Pore-scale investigation on occurrence characteristics and conformance control mechanisms of emulsion in porous media
SU Hang,ZHOU Fujian,LIU Yang,GAO Yajun,CHENG Baoyang,DONG Rencheng,LIANG Tianbo,LI Junjian
Table 3 Parameters of power law fitting formula of the relationship between development phase surface area and volume.
Experimental stage E-W group E-O group
Coefficient Power exponent R2 Coefficient Power exponent R2
After saturating oil 0.263 7 1.174 3 0.996 7 0.265 1 1.174 8 0.997 2
After waterflooding 0.263 6 1.174 6 0.996 7 0.263 8 1.177 6 0.997 1
After emulsion displacement 0.257 2 1.188 7 0.996 4 0.267 5 1.169 4 0.997 6
After subsequent water flooding 0.257 5 1.187 6 0.996 5 0.264 7 1.174 6 0.997 6