Patent ID: 9656889
Date: 2017-05-23
CPC Classifications: B01D,C02F,E21B

Claim:
1. A method for treating an oilfield production fluid, comprising: supplying at least one surface active compound into contact with an oilfield production fluid comprising a mixture of water and oil including water-soluble organics, wherein the at least one surface active compound comprises amino groups, each amino group being linked to at least one alkoxylate chain, and at least one sulfosuccinate end group attached to each of the at least one alkoxylate chain, the sulfosuccinate end group having protonizeable carboxylate and sulfonate functionality, and depressurizing the oilfield production fluid, wherein the at least one surface active compound self-associates at interfaces between the water and oil and inhibits the water-soluble organics in the oil from entering the water when the oilfield production fluid is depressurized.