Aimed at the difficulty of heavy oil development and the high price of general surfactant as emulsifying agent,the probability of sodium humate as emulsifying agent was discussed.

• 针对稠油油藏开采难度大,采用常规乳化用表面活性剂费用高的现状,研究廉价的褐煤腐植酸钠作为稠油乳化剂的可能性。