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为了合理的寻找汞矿勘探区的钻进规律,进一步提高钻进效率和岩矿心采取率,我队曾在苏联专家建议与具体指导下,进行了两个浅尺钻孔(岩石硬度分别为6级和4级)合金钻进的试钻工作,取得了初步成效,台时效率较钢砂钻进提高9.2～117%;成本降低4～37.2%.实践证明,在汞矿地区特别是在6级以下岩层中合理地进行合金钻进,是提高钻进效率,保证工程质量的一项有效的技术措施.兹将我队在这次试验中所取得的经验教训作如下之介绍,以供参考.掌握合金钻进的基本规律
In order to reasonably find the regularity of drilling in the mercury mining area and further improve the drilling efficiency and the rate of rock core collection, the team conducted two shallow holes drilling (with the rock hardness of 6 and 4) alloy drilling trial work has achieved initial success, the station efficiency than grit drilling increased 9.2 ~ 117%; cost reduction of 4 ~ 37.2%. Practice has proved that in the mercury mining area, especially in the Reasonable alloy drilling in rock formations below Grade 6 is an effective technical measure to improve drilling efficiency and ensure project quality. The following are some brief introduction of the lessons learned by our team in this trial for Reference. Grasp the basic rules of alloy drilling