Study on stability of heavy crude oil - in - water emulsion 型乳状液稳定性的研究
Experimental study on enhanced deaquation process for extra - heavy crude oil using dehydrant 8烯烃氢甲酰化反应条件的研究
Injection - steam boiler miniaturization technological study for heavy crude oil thermal recovery of liaohe offshore oil field 辽河海上稠油热采注蒸汽锅炉小型化技术研究
A new surfactant heavy crude oil sulfonates ( hcos ) was synthesized from daqing heidimiao oil with fuming sulfuric acid 考察了酸烃比、反应温度、反应时间对磺化反应的影响。
百科解释
Heavy crude oil or extra heavy crude oil is any type of crude oil which does not flow easily. It is referred to as "heavy" because its density or specific gravity is higher than that of light crude oil.