页岩气储层w(TOC)测井评价方法对比研究
Comparative Study of w(TOC) Logging in Shale-Gas Reservoirs

作者: 聂 昕 :油气资源与勘探技术教育部重点实验室(长江大学),湖北 武汉;非常规油气湖北省协同创新中心(长江大学),湖北 武汉; 万 宇 :油气资源与勘探技术教育部重点实验室(长江大学),湖北 武汉; 邹长春 :地下信息探测技术与仪器教育部重点实验室(中国地质大学(北京)),北京; 张 儒 :中石化华北石油工程有限公司测井分公司,河南 新乡;

关键词: 测井评价w(TOC)页岩气回归法ΔlogR法Well Log Evaluation w(TOC) Shale Gas Regression Method ΔLogR Method

摘要:
针对当前世界范围内研究热点之一的页岩气资源,对储层总有机碳质量分数(w(TOC))测井评价方法进行了初步总结和探讨。对w(TOC)测井评价方法进行了实际资料的处理,并对处理结果进行了验证和对比分析。通过分析结果可知,对于没有放射性矿物干扰的地层,利用自然伽马能谱法评价w(TOC)的准确度最高,应优先选择;对于没有自然伽马测井数据却有岩心试验数据的地区,可根据试验数据优选回归曲线获得最符合该地区的回归公式;对于仅含有常规测井曲线的地区,则可选择ΔlogR法。

Abstract: The study of shale gas was one of the hotspots for research on the shale-gas resources worldwide currently. The evaluation methods of Total Organic Carbon w(TOC) well logging were preliminarily summarized and analyzed. The actual data were processed for w(TOC) well logging, the calculation results were verified and compared with core data. The analysis results show that spectral gamma-ray log method is the most suitable for the formations without radioactive minerals and it should be the first choice. For the application of the areas without spectral gamma-ray logging data but with core data, the regression curve method should be selected for obtaining the regression logging formula being the most suitable for using in the area based on experimental results. For the areas where only conventional logging curves are acquired, ΔlogR method is an available option.

文章引用: 聂 昕 , 万 宇 , 邹长春 , 张 儒 (2016) 页岩气储层w(TOC)测井评价方法对比研究。 石油天然气学报, 38, 19-27. doi: 10.12677/JOGT.2016.382011

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