页岩油烃源岩地化参数测井评价方法及应用  

Evaluation Method and Application for Geochemical Parameters of Shale Oil Source Rock

作　　者：周妍 王长胜[3] 林伟川 王艳梅[3] 罗少成 张宇昆 ZHOU Yan;WANG Changsheng;LIN Weichuan;WANG Yanmei;LUO Shaocheng;ZHANG Yukun(Geological Research Institute, China National Logging Corporation, Xi’an, Shaanxi 710077, China;Well Logging Key Laboratory, China National Petroleum Corporation, Xi’an, Shaanxi 710077, China;Exploration and Development Research Institute, PetroChina Changqing Oilfield Company, Xi’an, Shaanxi 710018, China;Science and Technology Deportment, China National Logging Corporation, Xi’an, Shaanxi 710077, China)

机构地区：[1]中国石油集团测井有限公司地质研究院,陕西西安710077 [2]中国石油天然气有限公司测井重点实验室,陕西西安710077 [3]中国石油长庆油田公司勘探开发研究院,陕西西安710018 [4]中国石油集团测井有限公司科技处,陕西西安710077

出　　处：《测井技术》2022年第3期334-339,共6页Well Logging Technology

摘　　要：测井资料进行烃源岩识别与有机碳含量评价已得到广泛应用,但由于有机碳含量的计算精度不高且其他地化参数测井定量评价方法相对空缺,烃源岩测井综合评价体系还不完善。基于烃源岩测井响应特征分析,建立有机碳含量、生烃潜率、氯仿沥青“A”、镜质体反射率这4种地化参数的多套测井定量评价模型,创新提出改进的ΔlogR法、细分岩性法计算有机碳含量,有效提高计算精度。以鄂尔多斯盆地陇东地区延长组长73烃源岩为例,精细构建研究区烃源岩测井评价参数体系,同时基于烃源岩品质综合评价指数,建立研究区长73烃源岩分类评价标准,为后续“甜点”评价提供技术支持。The application of logging data for source rock identification and organic carbon content evaluation has been widely used,but the calculation accuracy of organic carbon content is low and the quantitative evaluation methods of other organic geochemical parameters are relatively lacking,the comprehensive evaluation system of source rock logging is not yet available complete.Based on the analysis of the logging response characteristics of source rocks,establishes multiple sets of quantitative evaluation models for four kinds of geochemical parameters,such as organic carbon content,hydrocarbon potential rate,chloroform bitumen“A”,vitrinite reflectance.Various algorithms such as the improvedΔlogR method and the subdivision lithology method are proposed for the calculation of organic carbon content.Taking the Chang 73 source rock in the Longdong area Yanchang formation of the Ordos basin as an example,the log evaluation parameter system of the source rock is constructed.Based on the comprehensive evaluation index of source rock quality,the classification evaluation standard of Chang 73 source rock is established,which provides technical support for the subsequent“sweet spot”evaluation.

关 键 词：测井评价 鄂尔多斯盆地 烃源岩 页岩油 地化参数 有机碳含量 

分 类 号：P631.84[天文地球—地质矿产勘探]