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地化热解资料不同组分所受影响因素不同,这些影响因素外在表现和机理不同,从影响机理入手,在对各组分进行样重、孔隙与体积校正的基础上,分别建立原油密度约束的轻、中及重质组分校正模型。对不同来源的地化热解资料进行校正后,在考虑残余烃含量的同时,提取与原油密度、黏度相关性较大的评价参数,建立原油密度、黏度的多参数相关性定量化评价模型。并形成了一套较为完善的资料校正与原油密度、黏度评价方法,对不同储集层、层位、原油性质的37口井共48层的原油密度、黏度进行评价,评价结果与原油样品分析结果对比可知,其精度有了明显提高。图2表2参2(侯连华摘)
The influencing factors of different components of the pyrolysis data are different. The external factors and mechanism of these factors are different. Based on the influence mechanism, the components of the pyrolysis data are calibrated according to sample weight, pore volume and volume. Constraints of light, medium and heavy components correction model. After correcting the geochemical pyrolysis data from different sources, the residual hydrocarbon content was taken into consideration, and the evaluation parameters with large correlation with the density and viscosity of the crude oil were extracted to establish a quantitative evaluation model of multi-parameter correlation of crude oil density and viscosity. And a set of relatively complete data correction and crude oil density and viscosity evaluation methods are formed. The density and viscosity of crude oil of 48 layers in 37 wells with different reservoir, horizon and crude oil properties are evaluated. The evaluation results are in good agreement with the crude oil sample analysis The results show that the accuracy has been significantly improved. Figure 2 Table 2 reference 2 (Hou Lianhua pick)