Abstract
The ultrasonic compressional (Vp) and shear (V,) ve locities and first-arrival peak amplitude (A p ) were mea sured as functions of differential pressure to 50 MPa and to a state of saturation on 75 different sandstone samples, with porosities ranging from 2 to 30 percent and volume clay content C ranging from 0 to 50 per cent, respectively. Both V p and V, were found to corre late linearly with porosity and clay content in shaly sandstones, At confining pressure of 40 MPa and pore pressure of 1.0 MPa, the best least-squares fits to the velocity data are
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have