| 山丹马场长山子矿区复杂地层综合钻探技术 |
| 投稿时间：2008-03-13 点此下载全文 |
| 引用本文：孙一国.山丹马场长山子矿区复杂地层综合钻探技术[J].钻探工程,2008,35(9):6-10.SUN Yi-guo. Comprehensive Drilling Technique in Complicated Formation of Changshanzi Coal Mine Area[J]. Drilling Engineering, 2008,35(9):6-10. |
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| 中文摘要:对于煤田钻探中遇到的第四系巨厚卵砾石层松散、坍塌、掉块、漏失，煤系地层构造复杂、裂隙发育、漏失严重，部分层段岩石致密坚硬、复杂难钻、效率低下等复杂地层问题，需要应用综合钻探技术进行施工。通过对不同地层采用不同钻进、护壁堵漏方法及施工技术措施的阐述，提出了几种可以提高钻效、降低成本的方法。 |
| 中文关键词:复杂地层 套管护壁 堵漏 薄壁钻头 钢粒钻进 综合钻探技术 |
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| Comprehensive Drilling Technique in Complicated Formation of Changshanzi Coal Mine Area |
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| Abstract:Comprehensive drilling technology is needed for drilling in complicated formation of quaternary great thick boulder with loose, collapsing, dropping and leakage, various different drilling and water-stop methods for different formations were illustrated in this paper, and some methods for higher ROP and low cost were also presented. |
| keywords:complicated formation casing pipe protection water proof thin-wall bit steel grain drilling comprehensive drilling technology |
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