摘要
针对国内页岩气储层开发特点,通过对比分析我国页岩气产区部分气井初期产能、潜力特征,创新性地提出一种根据压力系数、TOC、成熟度(Ro)、孔隙度、含气性、含气饱和度、脆性矿物含量、黑色页岩层厚度等8项涉及地化和沉积特点等指标参数组成的多因素图像进行分析判别,预判页岩地层产气潜力的方法。该方法提炼出的几项关键指标,适用于我国页岩气资源勘探开发产区,该判别方法的应用可以快速判断地下页岩气储层能否产气,且产气层潜力能否达到工业气流(水平井工艺下)标准。该方法的提出,可对科学预判页岩气区储层潜力,提升页岩气区商业性开发提供有益借鉴。
This paper aims at the characteristics of domestic shale gas reservoir development,Through comparative analysis of the initial production capacity and potential characteristics of some gas wells for shale gas production areas in China,The author innovatively put forward a kind of method,which is according to the pressure coefficient,TOC,maturity(Ro),porosity and hydrocarbon content,gas saturation,brittle mineral content,the thickness of the black shale and so on eight geochemical and sedimentary characteristics parameters of many factors,by it established plot analysis to forecast the shale formation gas potential.Several key indexes extracted by this method are suitable for the exploration and development of shale gas resources in China.The application of this method can quickly judge whether underground shale gas reservoir can produce gas and whether the potential of gas producing layer can meet the standard of industrial gas flow(under horizontal well technology).The proposed method provides a useful reference for scientifically predicting the reservoir potential of shale gas formation and promoting the commercial development of shale gas area.
作者
徐春华
彭玲莉
刘理湘
Xu Chunhua;Peng Lingli;Liu Lixiang(The East China Mineral Exploration and Development Bureau,Nanjing,Jiangsu,210007,China;Jiangsu shale gas exploration company,Nanjing,Jiangsu,210007,China)
出处
《新疆地质》
CAS
CSCD
北大核心
2020年第4期560-566,共7页
Xinjiang Geology
基金
国家自然科学基金项目扬子台地西缘奥陶纪末—志留纪早期的几丁虫及综合地层学研究(41872035)
江苏省省级专项资金江苏省页岩气资源调查与评价项目共同资助。
关键词
页岩气指标参数
图像判别分析方法
产业潜力预判
Shale gas index parameter
Image discriminant analysis method
Industry potential prediction
作者简介
第一作者:徐春华(1968-),男,新疆克拉玛依人,油气地质博士,高级工程师,从事油气(页岩气)地质、矿产地质等资源综合研究,E-mail:726478812@qq.com。
