Patent ID: 11970661
Assignee: YANGTZE UNIVERSITY
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A combined catalytic viscosity reducing system, comprising four slugs, the four slugs are a catalyst slug, a heat generating system slug, a gas injection slug, and a water-soluble viscosity reducing system slug;
the catalyst slug, according to mass percentage, including: 10%-15% of azacarbene iron, 15%-30% of tert-butyl hydroperoxide, 2%-5% of phosphoric acid, 2%-5% of hydrogen donor, and 0.5%-1% of emulsifier agent, and others are solvent, totaling 100%;
the heat generating system slug, according to mass percentage, includes 10%-30% of NaNO2, 8%-25% of NH4Cl, and 3%-10% of acid initiator, and others are water, totaling 100%;
the water-soluble viscosity reducing system slug, according to mass percentage, includes 0.2%-0.5% of surfactant and 2%-10% of alkali, and others are water, totaling 100%.