主要用于重油开采的一种热力采油法。

A thermal method of enhanced oil recovery that is used primarily for heavy oil.

youdao

随着原油储量的递减及原油的深度开采，世界性原油质量逐渐变重、变劣，轻质油品含量降低，必须进行重油轻质化。

Due to the reduction of petroleum reservoir and deeper extraction, the crude oil is heavier and poorer in the world, and the light products in the oil is becoming decreased.

youdao

随着原油储量的递减及原油的深度开采，世界性原油质量逐渐变重、变劣，轻质油品含量降低，必须进行重油轻质化。

Due to the reduction of petroleum reservoir and deeper extraction, the crude oil is heavier and poorer in the world, and the light products in the oil is becoming decreased.

youdao