油藏物理李一地层原油的高压物桂 The classification of Ground crude oil 1.by gum-asphalt content small gum-asphalt oil:gum-asphalt content<8% gum-asphalt oil:gum-asphalt content is 8~25%; more gum-asphalt oil:gum-asphalt content>25%.油藏物理学——地层原油的高压物性 1. by gum-asphalt content small gum-asphalt oil： gum-asphalt content ＜8% gum-asphalt oil： gum-asphalt content is 8~25%； more gum-asphalt oil： gum-asphalt content>25%。 The classification of Ground crude oil