An algebraic reconstruction technique for weakly anisotropic velocity

Laboratory measurements and field experiments indicate that many sedimentary rocks display velocity anisotropy (Robertson and Corrigan, 1983; White et al., 1983; Thomsen, 1986; Winterstein, 1986; Gaiser et al., 1987). Accounting for anisotropy is proving important in several areas including the processing and interpretation of shear-wave data (Lynn and Thomsen, 1986; Bush and Crampin, 1987) and the integration of vertical seismic profile (VSP) data and surface seismic data (Chiu and Stewart, 1987a).