多属性分析技术在桑塔木油田断块油气藏中的应用  

Seismic multi-attribute analysis used in the development of Sangtamu Oilfield

作　　者：谢舟[1] 李斌[1] 徐红霞 吴梅莲[1] 岳清政 赵海涛[1] 

机构地区：[1]中国石油塔里木油田分公司勘探开发研究院,新疆库尔勒841000 [2]中国石油东方地球物理公司物探技术研究中心,河北涿州072751 [3]中国石油塔里木油田分公司开发事业部,新疆库尔勒841000

出　　处：《石油地球物理勘探》2017年第A01期181-188,共8页Oil Geophysical Prospecting

摘　　要：桑塔木油田三叠系T_Ⅲ油组经过二十多年开发,近年来注水生产效果差,同一断块内单井原始油水界面不一致的矛盾日益凸显,导致油田挖潜难度大。通过GeoEast解释系统多窗口倾角扫描、构造导向滤波、相干体、方差体、构造体曲率、边缘检测等多属性综合分析,进行桑塔木油田微小断层精细解释。经动态试井资料验证,断层解释精度高、可靠性好。根据断层精细刻画结果,对桑塔木油田断块重新划分,解决了桑塔木油田以往同一断块内单井油水界面不一致的问题。对断块油藏进行评价,结合GeoEast系统烃类检测属性,部署完钻5口井,均获成功。After more than 20 years developing in the Sangtamu Oilfield, oil production is decreasing even with water injection in recent years, oil-water contact in wells is not at the same level. The oilfield development is facing tough challenges. To solve the problems, we conduct a comprehensivel study with interpretation tools provided by GeoEast. A few techniques such as multi-window dip scanning,structure-guided filtering, coherence cube, curverture cube, variance cube, and edge detection, are used to interpret minor faults in Sangtamu. Dynamic well test data varify our minor fault characterization. Based on thist characterization, the fault blocks of Sangtamu are reclassified and solve the contradiction of oil-water contact in the same fault block. Based on our fault block reservoir evaluation, 5 wells have been drilled and achieve high oil yied.

关 键 词：多窗口倾角扫描 构造导向滤波 相干体 方差体 构造体曲率 边缘检测 桑塔木油田 断块 

分 类 号：P631[天文地球—地质矿产勘探]