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- fluctuation in sonic logs 声波时差曲线波动
- Analysis of Fluctuation and Amplitude Increase in Sonic Logs Caused by Fractures in Carbonate Rocks 裂缝性碳酸盐岩储层声波时差曲线的波动和增幅分析
- Depth of investigation in sonic logging is studied based on wave acoustics. 从波动声学的角度讨论声波测井的探测深度问题。
- The fluctuation in range is called straggling. 粒子射程的涨落称为歧离。
- The Head Wave Radial Penetration Depth in Sonic Logging 声波测井中首波的径向探测深度
- Besides we have to bear the risk of fluctuation in exchange rate in these five years. 此外，在这五年中，我们还得冒货币兑换率浮动的危险。
- There are fluctuations in the state of his health. 他的健康状况时好时坏。
- increase in sonic logs 时差增幅
- Gain from fluctuation in foreign currency exchange rate. 凡因外币汇率变动所获得之利益皆属之。
- Fluctuations in temperatures put their results oat by a mile. 由于温度起伏不定，他们的测验结果很不准确。
- It is necessary to process the waveforms of long spacing sonic logs and identify the associated guide waves. 但是必须对长源距声波测井波形进行处理,分辨出相应的导波。
- We have developed a software package for rock mechanical analysis with multipole array sonic logs. 我们开发了一套利用多极组合测井分析岩石力学特征的软件。
- Interest rate generally fluctuates in a cyclical manner. 利率常以周期方式浮动。
- The sonic log measurement is affected both by the irregular variation of caliper and lithology. 声波时差测量结果受井径扩径和岩性变化的双重影响。
- A sonic log compensation model is designed by considering both effects of the variation of caliper and lithology. 设计了一种砂泥岩剖面的变井径变岩性模型,分析了补偿声波测井产生的滑行波的传播路径和常规井径校正方法。
- The log reconstruction method based on neural network is a effective one to improve the quality of sonic log. 基于神经网络的曲线重构法是提高声波测井曲线质量的有效方法。
- The quota price fluctuates in market. 本报价随行就市.
- Using gamma ray log, neutron log, density log and sonic log, with the algorithm of fuzzy clustering, we can realize lithology recognition. 摘要利用测井数据中的自然伽玛、中子、声波和密度测井曲线所蕴含的岩性信息，用模糊聚类算法实现岩性的自动划分。
- A heavy-rimmed rotating wheel used to minimize variations in angular velocity and revolutions per minute, as in a machine subject to fluctuation in drive and load. 飞轮一种用于减小拐弯时速度变化和每分钟转数的粗边转轮，如减小机械在运行或装载中的变化
- In this paper an evaluation model for rock drillability and sonic logs is presented by analysing the relationship between sonic moveout and geological fact... 通过分析声波时差与影响岩石可钻性地质因素的关系,建立了声波时差与岩石可钻性指数的评价模型。
