Page 411 - Enhanced Oil Recovery in Shale and Tight Reservoirs

382
Designated
name
T2
T3
T1
C3
and
and
function
reduction
reduction
reduction
wettability
wettability
alteration
alteration
case
Primary
Base
IFT
IFT
IFT
11.14
10.48
10.45
6.68
angle,
( )
( )
( )
( )
Contact
144.23
112.81
44.05
41.76
sandstoneeCrab
used fluid the for fluid of degrees C1 case Base 17.79 ( ) 120.78 Conventional C2 reduction IFT 6.12 ( ) 145.62 sandstone Enhanced Oil Recovery in Shale and Tight Reservoirs
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