| 过套管地层电阻率测井方法研究 |
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| 引用本文： | 程希,余坤,翟芳芳.过套管地层电阻率测井方法研究[J].国外测井技术,2007,22(3):26-27,31. |
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| 作者姓名： | 程希 余坤 翟芳芳 |
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| 作者单位： | 中国石油集团测井有限公司，中国石油集团测井有限公司，西南石油大学石油工程测井实验室 陕西 西安710021，陕西 西安710021 |
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| 基金项目： | 本文受四川省高校石油工程测井重点实验室（西南石油大学）基金项目20062D046资助.致谢：本文的完成得到了中国石油大学沈金松、高杰和西安石油大学张家田等老师的指导和帮助,在此表示感谢. |
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| 摘 要： | 过套管电阻率测井(TCRL)技术的核心在于精确测量进入地层那部分电流所产生的微弱电压差。文中探讨了如何用数值方法计算测量信号的大小,模拟并分析了测井条件下地层电阻率曲线的响应特征,利用微弱信号检测技术得到测量信号,为过套管地层电阻率测井仪器设计实现提供理论指导和帮助。应用实例表明,在油气藏开发中,过套管电阻率测井可动态监测剩余油的变化。
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| 关 键 词： | 过套管电阻率测井 数值模拟 微弱信号检测 剩余油监测 |
Research of Casd Hole Formation Ressitivity Logging Method |
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| Cheng Xi,Yu Kun,Zhai Fangfang.Research of Casd Hole Formation Ressitivity Logging Method[J].World Well Logging Technology,2007,22(3):26-27,31. |
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| Authors: | Cheng Xi Yu Kun Zhai Fangfang |
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| Affiliation: | Cheng Xi Yu Kun Zhai Fangfang CNPC Well Logging Limited Company |
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| Abstract: | The kernel of cased hole formation resistivity well logging technology lies in accurate measurement of the small voltage difference brought by the electric current entering into formation.It is discussed in the paper how to calculate the measured signals with numerical technique. The response characters of formation ressitivity curves are simulated and analysed under well logging.The small signal detection technique provides theoretic guidance and help for design of cased hole formation resistivity logging tool.Practical applications show that it can moni- tor the remaining oil dynamically in reservoir development. |
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| Keywords: | cased hole formation resistivity well logging numerical simulation small signal detection remaining oil monitoring |
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