| 贯通式潜孔锤反循环连续取心(样)钻进工艺在新疆某矿区复杂地层中的应用试验 |
| 投稿时间：2005-12-02 修订日期：2005-12-02 点此下载全文 |
| 引用本文：王文龙,王禹,李永哲,等.贯通式潜孔锤反循环连续取心(样)钻进工艺在新疆某矿区复杂地层中的应用试验[J].钻探工程,2006,33(2):54-56,62.WANG Wen-long,WANG Yu,LI Yong-zhe,et al. Successful Application of Hollow-through Type DTH Hammer Drilling Technique and Continuous Coring Technology with Reverse Circulation in Complicated Stratum[J]. Drilling Engineering, 2006,33(2):54-56,62. |
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| 中文摘要:新疆白干湖钨锡矿区自然环境恶劣,地质条件复杂，普通小口径金刚石岩心钻探方法效率低、成本高、施工周期长，后采用贯通式潜孔锤反循环连续取心(样)钻进技术在本矿区进行生产试验。试验证明，后者在各项技术指标上都明显优于前者，取得了良好效果。针对后者在生产试验过程中出现的某些问题，提出了一些改进建议。 |
| 中文关键词:贯通式潜孔锤 反循环 连续取心 复杂地层 |
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| Successful Application of Hollow-through Type DTH Hammer Drilling Technique and Continuous Coring Technology with Reverse Circulation in Complicated Stratum |
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| Abstract:The natural environment in Baiganhu tungsten-Tin mine in Xinjiang is bad, and the geological conditions are complicated. At the beginning, the common small diameter diamond coring drilling is used, but the efficiency is low, the cost is high, and the construction period is long. Subsequently, the hollow-through type DTH hammer drilling technique and continuous coring technology with reverse circulation are adopted to experiment in this mine. According to the experiment results, the latter is better than the former in various technique indexes obviously. The productive experiment is successful. Aiming at some problems appeared in the experiment, the authors put forward some improvement suggestions. |
| keywords:hollow-through type DTH hammer reverse circulation continuous coring complicated strata |
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