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Water-based viscosity reducer for emulsifying ultra-heavy oil and preparation method thereof

机译:乳化超稠油用水基降粘剂及其制备方法

摘要

A water-based viscosity reducer for emulsifying ultra-heavy oil and a preparation method thereof is provided, where the viscosity reducer includes the following components (based on 100 parts by weight): 0.7 to 4 parts of surfactant, 0 to 10 parts of oil phase, and the balance being a water phase; and the preparation method thereof is stirring the surfactant, the oil phase, and the water phase at room temperature for mixing evenly, to form the water-based viscosity reducer for emulsifying ultra-heavy oil. The invention greatly improves the overall surface activity by using the synergistic effect generated by the compounding of surfactants, and can significantly reduce oil-water interfacial tension. It is especially suitable for emulsifying viscosity reduction of alkali-sensitive stratum, has characteristics such as low cost, safety, and simple preparation, and can effectively enhance heavy oil recovery.
机译:一种用于乳化超稠油的水基降粘剂及其制备方法,其中,所述降粘剂包括以下组分(以100重量份计):表面活性剂0.7~4份,油相0~10份,天平为水相;其制备方法是在室温下将表面活性剂、油相、水相搅拌均匀,形成乳化超稠油的水基降粘剂。本发明利用表面活性剂复配产生的协同效应,大大提高了整体表面活性,并能显著降低油水界面张力。特别适用于碱敏感地层的乳化降粘,具有成本低、安全、制备简单等特点,能有效提高稠油采收率。

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