COMPOSITION FOR REMOVAL OF ASPHALTENE-RESINOUS-PARAFFIN ACCUMULATIONS Russian patent published in 2002 - IPC

Abstract RU 2183650 C1

FIELD: oil production, particularly, compositions for removal of asphaltene-resinous-paraffin accumulation from bottom-hole formation zones, flow lines, oil-gathering mains and oil field equipment of oil producing and processing enterprises. SUBSTANCE: composition contains aliphatic and aromatic hydrocarbons, polar nonelectrolyte, nonionic and cationic sucfactants. It additionally contains solvent heavy absorber-A-2 with the following ratio of ingredients, vol. %: aliphatic hydrocarbons, 50-85; polar nonelectrolyte, 2-5; nonionic surfactant, 1-2; cationic surfactant, 1-2; solvent heavy absorbent-A-2, 7-22; aromatic hydrocarbons, the balance. EFFECT: increased efficiency of composition for removal of asphaltene-resinous-paraffin accumulations. 1 tbl

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RU 2 183 650 C1

Authors

Ragulin V.V.

Mikhajlov A.G.

Khasanov M.M.

Smoljanets E.F.

Dates

2002-06-20—Published

2001-05-25—Filed