问答题
原油不是一种处于平衡的混合物，从地质年代表上看，他的组成在慢慢地发生变化。
翻译：The producing gas-oil R is the radio of the volumetr...
问答题翻译：The producing gas-oil R is the radio of the volumetric gas production rate to the volumetric oil production rate, both at surface.
翻译：The gas saturation is obtained in the same manner as...
问答题翻译：The gas saturation is obtained in the same manner as the retort.
翻译：These reservoirs can be classified according to rock...
问答题翻译：These reservoirs can be classified according to rock types, depending on variations in source rock, transport distance, and depositional environment.
