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Pore-scale investigation on occurrence characteristics and conformance control mechanisms of emulsion in porous media
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SU Hang,ZHOU Fujian,LIU Yang,GAO Yajun,CHENG Baoyang,DONG Rencheng,LIANG Tianbo,LI Junjian
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Table 2 Parameters of power law fitting formula of development phase volume distribution frequency.
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| Experimental stage | E-W group | E-O group | | Coefficient | Power exponent | R2 | Coefficient | Power exponent | R2 | | After saturating oil | 1.404 5 | -1.733 | 0.958 6 | 1.144 8 | -1.726 | 0.970 9 | | After waterflooding | 1.149 3 | -1.676 | 0.968 5 | 1.241 3 | -1.751 | 0.971 1 | | After emulsion displacement | 1.098 9 | -1.657 | 0.968 7 | 0.997 2 | -1.701 | 0.984 2 | | After subsequent water flooding | 1.094 9 | -1.660 | 0.967 3 | 1.118 8 | -1.694 | 0.983 3 |
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