| 水力压裂的二维温度场分析 |
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| 引用本文： | 乔继彤,张若京,姚飞,蒋阗.水力压裂的二维温度场分析[J].同济大学学报(自然科学版),2000,28(4):434-437. |
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| 作者姓名： | 乔继彤 张若京 姚飞 蒋阗 |
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| 作者单位： | 1. 同济大学,固体力学教育部重点实验室,上海,200092
2. 石油勘探开发科学研究院,廊坊分院,河北,廊坊,065007 |
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| 基金项目： | 中国石油天然气总公司“九五”攻关资助项目!（960502） |
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| 摘 要： | 推导出了水力压裂中压裂液的二维温度场方程，考虑了压裂液的热传导、热对流和热耗散以及压裂液与岩石之间的热交换，这个方程与水力压裂三维裂缝模型中描述裂缝宽度与裂缝面上压力关系的积分方程以及压裂液流动方程是耦合的，裂缝延伸判据采用应力强度因子法则，研究了在水力压理解过程中压裂液的温度分布规律，应用有限元数值计算方法，模拟了水力压裂过程中压裂液的温度分布。
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| 关 键 词： | 水力压裂 温度场 数值模拟 油气开采 |
Study of Two-dimensional Temperature Distribution in Hydraulic Fracturing |
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| QIAO Ji-tong,ZHANG Ruo-jing,YAO Fei,JIANG Tian.Study of Two-dimensional Temperature Distribution in Hydraulic Fracturing[J].Journal of Tongji University(Natural Science),2000,28(4):434-437. |
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| Authors: | QIAO Ji-tong ZHANG Ruo-jing YAO Fei JIANG Tian |
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| Abstract: | In order to study the temperature distribution of fracturing fluid in hydraulic fracturing, a two -dimensional temperature equation is obtained, and it includes the effects of heat conduction, heat dissipation and heat exchange between the fluid and the reservoir. The elasticity equation that relates the pressure on the crack faces to the crack opening, and a fracture criterion that relates the intensity of the stress state ahead of the crack front to the critical intensity necessary for tensile fracture of the rock, and fluid flow equation are used. The above equations are solved by the finite element method. Numerical results illustrate the temperature distribution. |
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