Based on mass data analyses, the changes of sulfur, paraffin, colloid and asphaltene contents of crude oil in profile are studied.
Based on mass data analyses, the changes of sulfur, paraffin, colloid and asphaltene contents of crude oil in profile are studied.
摘要根据大量分析资料，研究了石油中的硫、石蜡、胶质和沥青质在剖面上的变化规律。