A Study on the Morphology of a Dispersed Particle Gel Used as a Profile Control Agent for Improved Oil Recovery

Figure 3

AFM image of DPG prepared using different initial polymer mass concentrations. (The scanned area in Figures 3(a) or 3(b) is 5 × 5 μm.) (a) 3000 mg⋅L⁻¹ polymer + 500 mg⋅L⁻¹ Cr(Ac)₃; (b) 4000 mg⋅L⁻¹ polymer + 500 mg⋅L⁻¹ Cr(Ac)₃.

(a)

(b)