白音查干凹陷锡林好来油田白云质泥岩储层研究  

Study on Dolomite Seservoir of Xilinhaolai Oilfield in Baiyinchagan Depression

作　　者：胡望水[1] 雷志诚[1] 许辰[2] 刘腾蛟 徐博[1] 

机构地区：[1]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430100 [2]中石化江苏油田分公司,江苏扬州225000 [3]东方地球物理公司,河北涿州072751

出　　处：《特种油气藏》2013年第1期11-14,151,共4页Special Oil & Gas Reservoirs

基　　金：国家自然科学基金资助项目"白音查干凹陷锡林好来地区储层综合评价"(40872099)

摘　　要：综合运用沉积岩石学及储层地质学方法,利用岩心观察及地震资料分析,工区发育一套白云质泥岩储层,层位上主要位于腾格尔组上段,集中分布在环洼带的断层带附近,结合铸体薄片、分析化验资料,白云岩为后生交代作用形成,其储集空间主要为溶蚀孔洞及各种裂缝,其裂缝主要为垂直裂缝、水平裂缝及剪切缝。由于白云质泥岩储集空间的特殊性,导致油水关系分布复杂,主要以缝洞油、封存油、隔离油、封存水、隔离水等形态存在。此类油藏的发现对于锡林好来油田的稳产有重要意义。It is found that there grows a set of dolomitic mudstone reservoir in the operation area,whose horizon is mainly located at Upper Memeber in Tenger Formation and is mainly distributed near fault region around ring depression region by using the methods of sedimentary petrology and reservoir geology,core observation and seismic data analyses.Based on cast thin slice,laboratory test analysis,it is also found that the dolomite is formed by epigenetic metasomatism,whose reservoir spaces are majorly corrosion cavern and fractures of vertical,horizontal and shear types.The particularity of reservoir space of dolomitic mudstone leads to complex distribution of oil and water correlation,which exist mainly in the form of seam hole oil,sealed oil,isolated oil,connate water and isolated water.The finding-out of the reservoirs is significant to the steady production of Xilinhaolai Oilfield.

关 键 词：白音查干凹陷 湖相 白云质泥岩 孔洞 裂缝 油水关系 

分 类 号：TE122.2[石油与天然气工程—油气勘探]