《油气藏储集层测井评价技术》 曾文冲 石油工业出版社 1991 第一章 自然电位测井(SP log) 本章重点：主要讲解自然电位测井的基本原理、曲线形态、影响因素、地质应用。 第一节 自然电位基本原理 一、产生的原因 1.
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sp log difference 自然电位幅度差
What's more, Splog makes it more difficult for web users to access web content in high quality and it decreases the degree of users' satisfaction. The study of this dissertation is based on the analysis towards other web spamming techniques.
垃圾博客的存在不仅是对网络带宽资源及存储资源极大的浪费和消耗,更重要的是它增加了网民获取高质量信息的难度,降低了用户进行网络搜索体验的满意度。
参考来源 - 支持Splog过滤的博客搜集系统研究与设计·2,447,543篇论文数据，部分数据来源于NoteExpress
Therefore, a method, which determines the resistivity of formation water in flooded layers with SP log, is given in this paper.
为解决这一问题，提出了一种利用自然电位(SP)曲线直接求水淹层内地层水电阻率的方法。
Spontaneous potential (SP) of a formation has tight relationship with salinity of formation liquid, the salinity of mud filtrate in invaded zone affects SP log considerably.
自然电位与地层流体的矿化度有密切关系，侵入带中泥浆滤液的矿化度对自然电位测井有较大的影响。
The method, by means of non-linear algorithm of neural network technology, is used to set up a non-linear relation among sonic log curve, SP, Rt, Gr and curves.
该方法通过神经网络技术的非线性算法，在声波曲线与自然电位、电阻率、自然伽马等多条测井曲线之间建立一种非线性关系。
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