Experimental Study of Complex Resistivity Characteristics of a Sandstone Reservoir under Different Measurement Conditions

Figure 7

(a–d) The amplitude and phase curves of the complex resistivities of samples 1, 2, 3, and 5 under different simulated formation depths, respectively. The left column shows the complex resistivity amplitude curves, and the right column shows the complex resistivity phase curves.

(a)

(b)

(c)

(d)