A low dosage hydrate inhibitor blend and a method of treating a well fluid are provided. The low dosage inhibitor blend, which s used in the method, comprises a first cationic surfactant and a second cationic surfactant. For example, the combination of the first and second cationic surfactants in the low dosage inhibitor blend achieves a synergistic effect on the ability of the inhibitor blend to mitigate problems caused by the formation of gas hydrates in a well fluid.
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