The heavy oil in Dongying depression has the characteristics of high density, high viscosity and high content of gum and asphaltine.

• 东营凹陷稠油密度高、粘度大、胶质和沥青质含量高。大部分蚀变的稠油密度与粘度的对数呈线性关系，而低成熟稠油则呈特殊的变化关系。