Oilfield cleaner and corrosion inhibitor comprising a polyamine sulfonic acid salt

A composition for inhibiting corrosion and/or removing hydrocarbonaceous deposits in oil and gas applications, the composition comprising a polyamine sulfonic acid salt component and a corrosion inhibitor selected from the group consisting of:

• (A) an imidazoline of Formula (I) or an imidazolinium salt of Formula (II):
• wherein
• R10 is a C1-C20 alkyl or a C1-C20 alkoxyalkyl group;
• R12 and R13 are independently a C1-C6 alkyl group or hydrogen,
• R11 and R14 are independently hydrogen, C1-C6 alkyl, C1-C6 hydroxyalkyl, or C1-C6 arylalkyl;
• and
• X− is halide, chloride, bromide, iodide, carbonate, sulfonate, phosphate, or an anion of an organic carboxylic acid;
• or a tautomer thereof;
• (B) a compound of Formula (III):
• wherein
• R9 is an alkyl group, an aryl group, or an arylalkyl group, wherein said alkyl groups have from 1 to about 18 carbon atom;
• and
• X− is chloride, bromide, or iodide;
• or
• (C) an ethoxylated amine.