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。
It is proposed that economical performance of diamond bits be quantitatively appraised by use of bit drilling cost.
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。
According to the character of drilling in exploration engineering, we have manufactured a new pattern diamond bit.
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。
Wheel is a new diamond drill bit for oil drilling tools, drill bit bearing life with their life impact of crucial importance.
轮式金刚石钻头是一种新型的石油钻探工具，钻头轴承的寿命对其使用寿命有着致关重要的影响。
Drilling results display that electroplated weakly-bonded diamond bit can effectively solve the problem of slipping while drilling in hard, compact rock.
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。
Based on the analysis of "bit walk" in drilling, a concept of using weak diamond -holding matrix to get rid of "bit walk" is introduced.
前言：在分析钻进时钻头“打滑”原因的基础上，提出了利用弱包镶来解决“打滑”的思路。
Diamond core bit is preferred for coring operation in terms of the special requirements of scientific drilling.
根据科学钻探对岩心的特殊要求，认为金刚石取心钻头是科学深钻取心钻进较理想的选择。
The necessary technology, which combines the high rotary speed turbine with the diamond impregnated bit, is put forward to solve the deep drilling problems encountered in West Sichuan.
通过分析涡轮及孕镶金钢石钻头的主要性能，提出采用高转速涡轮+自锐孕镶金钢石钻头配套技术来解决川西深井钻井所面临的问题。
The necessary technology, which combines the high rotary speed turbine with the diamond impregnated bit, is put forward to solve the deep drilling problems encountered in West Sichuan.
通过分析涡轮及孕镶金钢石钻头的主要性能，提出采用高转速涡轮+自锐孕镶金钢石钻头配套技术来解决川西深井钻井所面临的问题。
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