Inversion for Geofluid Discrimination Based on Poroelasticity and AVO Inversion

Figure 1

The relationships of the coefficients of the four terms in equation (15) with the incident angle ranging from 0° to 60° for three dry rock velocity ratios of (red solid line), (blue dotted line), and (green dashed line). The coefficients of the term of (a) , (b) , (c) , and (d) .

(a)

(b)

(c)

(d)