刚石钻进的钻进规程决定了钻进效率和钻头的使用寿命，也决定了钻进的安全性、可靠性和经济效益。
The regulations determine the efficiency and the service life of diamond drill, and also the safety, the credibility and the economical efficiency.
并提出用钻头钻进成本定量地评价金刚石钻头的经济效果。
It is proposed that economical performance of diamond bits be quantitatively appraised by use of bit drilling cost.
根据勘探工程钻进的特点，研制开发了一种新型的金刚石钻头。
According to the character of drilling in exploration engineering, we have manufactured a new pattern diamond bit.
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 performance of electroplated diamond bit is greatly affected by the adaptability of its matrix material performance to the rock drilled.
钻进结果显示，采用电镀弱包镶金刚石钻头，能够比较有效地解决电镀金刚石钻头的“打滑”问题。
Drilling results display that electroplated weakly-bonded diamond bit can effectively solve the problem of slipping while drilling in hard, compact rock.
阐述了难钻进地层用新型金刚石钻头的结构、制造特点，射流式钻具的原理、类型，以及防塌型稀释剂的作用机理。
The structure and manufacture of new type of bits, working principle and types of fluidic drilling tools, action mechanism of anti-cave-in thinners, for difficult formation drilling were discussed.
通过绳索取心钻进金刚石钻头选型试验，介绍了广西资源县向阳坪铀矿区“打滑”地层中绳索取心钻进存在的问题及采取的技术措施。
Problems and countermeasures of wireline coring drilling in "walk" formation in a uranium mine in Guangxi are introduced with type selection test for diamond drilling bit.
通过绳索取心钻进金刚石钻头选型试验，介绍了广西资源县向阳坪铀矿区“打滑”地层中绳索取心钻进存在的问题及采取的技术措施。
Problems and countermeasures of wireline coring drilling in "walk" formation in a uranium mine in Guangxi are introduced with type selection test for diamond drilling bit.
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