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High acidity crude oils have an advantage over normal oils in terms of their price,but can cause corrosion and refinery problems.They are the so-called opportunity crudes and likely to be important reserved resources in the 21st century.Researches on high acidity crude oils are becoming more and more profound.Based on the existing research achievements,this article has given an overview of the chemical composition and acid distribution of high acidity oils,and also analyzed their origin types and potential influence factors.
High acidity crude oils have an advantage over normal oils in terms of their price, but can cause corrosion and refinery problems. They are the so-called opportunity crudes and likely to be important reserved resources in the 21st century. Researches on high acidity crude oils are becoming more and more profound.Based on the existing research achievements, this article has given an overview of the chemical composition and acid distribution of high acidity oils, and also analyzed their origin types and potential influence factors.