| 嵩县多金属矿区复杂地层岩心钻探施工综合技术 |
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| 引用本文： | 曾石友.嵩县多金属矿区复杂地层岩心钻探施工综合技术[J].探矿工程,2010,37(11):16-18. |
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| 作者姓名： | 曾石友 |
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| 作者单位： | 河南省地矿局第四地质探矿队,河南郑州450001 |
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| 摘 要： | 总结了嵩县多金属矿区复杂地层岩心钻探的经验,着重介绍了处理金刚石钻头打滑的磨砂方法,在风化层中的跟管钻进方法,多级套管护孔,水泥护壁,801堵漏剂与植物胶、锯末的试用,植物胶锯末泥浆堵漏,润滑减阻等复杂地层综合治理措施。实践证明,采取这些技术措施后,降低了施工成本,提高了钻进效率。
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| 关 键 词： | 复杂地层 岩心钻探 泥浆 护壁 堵漏 |
| 收稿时间： | 2010/4/14 0:00:00 |
| 修稿时间： | 2010/5/25 0:00:00 |
Comprehensive Technology of Coring Drilling in Complex Formation of Poly-metallic Deposit in Song County |
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| ZENG Shi-you.Comprehensive Technology of Coring Drilling in Complex Formation of Poly-metallic Deposit in Song County[J].Exploration Engineering(Drilling & Tunneling),2010,37(11):16-18. |
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| Authors: | ZENG Shi-you |
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| Institution: | ZENG Shi-you (Forth Geological Prospecting Team of Henan Geology and Mineral Bureau,Zhengzhou Henan 450001,China) |
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| Abstract: | The paper summed up the coring drilling experience in complex formation of poly-metallic miming area in Song County and emphatically introduced the comprehensive treatment measures of quartz grinding method for diamond bit slipping;drilling with simultaneous casing in weathered layer;different size casing for hole protection;wall cementing;801 LCM,plant gum and sawdust for leaking stoppage.The construction cost was lowered and drilling efficiency was improved by these technical measures. |
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| Keywords: | complex formation coring drilling mud wall protection leaking stoppage |
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