塔河油田重质油定价水平与混合油密度的确定

近几年西北石油局原油产量呈高速增长的势头，产量结构中“三高型（高含硫，高金属含量，高密度）”重质油所占比重愈来愈大，油品性质逐步变差，造成原油销售难度逐渐加大，油价的逐步走低制约了油田的发展，通过分析新加坡普式报价系统以及国际、国内原油定价方法与原则，确定了塔河重质油应挂靠的国际标准油种为杜里原油，国内可挂靠孤岛重质油，贴水值应挂靠塔里木原油的贴水，同时计算了塔河重质油质量差异值，最终较合理地确定了塔河重质油的价格水平和混合油较合理调兑方案。

Priced Level of Heavy Oil in Tahe Oilfield and Determination of Mixed Oil Density

The crude output of Northwest Petroleum Bureau has been growing rapidly in recent years,in which the heavy oil with high sulphur,high metal content and high density accounts for more and more proportions in output structures.But a heavy oil field's development today is restricted by becoming poor in oil product quality,lowering in oil price,re sulting in increasing difficulty for such a crude sales or marketing.This paper analyzed Japopu's price system and international and domestic methods or principles for crude pricing,hence determined that Tahe heavy oil should be-long to Duri crude in terms of international standard,and Gudao heavy oil in terms of domestic standard;its agio value should be in accordance with the Tarim's.Meanwhile,the paper calculated quality difference value of Tahe heavy oil,based on which the price level for it and more reasonable blending and exchange program are finally and rationally de-termined.