| 钻进极坚硬地层的孕镶金刚石钻头 |
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| 引用本文： | 鲁凡.钻进极坚硬地层的孕镶金刚石钻头[J].中南大学学报(自然科学版),1995(5). |
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| 作者姓名： | 鲁凡 |
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| 作者单位： | 中南工业大学地质系 |
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| 摘 要： | 作者研制出一种双层胎体结构的孕镶金刚石钻头。该钻头特别适合钻进极坚硬地层，能够克服钻头打滑现象，其钻进效率与钻头寿命比一般金刚石钻头高几倍到十几倍。
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| 关 键 词： | 金刚石钻头，极坚硬地层，胎体 |
DIAMOND-IMPREGNATED BIT FOR DRILLING EXTRAL HARD FORMATIONS |
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| Lu,Fan.DIAMOND-IMPREGNATED BIT FOR DRILLING EXTRAL HARD FORMATIONS[J].Journal of Central South University:Science and Technology,1995(5). |
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| Authors: | Lu Fan |
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| Abstract: | A new type of diamond-impregnated bits that possess the matrix of double-layer consti-tution recommended in this paper can overcome the appearance of bit slipping and can raisedrilling rate and service life many times compared with the general bits in drilling extra-hardformations. |
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| Keywords: | diamond bit extra-hard formation matrix |
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