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- While testing in moderate or low permeabile,the pressure logging curves often reveal sawteeth. 重复式地层测试器(RFT)在中低渗透层进行压力测试时,压力测井曲线往往呈锯齿状。
- Several logging curves are integrated into one in order to improve the measurement accuracy of C/O log. 将多条曲线合并成单条曲线,以提高碳氧比测井的精度。
- The results show that it is obvious for the fBM interpolation to improve the vertical resolution of the logging curves. 结果表明分数布朗插值对于提高测井曲线纵向分辨率具有明显效果。
- Based on dichotomy, proposed is a dichotomy step-length vectorization method that vectorizes log curves. 基于二分的思想,提出了二分步长的矢量化方法,并用该方法对测井曲线进行了矢量化。
- In the paper,the discriminant function is derived from the Fisher principle to distinguish large pore paths in sandstone oil layers based on logging curves. 根据测井曲线,运用费歇准则导出了识别砂岩油层大孔道的判别函数,判别函数是测井曲线的线性组合。
- In the core normalization,the logging curves are interpolated with this technique so that the vertical resolution of the logging curves is identical with core sample size. 在岩心归位中,用该方法对测井曲线作插值处理,使测井曲线的纵向分辨率与采样岩心尺寸一致,然后进行相关分析。
- The three-porosity crossplot approach cannot reach the normalization of log curves when the formation is un-dercompacted and loosen. 由于三孔隙度交会图法不能解决欠压实、疏松岩性地层的测井曲线标准化问题,所以对其进行了改进。
- Based on geolo-gy background of oil field, waterflooding properties and flooding types , this method showshow waterflooded strata in oil field are reflected on logging curves. 该方法根据油田地质基础、水驱油特点和水淹类型说明注淡水开发的油田中,水淹层在测井曲线上的显示特征及其基本原理。
- In this paper,we preaent a nonparamter approximative advantage method,by means of which we can carry out synthetic stratification for multi-well logging curves. 本文提出了多条测井曲线进行综合分层的一种非参数拟合优度法。具有计算速度快,而且由计算过程确定最佳分层。
- It results in the falsification on acoustic logging curves, which has effect on the correlation between composite seismogram and actual seismic section. 该文根据实测井径资料 ,提出了浅层声波测井曲线校正方法。
- Please provide a Gamma-Ray logging curve with exact depth. 请给提供一份深度精确的自然伽马测井曲线。
- The information of petroliferous reservoir is hided in the level of differential waveform complexity between the resistivity and porosity log curves of reservoirs. 储层的孔隙度和电阻率曲线间微差形态波形的复杂程度隐含着储层含油气性的信息。
- The experimental results show this method not only insures higher vectorization precision of log curves and larger compression data but also lowers drawings recorded. 实验结果表明,该方法不仅可以确保测井曲线的矢量化精度,而且还大大减少了要记录的矢量数据。
- Grainsize, energy and water depth work together to indicate sedimentary setting.The above factors can be reflected directly or indirectly from logging curves of natural potential and resistivity. 粒度、能量和水深诸因素综合起来可指示沉积环境,这些因素在自然电位和电阻率测井曲线上可得到直接或间接的反映。
- DSP is adopted as downhole tool interface and control circuits,CTS data transmission technology is applied to this digital sonic tool,and good waves datum and satisfactory logging curves are achieved. 由于采用了DSP技术做井下仪器的控制和接口,将国内普遍应用的CTS遥传系统应用于数字声波测井仪器的数据传输,在现场测试中得到了优良的声波波列数据和满意的测井效果。
- The petrologic characteristics,sedimentary structures,well log curves and paleontology of the Lower Devonian F4 reservoir in the Zarzaitine Oilfield of Algeria were analyzed from a multi-disciplinary aspect. 阿尔及利亚Zarzaitine油田下泥盆统F4层油藏已开发了40多年,但对其储集层的沉积特征及分布却认识不清,严重制约了该油田剩余油挖潜和开发调整方案的整体部署。
- Well logging curve shape identification is needed in study of logging sedimentology and logging sequence stratigraphy. 为了进行测井沉积学和测井层序地层学的研究,需要对测井曲线形态进行识别。
- Logging curve is used to calculate the difference between formation pressure and measured RFT pressure. 二是在钻关管理中利用小层压力资料调控地层压力剖面,并制定钻关恢复方案;
- Based on Walsh function commonly used in geophysics, an inversion algorithm of the acoustic logging curve is presented. 在地球物理常用的沃尔什函数法基础上,提出了声波测井曲线的沃尔什反演法;
- Error analysis shows that calibrated density well logging curve, in contrast to the original logging curves, have declined absolute and relative error with core porosity. 误差分析表明,校正后的密度测井曲线与原测井曲线相比降低了与岩心孔隙度的绝对误差和相对误差。