Page 268 - Enhanced Oil Recovery in Shale and Tight Reservoirs

248 Enhanced Oil Recovery in Shale and Tight Reservoirs

%
RF, 18.4 19.7 33.9 28.5 7.1 10.5

psi
p c , 564.0 507.0
cores.dcont'd Final 327 391 16 24

different angle contact

on Final 62.6 56.6 57.4 32.4 110.9 108.7
surfactants 46

different mN/m IFT, 9.8 9.8 0.4 0.4 21.8 21.8

of 4
alteration alcohol, ammonium quaternary alcohol, ammonium quaternary proprietary proprietary proprietary proprietary

wettability components isodecyl salt isodecyl salt alcohol, alcohol, alcohol,

and Surfactant Ethoxylated quaternary compound, ammonium Ethoxylated quaternary compound, ammonium Methyl sulfonate Methyl sulfonate Methyl ethoxylated, sulfonate
reduction

IFT
of Nonionic/cationic Nonionic/cationic Nonionic/anionic
Capabilities Surfactant Anionic Anionic Water Water

9.4
Table Core 3 4 1 2 5 6