relationship between viscosity and temperature of heavy oil and heavy oil emulsion is matched. wax precipitation point of heavy oil is 50 ℃. up and down wax precipitation point, curves of viscosity-temperature are straight lines respectively under semilog coordination, and regression coefficient is high.
对江37区块稠油及稠油乳状液的黏温关系进行了拟合,稠油的析蜡点为50℃,析蜡点前后,在半对数坐标系中,黏温曲线分别为直线,回归系数较高。
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