COMPOSITION FOR OIL PRODUCTION AND TRANSPORTATION Russian patent published in 2021 - IPC C09K8/524 

FIELD: oil industry and transportation.

SUBSTANCE: invention relates to oil production and pipeline transport of oil and petroleum products and can be used to prevent the formation of asphalt-resin-paraffin deposits in the bottom-hole zone of oil wells and in oil pipelines, to reduce the viscosity during the transportation of high-viscosity types of oil and to destroy oil-water emulsions. The composition for preventing the formation of asphaltene-resin-paraffin deposits contains, by weight percentage: sodium alkylbenzenesulfonate 15-25; nonionic surfactant with 6-13 hydroxyethylated groups 3-8; oxy-leaded phosphoric acid alkyl ether or its potassium or ethanolamine salt 1-4; hydrocarbon solvent 6-12; aliphatic alcohol C1-C3 8-12; sodium hydroxide NaOH or potassium hydroxide KOH 5-15; sodium alkane sulfate being the rest.

EFFECT: increase in the efficiency of preventing the formation of asphalt-resin-paraffin deposits while simultaneously reducing the viscosity of high-viscosity oils and demulsification of oil-water emulsions.

1 cl, 2 tbl, 3 ex