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

Claim 3:
4. The method of claim 1 where the oil-wetting additive comprises a surface-active additive selected from the group consisting of:
a drilling fluid additive selected from the group consisting of alkyl sulfonate surfactants and blends of an alkyl sulfonate surfactant, propylene glycol, and an alcohol;
a surfactant selected from the group consisting of surfactants having a hydrophobic-lipophilic balance between about 3 and about 6; and
an antifoulant selected from the group consisting of polyalkylsuccinimides, mixtures of the reaction product of an olefin with an anhydride and a peroxide and a polyolefin amide alkeneamine, a reaction product of a polyolefin phenol with an amine, a fatty acid, and formaldehyde; and
combinations thereof.