Page 412 - Enhanced Oil Recovery in Shale and Tight Reservoirs
P. 412
382 Enhanced Oil Recovery in Shale and Tight Reservoirs
Designated name fluid the for C1 C2 C3 T1 T2 T3
and and
function reduction reduction reduction reduction
Primary fluid of case Base IFT IFT wettability alteration case Base IFT IFT wettability alteration
17.79 6.12 10.45 11.14 10.48
angle, ( ) ( ) ( ) ( ) ( ) 6.68 ( )
Contact degrees 120.78 145.62 41.76 112.81 144.23 44.05
used Conventional sandstone sandstoneeCrab
used. Rock Berea Tight Orchard
solutions mN/ oil 1.2 0.06 0.04 1.2 0.06 0.04
the with ( ) ( ) ( ) ( ) ( ) ( )
of IFT m 25 0.58 0.68 25 0.58 0.68
angles
contact Concentration - wt.% 0.2 wt.% 0.2 e wt.% 0.2 wt.% 0.2
and
IFT fluid
12.2 water surfactant surfactant water surfactant surfactant
Table Aqueous DI Nonionic Anionic DI Nonionic Anionic

