naphthenic base crude 环烷基原油

mixed base crude 混合基原油

sour crude 含硫原油

feedstock oil 原料油

natural gas 天然气

refinery gas 炼厂气

distillate 馏分

lubricating oil distillate 润滑油馏分

bottoms(residue) 渣油

neutral oil 中性油

additive 添加剂

multipurpose additive 多效添加剂

thickener 增稠剂

viscosity index improver 粘指剂

pour-point depressant 降凝剂

inhibiter 抑制剂

detergent additives 清净剂

dispersant additives 分散剂

ashless additive 无灰添加剂

antirust additive(or rust preventive additive or rust inhibiter) 防锈剂

extreme-pressure additive 极压剂

antiwear additive 抗磨剂

oilness additive 油性添加剂

anti-oxidant(or oxidation inhibiter) 抗氧剂

antifoam additive 抗泡剂

emulsifying agent 乳化剂