Novel dithiocarbamate composition and method of use thereof.

摘要

The invention provides composition comprising a compound represented by the formula: <CHEM> wherein: R represents alkyl or alkenyl radicals having from about 8 to about 25 carbon atoms; R1 and R2 independently represent -C(=S)S(-) or <CHEM> provided that at least one of R1 or R2 represents -C(=S)S(-); x represents an integer of 1 to 3; and Z represents a positively charge salt forming radical represented by the general formula: <CHEM> wherein: R3 represents <CHEM> Reduction of asphaltenic precipitation in asphaltenic subterranean reservoirs treated with strong acid is achieved by utilizing the aforementioned composition to sequester iron.