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| 井中激电地-井方式井旁球体正反演 | |
| 引用本文： | 周峰,潘和平,吴国平,徐健,陈滢.井中激电地-井方式井旁球体正反演[J].物探与化探,2008,32(3):321-325. |
| 作者姓名： | 周峰 潘和平 吴国平 徐健 陈滢 |
| 作者单位： | 1. 中国地质大学,地球物理与空间信息学院,湖北,武汉,430074;中国地质大学,信息工程学院,湖北,武汉,430074 2. 中国地质大学,地球物理与空间信息学院,湖北,武汉,430074 3. 中国地质大学,信息工程学院,湖北,武汉,430074 |
| 摘 要： | 以激发极化法中的地-井方式中的体极化球形体作为研究对象,采用解析法对地下半空间的电位场进行求解,利用提取出的井中二次场异常电位差进行反演,得出极化球体的球心离井的距离和球心的埋深。通过计算机进行正反演模拟,验证了进行正反演计算的解析式的正确性,并从物理意义上对正反演过程中出现的现象进行分析。最后给出该方法的适用条件以及注意事项。研究对激发极化法地下勘探目标的定量分析具有明确意义。 |
| 关 键 词： | 井中激发极化 井旁球体正反演 二次场异常电位差 |
| 文章编号： | 1000-8918(2008)03-0321-05 |
| 收稿时间： | 2007-03-13 |
| 修稿时间： | 2007年3月13日 |
FORWARD AND INVERSION OF SPHERE BESIDE WELL IN THE METHOD OF GROUND-WELL INDUCED POLARIZATION |
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| ZHOU Feng,PAN He-ping,WU Guo-ping,XU Jian,CHEN Ying.FORWARD AND INVERSION OF SPHERE BESIDE WELL IN THE METHOD OF GROUND-WELL INDUCED POLARIZATION[J].Geophysical and Geochemical Exploration,2008,32(3):321-325. | |
| Authors: | ZHOU Feng PAN He-ping WU Guo-ping XU Jian CHEN Ying |
| Institution: | 1. Institute of Geophysics &; Geomatics, China University of Geosciences, Wuhan 430074, China; 2. Institute of Information Engineering, China University of Geosciences, Wuhan 430074, Chian |
| Abstract: | This paper researches the sphere beside a well when performed in ground-well IP, forwarding the underground semi-space electric field with analytical solution, and inversing its depth and distance to well by the secondary field abnormal potential differences. We validate the correctness of these forward and inversion formulas by computer simulation, analyze their physical principle, and give their applicable conditions. This research has a definite significance for quantitative analysis of probing the underground objectives with IP. |
| Keywords: | induced polarization in well forward and inversion of sphere beside well the secondary field abnormal potential differences |
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