The main method is got a the relation ship be t ween the high pressure are the oil parameters by using the polynomial matching m ethod based on the present data in the oilfield.

• 主要方法是根据各油田有代表性的高压物性资料,采用多项式的方法对实测点进行拟合,得出原油的高压物性与地层压力之间的关系式;