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Mid Term Practical Exam of GPH 413


The given disk contains two file (vpp.txt and rick.txt). vpp.txt is an ASCII file contains the recorded sonic log on a borehole. The data interval of the sonic is 5 ft. rick.txt contains a 40 Hz seismic source wavelet of ricker form. Use both files to:-


1.     Calculate the reflection coefficient of the subsurface layers.

2.     Convert the reflection coefficient from depth scale to time scale.

3.     Generate the corresponding seismic trace.

4.     plot the sonic data, reflection coefficient in depth and time scale, and the generated seismic trace.


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