1887

Abstract

N-22 SPECIFIC SURFACE OF CRACKED MEDIA AND ESTIMATION OF POROSITY BY SPLITTING OF SHEAR WAVES B.P. SIBIRIAKOV The Institute of Geophysics RAS (Sib. div.) Koptyg Avenue 3 Novosibirsk 630090 Russia 1 Summary. The product of specific surface σ0 by average length l of a rectilinear segment of a fracture is linked with porosity f. It is shown that the above mentioned product σ0l is a main factor of decrease of velocities of P and S waves in fractured media. Because (at small value of porosity f) f is the quantity far from being small even at small porosity (not a

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/content/papers/10.3997/2214-4609-pdb.15.N-22
2001-06-11
2020-05-31
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