Pore space structure and anisotropy properties of small porosity cracked media
B.P. Sibiriakov, S. B. Gorshkalev, W. V. Karsten · Proceedings · 1996
Media, containing cracks, have very special pore space structure. They generally have large specific surface even with very small porosity. It is known that small porosity cracked media are changing their P and S velocities much more than 1-ƒ times for porosity ƒ. Evidently there are different parameters of pore space that are responsible for decreasing P and S velocities. There are models considering isolated ellipsoidals and their aspect ratio is very important parameter of pore space. These models imply strict alignment of cracks. Determinining the aspect ratio is hard since the physical reason for the large axis of the ellibsoids is indefinite.