Oil-in-water emulsion type paraffin remover as well as preparation method and application thereof

The invention discloses an oil-in-water emulsion type paraffin remover as well as a preparation method and application thereof. The oil-in-water emulsion type paraffin remover comprises the following components in percentage by mass: 40-50% of an organic solvent; 0.3% to 0.51% of a surfactant; 5%-10% of a mutual solvent; 0.5%-1.0% of an alkaline regulator; and the balance of distilled water. Wherein the organic solvent comprises kerosene and an aromatic hydrocarbon solvent, and the aromatic hydrocarbon solvent comprises xylene and a high-boiling-point aromatic hydrocarbon solvent. The oil-in-water emulsion type paraffin remover disclosed by the invention is proper in component formula, good in synergism and strong in paraffin removal capacity. The oil-in-water emulsion type paraffin remover disclosed by the invention can be used for removing paraffin deposition in a gas well shaft and an oil well shaft, and has the characteristics of high paraffin removal rate, safety in use, low toxicity and environment frie