| 欠平衡钻井取心技术在川东北的应用 |
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| 引用本文： | 李永伟.欠平衡钻井取心技术在川东北的应用[J].煤炭技术,2012,31(3):170-172. |
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| 作者姓名： | 李永伟 |
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| 作者单位： | 中原钻井一公司,河南濮阳,457331 |
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| 摘 要： | 所谓的欠平衡钻井技术,是指井眼液柱压力低于地层压力,在这种情况下进行钻井,欠平衡钻井取心技术是与之配套的技术之一。文章就以川东北区块须家河地层为例,探讨了欠平衡钻井取心技术的具体应用。
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| 关 键 词： | 欠平衡钻井取心 取心工具 取心收获率 |
Underbalanced Drilling Coring Technology Used in Northeast of SiChuan |
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| LI Yong-wei.Underbalanced Drilling Coring Technology Used in Northeast of SiChuan[J].Coal Technology,2012,31(3):170-172. |
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| Authors: | LI Yong-wei |
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| Affiliation: | LI Yong-wei(No.1 Company of Zhongyuan Drilling,Puyang457331,China) |
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| Abstract: | The so-called underbalanced drilling technology,is the borehole fluid column pressure below formation pressure,in this case of drilling,the underbalanced drilling coring technology is its accompanying technologies.In this paper,take the northeastern block for example,talks about the specific application of the under-balanced drilling coring technology. |
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| Keywords: | underbalanced drilling coring coring tool core recovery |
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