| 井壁稳定性研究及其在盐城地区的应用 |
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| 引用本文： | 丰全会,祖峰,邓金根. 井壁稳定性研究及其在盐城地区的应用[J]. 钻采工艺, 2000, 23(4): 22-26 |
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| 作者姓名： | 丰全会 祖峰 邓金根 |
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| 作者单位： | 1. 江苏石油勘探局工程技术研究院,江苏,杨州,邵伯,225261
2. 石油大学,北京,昌平,水库路,102200 |
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| 摘 要： | 针对钻井中井壁失稳问题开展井壁稳定性研究，文中就井壁应力状态和失稳类型进行分析计算，并结合测井资料和岩心的室内实验结果进行分析，建立了一套计算地层坍塌压力的方法，结合盐城地区３口井应用对比，坍塌压力剖面基本吻合现场实际，为钻井液密度设计提供了一定的依据。
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| 关 键 词： | 井眼稳定 井壁失稳 钻井工程 石油钻井 |
| 修稿时间： | 1999-12-14 |
Study and application of sidewall stability in Yancheng area |
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| FENG Quan-Hui,Zu Feng,DEN Jin-Gen. Study and application of sidewall stability in Yancheng area[J]. Drilling & Production Technology, 2000, 23(4): 22-26 |
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| Authors: | FENG Quan-Hui Zu Feng DEN Jin-Gen |
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| Abstract: | According to sidewall unstable problem during drilling,the study on sidewall stability is developed.The paper analyses sidewall stress state and sidewall unstable type,and combines with log data and indoor experimental result of core.Through analysis and calculation,the method of calculating slough formation pressure is proposed.By application of the method in 3 wells in Yancheng area,result shows that slough pressure section fits in with field practical condition.It supplies some basis for design of drilling fluid density. |
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| Keywords: | hole stabilization theoretical research log data core stratigraphic section formation pressure detection testing evaluation |
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