DEPRESSOR ADDITIVE FOR PARAFFIN OILS AND PREVENTING DEPOSITS OF ASPHALTS, RESINS AND PARAFFINS Russian patent published in 2015 - IPC C10L1/00 C10L1/182 C10L1/22 C10L10/16 

Abstract RU 2558359 C1

FIELD: oil and gas industry.

SUBSTANCE: invention describes depressor additive for paraffin oils and preventing deposits of asphalts, resins that contains ethylene and vinyl acetate copolymer, nonionic surfactant and solvent. It contains block copolymer of ethylene and propylene oxides or oxyethylated alkyl phenol or oxyethylated fatty amine as nonionic surfactant, aromatic solvent as solvent and ethylene glycol monobutyl ether additionally with the following ration of components, wt %: ethylene and vinyl acetate copolymer 5-15, block copolymer of ethylene and propylene oxides or oxyethylated alkyl phenol or oxyethylated fatty amine 5-15, ethylene glycol monobutyl ether 0-2, aromatic solvent - remaining share.

EFFECT: additive has low chilling temperature and prevents effectively deposits of asphalts, resins in regard to water cut oils and oil and gas condensates.

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RU 2 558 359 C1

Authors

Nasybullina Alisa Shamilevna

Rakhmatullina Gadilja Masgutovna

Lebedev Nikolaj Alekseevich

Dates

2015-08-10Published

2014-07-23Filed