Research Article

Enhanced Heavy Oil Recovery in Mild Conditions by /- Solid Superacid Prepared by Different Methods

Table 2

The viscosity value and viscosity reduction rate of heavy oil after 24 h of hydrothermolysis reaction at 180°C with different catalysts.

SampleViscosity (mP·s)Viscosity reduction rate

Heavy oil feed80500
No catalyst5129036.3%
ZT-I3750053.4%
ZT-H3290059.1%
CTAB@ZT-H-C2713066.3%