Process for the removal of solid resìduos asphalt from crude oil production

摘要

Invention patent: b "process for removal of solid resu00ecduos asphalt from crude oil production" d .It is described the use of fatty acid esters of general formula (I), R ^ 1 ^ - COO - (C ~ n ~ H ~ 2n ~) ~ x ~ - R ^ 2 ^.In which R ^ 1 ^ represents an alkyl radical having 6 to 22 C atoms or represents a radical (CH ~ 2 ~) ~ m ~ - coor ^ 4 ^.In which R ^ 2, R ^ 4 ^ ^ and independently represent an alkyl radical with 1 to 8 C atoms.N represents a number of 2 or 3, and M is a number from 1 to 6 and X is equal to 0 or represents a number between 1 and 12.For removal of solid waste asphalt surface production facilities or the formation surrounding the well drilling of petroleum production and processing.