| 主权项 |
1. A method of resolving a reverse emulsion in produced fluid of an oil production system comprising adding a reverse emulsion breaker to a produced fluid of the oil production system in an amount effective for resolving the reverse emulsion, the reverse emulsion breaker comprising a structured copolymer derived from the monomers of Formulae 1, 2, and 3:wherein
R1, R2, and R3 are independently hydrogen or alkyl; R4, R5, R6, R7, and R8 are independently alkyl; A is independently —NH— or −O—; p and q are independently an integer from 1 to 6; and the weight average molecular weight of the structured copolymer is from about 20,000 to about 2,000,000 Daltons. |
