Emulsified cleaning agent as well as preparation method and application thereof

The invention relates to an emulsified cleaning agent which comprises diethanol amine, potassium hydroxide, light diesel oil and paraffin. The invention also provides a preparation method of the emulsified cleaning agent. The emulsifying cleaning agent has high emulsifying capacity, can effectively emulsify oil films and residual oil, is especially suitable for cleaning oil-based drilling fluid, and can achieve the purpose of effectively cleaning the oil-based drilling fluid. 本发明涉及一种乳化清洗剂，包括二乙醇胺、氢氧化钾、轻柴油和石蜡。本发明还提供了一种乳化清洗剂的制备方法。本发明的乳化清洗剂具有很好的乳化能力，能够有效乳化油膜和残油，尤其适合清洗油基钻井液，能够达到有效清洗油基钻井液的目的。