井壁稳定的力化耦合模型研究

山东大学学报(工学版) ›› 2009, Vol. 39 ›› Issue (3): 111-114.

井壁稳定的力化耦合模型研究

张乐文邱道宏程远方

张乐文，邱道宏：山东大学岩土与结构工程研究中心，山东济南 250061;
程远方：中国石油大学(华东)石油工程学院，山东东营 257061

收稿日期:2009-01-31 出版日期:2009-06-16 发布日期:2009-06-16
作者简介:张乐文（1972-），男，山东潍坊人，副教授，博士后，主要从事岩土锚固及注浆理论、应用研究及泥页岩井壁稳定等方面的研究工作.E-mail：lewenzhang@sdu.edu.cn
基金资助:
国家重点基础研究发展计划资助项目（2009CB724607）；山东省自然科学基金面资助项目（Y2007F53）

Research on the wellbore stability model coupled mechanics and chemistry

ZHANG Le-wen，QIU Dao-hong：Geotechnical ＆ Structure Engineering Center, Shandong University, Jinan 250061, China; CHENG Yuan-fang：Engineering Department of Petroleum, University of Petroleum of China, Dongying 257061, China

Received:2009-01-31 Online:2009-06-16 Published:2009-06-16

摘要/Abstract

摘要：

以多孔介质弹性力学理论为基础,以渗流力学理论为纽带,建立泥页岩地层井壁稳定的力学与化学耦合分析模型. 利用该力化耦合模型,可以分析钻井液活度、膜效率等因素对坍塌压力的影响规律,因此可以优选钻井液体系. 为泥页岩井壁稳定研究提供一定的理论依据.

关键词: 膜效率;孔隙压力;力化耦合模型;泥页岩

Abstract:

Based on the poroelasticity theory and seepage mechanics, the wellbore stability model coupled mechanicschemical effect for shale formation was put forth. Rules about activity of drilling fluids and membrane efficiency affecting on wellbore collapse pressure were obtained by the model, which could offer the theoretical basis for research on wellbore stability.

Key words: membrane efficiency； pore pressure； model coupled mechanics and chemistry； shale formation

张乐文邱道宏程远方. 井壁稳定的力化耦合模型研究[J]. 山东大学学报(工学版), 2009, 39(3): 111-114.

ZHANG Le-wen，QIU Dao-hong，CHENG Yuan-fang. Research on the wellbore stability model coupled mechanics and chemistry[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2009, 39(3): 111-114.

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