| 川西中江地区井壁失稳机理研究 |
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| 引用本文： | 张彦虎,汪建军.川西中江地区井壁失稳机理研究[J].钻采工艺,2001,24(1):10-12. |
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| 作者姓名： | 张彦虎 汪建军 |
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| 作者单位： | 西南石油局泥浆公司, |
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| 摘 要： | 中江地区井壁失急是该区钻探过程中普遍遇到的问题。为了弄清楚井壁失稳的机理，对该地区地层粘土矿物结构和理化性能及粘土矿物的膨胀、分散性能作了大量的室内研究，对易引起井壁失稳的一些工程因素也进行了比较全面的分析，为该区的防塌技术对策提供了依据。
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| 关 键 词： | 石油钻井 井壁 失稳机理 井眼稳定 地层 构造应力 粘土矿物 川西中江地区 |
| 文章编号： | 1006-768X(2001)01-0010-03 |
| 修稿时间： | 2000年9月22日 |
Mechanism research of sidewall instability in Zhongjiang district in Sichuan |
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| ZHANG Yan-hu,WANG Jian-jun.Mechanism research of sidewall instability in Zhongjiang district in Sichuan[J].Drilling & Production Technology,2001,24(1):10-12. |
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| Authors: | ZHANG Yan-hu WANG Jian-jun |
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| Abstract: | During drilling, sidewall instability is often occured in Zhongjiang district. In order to make clear the mechanism of sidewall instability, plentiful indoor researches are done, including analysing structure and physicochemical property of clay mineral,and studying the expansivity and dispersion property of clay miner in Zhongiiang district. Some engineering factors which bring to sidewall instability are analysed in detail. It supplies some basements for hole sloughing prevention technique of Zhongjiang district. |
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| Keywords: | hole stabilization formation structural stress clay mineral expansion dispersion mechanism analysis |
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