Low dosage hydrate inhibitor

A low dosage hydrate inhibitor blend comprising a cationic surfactant and a co-surfactant. The cationic surfactant has the structural formula:wherein: R1 is an alkyl group or alkenyl group having from 5 to 22 carbon atoms, R2 and R3 are alkyl groups having from 1 to 6 carbon atoms, R4 is a hydrogen...

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Bibliographische Detailangaben
Hauptverfasser: Lan, Qiang, Monteiro, Deepak S, Vo, Loan, Prince, Philippe
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A low dosage hydrate inhibitor blend comprising a cationic surfactant and a co-surfactant. The cationic surfactant has the structural formula:wherein: R1 is an alkyl group or alkenyl group having from 5 to 22 carbon atoms, R2 and R3 are alkyl groups having from 1 to 6 carbon atoms, R4 is a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms, and X- is selected from the group of a carboxylate, an acrylate, a methacrylate, a halide, a phosphonate, a sulfate, a sulfonate, a hydroxide, a carbonate, or any combination thereof; and The co-surfactant is present in the inhibitor blend in an amount of no greater than about 10 percent by weight based on the total weight of the blend.