naphthenic base crude 環烷基原油

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 煉厂气

distillate 餾分

lubricating oil distillate 潤滑油餾分

bottoms(residue) 渣油

neutral oil 中性油

additive 添加劑

multipurpose additive 多效添加劑

thickener 增稠劑

viscosity index improver 粘指劑

pour-point depressant 降凝劑

inhibiter 抑制劑

detergent additives 清淨劑

dispersant additives 分散劑

ashless additive 無灰添加劑

antirust additive(or rust preventive additive or rust inhibiter) 防鏽劑

extreme-pressure additive 极壓劑

antiwear additive 抗磨劑

oilness additive 油性添加劑

anti-oxidant(or oxidation inhibiter) 抗氧劑

antifoam additive 抗泡劑

emulsifying agent 乳化劑