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1, The P wave, or compressional wave, alternately compresses and expands material in the same direction it is traveling.
2, For clean sandstone, the acoustic dispersion of compressional wave exists obviously when its porosity is more than 28%.
3, Three component data acquisition with compressional wave source was applied to YC area for predicting fracture reservoir characters.
4, Creeping wave is a type of compressional wave, which propagates below the surface and is sensitive to surface and near-surface defects.
5, So gas hydrate saturation can be obtained from compressional wave velocity based on thermoelasticity.
6, The compressional wave components of Rayleigh wave energy would slightly increase with the decreasing saturation.
7, The thermal wave and the viscous wave as well as the compressional wave are considered in the multiple scattering process among suspended particles.
8, In well permeable zones, the amplitude of Stoneley wave is lower, that of the compressional wave higher and the ratio small.
9, With the use of reciprocal principle in seismic wave propagation, the algorithm may be used to compute the travel times of reflected compressional wave or converted shear wave.
10, There are two kinds of elastic waves in solids a compressional wave and a transverse wave.
11, By increasing the number of the elements, the amplitudes of compressional wave and shear wave are enhanced in the generation condition.
12, Maximum offset of converted wave is greater than that of compressional wave for the same stretch.
13, It is pointed out that there often occur low frequency sparse compressional wave and low frequency SV surface wave in loose shot layer,[http://sentencedict.com/compressional wave.html] their approximate analytic solution being offered also.
14, AVO phenomenon relating to petrophysical parameters can be seen in both compressional wave and shear wave.
15, Experiments in laboratory and sea beach are conducted separately. In this experiment, compressional wave velocity and attenuation coefficient are measured using this system.
16, By comparison with other logging data, the amplitude of Stoneley wave and the ratio of Stoneley wave amplitude to compressional wave amplitude are related to formation permeability.
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