| 大斜度井水平井井壁力学稳定性技术现状 |
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| 引用本文： | 廖扬强,余庆. 大斜度井水平井井壁力学稳定性技术现状[J]. 钻采工艺, 2003, 26(3): 7-10 |
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| 作者姓名： | 廖扬强 余庆 |
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| 作者单位： | 1. 中原油田钻井三公司技术科
2. 中原油田钻井二公司技术发展部 |
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| 摘 要： | 井壁不稳定是大斜度井和水平井钻井中必须考虑的问题，文中从力学方面对井壁稳定性技术现状进行了回顾，主要包括岩石破坏形式、井壁周围应力状态方程、岩石强度准则、岩石破坏模式和方法等几个方面。介绍了井壁力学稳定理论的现场应用方法和应用情况。
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| 关 键 词： | 大斜度井 水平井 井壁 力学稳定性 油气井 |
| 文章编号： | 1006-768X(2003)03-007-04 |
TECHNICAL PRESENT STATE OF WELLBORE MECHANIC STABILITY IN HIGH-ANGLE DEVIATED HOLE AND HORIZONTAL WELLS |
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| LIAO Yangqiang. TECHNICAL PRESENT STATE OF WELLBORE MECHANIC STABILITY IN HIGH-ANGLE DEVIATED HOLE AND HORIZONTAL WELLS[J]. Drilling & Production Technology, 2003, 26(3): 7-10 |
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| Authors: | LIAO Yangqiang |
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| Abstract: | The unstablity of the wellbore is a main consideration in high angle wells and horizontal wells.This paper reviews the technical present state on wellbore stability in a view of the mechanics such as styles of rock disintegration, stress EOS around the wellbore,rock strength principles,modes and methods of rock disintegration.The paper also presents the on-site application method and situation of the wellbore mechanic stability theory. |
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| Keywords: | Wellbore stability styles of rock disintegration stress EOS high angle deviated hole horizontal well |
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