supported by the National Natural Science Foundation of China(40974078);the US Department of Energy(DE-FC2608NT0 005643);the Natural Science Foundation of Shaanxi Province,China (2007D15);North Dakota Industrial Commission with five industrial companies:Encore Acquisition,Hess,Marathon Oil,St.Mary Land & Exploration,and Whiting Petroleum(NDIC-G015-031)
It is known that rock anisotropy can significantly influence the phase and energy velocities of an elastic wave,as well as its reflection/transmission(R/T)coefficients.As a result,it can distort the velocity analysis ...