试井及生产动态资料在阻流带评价中的应用——以庄9井区为例  

Application of well test and dynamic data to evaluation on choked flow zone——a case study of Zhuang9 well-block

作　　者：罗晓义[1,2] 马素俊[3] 

机构地区：[1]中国地质大学(北京)能源学院,北京100083 [2]中国石化石油勘探开发研究院,北京100083 [3]中国石油大学(北京)石油天然气工程学院,北京102249

出　　处：《油气地质与采收率》2010年第1期96-98,共3页Petroleum Geology and Recovery Efficiency

摘　　要：由于特低渗透砂岩储层受到沉积微相和岩性的控制,储层宏观非均质性强,储层内存在类似不渗透边界特征的低渗透阻流带,确定低渗透阻流带的位置,可为特低渗透油藏中后期的井网开发调整提供依据。通过试井与生产动态资料相结合的方法,不仅可以确定强非均质性特低渗透油藏存在低渗透阻流带,而且还可判断阻流带的方向及分布。由于特低渗透油藏渗流速度慢,关井压力测试时间长,常规试井解释结果存在多解性,为此,采用数值试井分析了阻流带的形状,并对阻流带的作用进行了分析评价。结果表明,利用阻流带可以很好地解释注入水推进方向。Influenced by depositional microfacies and lithology.ultra-low permeability sandstone reservoirs are of strong heterogeneities.Low-permeability choked flow zones appeared in the reservoirs,which have the similar characteristics of impermeable barrier.The location of the choked flow zone may provide theoretical basis for the development and well pattern adjustment of the ul-tra-low permeability reservoirs at middle-later stages.Based on well test and dynamic data,the low-permeability choked flow zones was ascertained existing in the ultra low permeability reservoirs with serious lateral heterogeneity.and direction and dis-tribution of the choked flow zones could be judged.In the ultra-low permeability reservoirs.difficulty and precision of the com-mon well test interpretation were greater because of slow fluid flowing and long duration of shut-in pressure test.The shape and function of the choked flow zones were analyzed by numerical well test.The result shows that the choked flow zones can indicate the advancing direction of the injected water accurately.

关 键 词：试井 动态分析 阻流带 储层非均质性 特低渗透油藏 

分 类 号：TE353[石油与天然气工程—油气田开发工程]