Inversion for Geofluid Discrimination Based on Poroelasticity and AVO Inversion

Figure 2

AVO curves corresponding to the Zoeppritz equation (green solid line), the Aki-Richards approximate equation (red cross), and our fluid modulus approximation (blue circle) at the incident angle ranging from 0° to 45°: (a) Model 1, (b) Model 2, (c) Model 3, and (d) Model 4 listed in Table 2.

(a)

(b)

(c)

(d)