The main factors and rules in aqua-thermolysis reaction were analyzed through comparison of viscosity,asphaltene and sulfur content before and after super heavy oil upgrading.

• 通过超稠油水热裂解反应前后黏度、沥青质、硫质量分数等性质的变化,研究了超稠油进行水热裂解的主要影响因素及规律。