油藏物理李一地层原油的高压物桂 3、by sulphur content o small sulphur oil:S<0.5% sulphur oil:S:0.5%2% ⊙more sulphur:S>2%。油藏物理学——地层原油的高压物性 3﹑by sulphur content small sulphur oil：S<0.5% sulphur oil：S:0.5%~2% more sulphur: S＞2%