Cross-borehole analysis of velocity and density

Abstract

Cross-borehole tomography and borehole gravity meter (BHGM) surveys allow estimations of seismic velocity and rock density to be made in the vicinity of a borehole. Two such surveys recently conducted in Oklahoma and onshore Gulf Coast sediments show some of the first applications of these combined technologies. The results show an encouraging correlation between density and P-wave velocity for these borehole surveys in shallow clastic sediments. Such a correlation is predicted by Gardner's equation.