| 1. | The method of seismic and reflection wave synthetic seismogram in vti media
介质中地震波反射波合成记录的方法研究 |
| 2. | The results applied to the quality improvement of synthetic seismic records in junggar basin indicate the obvious effects of these methods
上述两种方法在改善地震合成记录质量方面效果明显，已在准噶尔盆地地震合成记录制作中推广应用。 |
| 3. | The comparison between synthetic seismograms of different models indicates that the detail change of porosity and the mode of saturation changing with porosity are more complicated than assumed before
而不同模型的地震合成记录比较说明孔隙度的详细变化以及饱和度随孔隙度变化的模式要比以前假设的情况复杂的多。 |
| 4. | The procedures are high - solution processing , synthetic seismogram and horizon calibration , wavelet extraction , initial model establishment , simulated annealing inversion , and adjustment of multi - parameters restraints
包括高分辨率处理、合成记录及层位标定、子波提取、初始模型建立、模拟退火反演和多参数约束条件的调整等。 |
| 5. | In order to improve the quality of synthetic seismic records , this paper presents two correction methods for logs correlation calculation and logs forward calibration using sonic - density logging suite
摘要以提高合成记录制作质量为目标，研究了严重垮塌井段声波、密度测井数据的校正方法，提出了曲线相关计算和曲线正演两种校正方法。 |
| 6. | This fact has an important implication for extension to 3d configurations . comparing the synthetic seismogram by using cartesian grids with the synthetic seismogram by using the curved grid , it can prove the approach is effective
通过声波模型和弹性波模型在直网格下的合成记录与在曲网格下的合成记录的比较验证了方法的有效性与精确性。 |
| 7. | ( 4 ) wavelet was extracted through the theory of statistic of some trace data . the synthetic seismogram that is calculated by the convolution computation of the practical wavelet and reflection coefficient , matches with the seismogram beside the well better
( 4 )利用多道统计的原理求取地震子波，该实际地震子波与测井资料反映出的反射系数卷积出的合成记录与井旁地震道最佳匹配。 |
| 8. | Thus , the wave equations have to be written in curvilinear coordinates before applying the numerical scheme . because the grid is cartesian in the curvilinear domain , standard pseudospectral technique can be applied . at last the synthetic record of physical configuration can be evaluated
这一映射技术将直角坐标系下的曲界面变换成曲坐标系下的规则界面，在曲坐标系下用伪谱法模拟波场，最后利用插值得到实际波场的合成记录。 |
| 9. | Basing on the analysis and correlation of the7 wells , 8 seismic sequence boundaries are obtained by logging - seismic correlation , based on seismogram synthesis . more over , they can be traced in the studying region . the synchronic sequence stratigraphic framework is established finally
在单井分析和连井对比的基础上，通过合成记录标定、地震层序的分析，识别出8个三级层序界面，而且完成了全区的主干剖面解释，建立了井震统一的等时层序地层格架。 |
| 10. | The cross - well seismic forward modeling program can be applied to geological model that has different velocities and dips to calculate cross - well seismic synthetics for given sources and receivers by ray tracing the least traveltime or four order differential wave equation
研制的井间地震正演合成记录的程序，可用来对不同速度、不同倾角的地质模型，通过最小旅行时的射线追踪或四阶差分声波波动方程，计算出对于给定震源和给定检波点的井间地震合成记录。 |
