多级金刚石表孕镶钻头在坚硬岩屑砂泥岩互层的应用研究
Exploration Engineering(Rock & Soil Drilling and Tunneling)（2018）
Abstract
本文针对山西晋城及霍西煤层气预查孔钻探施工中的坚硬岩屑砂泥岩互层钻进效率低的难题,研制了一种多级金刚石表孕镶钻头,对比之前研制的尖齿切削齿复合片钻头以及其他厂家钻头,机械钻速得到明显提高,在该类型地层取得了良好的钻进效果.
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