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探测远离井眼几十米以至上千米的矿体无疑是困难的,但又是很有意义的。本文从这一目的出发,提出了有效的测井方法,并以球体为例对其理论公式作了推导,分析了矿体参数与测井曲线特征值的关系。为了增强异常幅度及获取可靠的异常值,提出了相应的技术措施。制作的定量解释图版可以求得矿体的位置、大小和电阻率。为验证方法的可靠性,作者作了模拟实验。最后讨论了方法的应用条件和范围,并对本方法应用的前景发表了看法。
It is undoubtedly difficult but not unreasonable to detect ore bodies that are tens to tens of kilometers away from the wellbore. Starting from this purpose, an effective logging method is proposed in this paper. Taking the sphere as an example, the theoretical formula is deduced, and the relationship between the ore body parameters and the eigenvalues of the logging curve is analyzed. In order to enhance the anomalous amplitude and obtain reliable outliers, corresponding technical measures are put forward. Production of quantitative interpretation of the plate can be obtained ore body position, size and resistivity. To verify the reliability of the method, the author made a simulation experiment. Finally, the application conditions and scope of the method are discussed, and the prospect of application of the method is expressed.