松辽盆地营城组火山岩孔隙与裂缝的成像测井研究  

Imaging Logging Response to Volcanic Pores and Fractures of Yingcheng Formation in the Songliao Basin

作　　者：姚瑞士[1] 王璞珺[1] 宋立忠[2] 唐华风[1] 白冰[1] 

机构地区：[1]吉林大学地球科学学院,长春130061 [2]中国石油吉林油田公司,松原138000

出　　处：《地球物理学进展》2011年第6期2122-2131,共10页Progress in Geophysics

基　　金：国家自然科学青年基金(41002038);国家973项目(2009CB219305)资助;"东北亚生物演化与环境教育部重点实验室"支持;吉林大学"211"工程三期建设项目和2009年教育部基本科研业务经费("吉林大学创新团队发展计划")支持

摘　　要：岩心和薄片观测与成像测井图像对比研究发现,成像测井可识别的火山岩储集空间有4类裂缝和3类孔隙,即:冷凝收缩缝、炸裂缝、构造缝、溶蚀缝和原生气孔、粒间孔、溶蚀孔.火山岩孔缝的成像响应特征主要受孔缝类型、规模、充填特征和该孔缝与其它孔缝间相互关系等四个因素控制.孔缝的全井眼地层微电阻率成像测井(FMI)响应特征分别为,裂缝表现为直线或正弦曲线,孔隙表现为斑点状或团块状,各类孔缝成像图像形状、颜色、组合关系不尽相同,据此将火山岩孔缝成像测井响应特征总结为斑状、角砾间、线状、串珠、团块、暗带6种典型模式.需要特别注意的是,被含铁矿物或泥质等高导物质完全充填孔缝与未充填的有效孔缝在成像响应特征上很相似,需结合其它测井资料进一步区分.Compared the observation of well core and rock thin-section with the imaging logging pictures, we can find that four classes fractures and three classes pores in volcanic reservoir are recognizable. They are cooling crack, explosion crack, structural fracture, solution fissure, primary gas bubble, intergranular pore, solution pore. The imaging logging response characteristics of fracture and pore in volcanic rocks are controlled by four factors. They are the type, size, filling feature and relationship with others. The Fullbore Formation Micro-resistivity Imager （FMI） response characteristics of fracture and pore are as follows respectively., fracture shows straight line or sinusoidal, pore shows speckled or mission-shaped block, The shape, color and combination relation of various types of imaging logging image are not entirely identical. According to the above, summarize six typical imaging log response patterns of volcanic rocks： speckled, inter-breccia, linear, bead-strings, mission-shaped block, bark take. There are some similarities in imaging log response characteristies between that the pore and fracture filled completely with high conductivity material as pyrite or clay and that the pore and fracture filled not completely. In this case, we need some other logging data to division the two cases.

关 键 词：松辽盆地 白垩系营城组 火山岩储层 孔隙和裂缝 成像测井响应 

分 类 号：P631[天文地球—地质矿产勘探]