页岩油资源评价关键参数——含油率的校正

发布时间：2018-04-11 16:30

本文选题：轻烃校正 + 重烃校正　；参考：《石油与天然气地质》2016年01期

【摘要】：页岩油资源评价过程中,常用热解参数S1(游离烃含量)与氯仿沥青"A"含量反映含油性。但由于实验流程的原因,所测得的S1存在着轻烃、重烃的损失,氯仿沥青"A"含量存在着轻烃损失。为了更准确地对页岩油资源进行定量评价,通过对松辽盆地北部青山口组泥页岩有机质成烃动力学研究以及对样品抽提前、后的热解参数进行对比,对氯仿沥青"A"含量进行轻烃补偿校正,对S1进行轻烃、重烃补偿校正,以获得泥页岩总含油率参数。结果表明,松辽盆地北部青山口组泥页岩校正后S1约为校正前S1平均值的4.2倍,校正后氯仿沥青"A"含量约为校正前氯仿沥青"A"含量平均值的1.2倍。校正前S1仅为氯仿沥青"A"含量的0.28倍,校正后S1与氯仿沥青"A"含量基本相同。可见在页岩油的资源评价过程中,对S1与氯仿沥青"A"含量的补偿校正是十分必要的。
[Abstract]:In the process of shale oil resource evaluation, the common pyrolysis parameters S _ 1 (free hydrocarbon content) and chloroform asphalt "A" content reflect the oil content.However, due to the experimental process, the measured S1 has light hydrocarbon, heavy hydrocarbon loss, chloroform asphalt "A" content of light hydrocarbon loss.In order to evaluate shale oil resources more accurately, the hydrocarbon-forming kinetics of shale organic matter in Qingshankou formation in northern Songliao Basin was studied and the pyrolysis parameters were compared.The content of chloroform asphalt "A" was compensated by light hydrocarbon compensation, and S1 was corrected by light hydrocarbon and heavy hydrocarbon compensation to obtain the total oil content parameter of shale.The results show that the corrected S _ 1 of Qingshankou formation shale is 4.2 times of the pre-corrected S _ 1 average, and the chloroform asphalt "A" content is about 1.2 times that of the pre-correction chloroform asphalt "A" content.The pre-correction S1 is only 0.28 times of the chloroform asphalt "A" content, and after correction S1 and chloroform asphalt "A" content are basically the same.Therefore, it is necessary to compensate and correct the "A" content of S1 and chloroform bitumen in the process of shale oil resource evaluation.
【作者单位】：中国石油大学(华东);东北石油大学;
【基金】：中央高校基本科研业务费专项资金项目(14CX05012A) 国家重点基础研究发展计划(973计划)项目(2014CB239005) 国家科技重大专项(2016ZX05004-001,2016ZX05007-003)
【分类号】：P618.13

【共引文献】