Patent ID: 11898106
Assignee: BAKER HUGHES OILFIELD OPERATIONS LLC
Field: Basic materials chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A method of retaining solid contaminants in a hydrocarbon phase comprising:
adding to a mixture of the hydrocarbon phase and an aqueous phase, where the mixture comprises solid contaminants, an additive composition comprising an effective amount of an oil-wetting additive to retain at least a portion of the solid contaminants in the hydrocarbon phase as contrasted with the aqueous phase, where the oil-wetting additive comprises a surface-active additive selected from the group consisting of drilling fluid additives, surfactants, antifoulants, and combinations thereof, wherein the additive composition further comprises a demulsifier comprising a nonylphenol resin oxyalkylate blended with an aromatic solvent and an oxyalkylated alkyl phenol resin selected from the group consisting of p-t-amylphenol resin oxyalkylate and p-t-butylphenol resin oxyalkylate.