| 大河煤田钻孔复杂因素分析及施工技术对策 |
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| 引用本文： | 陈金照. 大河煤田钻孔复杂因素分析及施工技术对策[J]. 探矿工程, 2009, 36(10): 21-24 |
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| 作者姓名： | 陈金照 |
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| 作者单位： | 福建省121煤田地质勘探队,福建龙岩364021 |
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| 摘 要： | 为了解决大河煤田复杂地层钻进施工难的问题，对钻探施工中遇到的复杂地层情况进行分析，提出了采用技术套管、堵漏材料和不同类型的优质泥浆进行护孔堵漏钻进，较顺利地通过了复杂地层，达到了终孔设计要求，取得了良好的经济效益。
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| 关 键 词： | 煤田钻探 护壁堵漏 绳索取心 泥浆 |
| 收稿时间： | 2009-03-31 |
| 修稿时间： | 2009-09-05 |
Analysis on Complex Borehole Factors of Dahe Coalfield and Construction Technical Countermeasures |
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| CHEN Jin-zhao. Analysis on Complex Borehole Factors of Dahe Coalfield and Construction Technical Countermeasures[J]. Exploration Engineering:Rock & Soil Drilling and Tunneling, 2009, 36(10): 21-24 |
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| Authors: | CHEN Jin-zhao |
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| Affiliation: | CHEN Jin- zhao ( Fujian Province 121 Coalfield Geological Exploration Team, Longyan Fujian 364021, China) |
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| Abstract: | In order to solve the difficulties of drilling in complex stratum of Dahe coalfield, analysis was made on the unfavorable drilling conditions. Intermediate casing, leaking stoppage material and different types of high-quality mud were adopted for protective leaking stoppage drilling, hole termination design requirement was fulfilled with prominent economic efficiency. |
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| Keywords: | coalfield drilling counter fort leaking stoppage wire-line coring mud |
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