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涠洲12-1油田北块属于三角洲前缘水下分流河道砂沉积,受河道迁移、改道、侧向加积、多期砂体叠加等沉积作用以及断层、构造的影响,砂体分布与连通性比较复杂,采油井和不同的注水井之间的连通性复杂,如何才能根据静态、动态资料做好连通性分析,这是一个长期困扰着油藏人员的难题。示踪剂技术是第一次在南海西部油田应用,前期研究阶段通过数值模拟,对监测效果进行了预测,为B4,B13示踪剂监测工艺项目的实施提供了依据。
The north block of Weizhou 12-1 oilfield belongs to the submarine distributary channel sand deposition in the delta front. It is affected by the sedimentation of channel migration, diversion, lateral accretion and multistage sandbody superimposition and the influence of faults and structures. The sand body distribution and connectivity The complexity is complex, and the connectivity between oil well and different injection wells is complex. How to make the connectivity analysis based on static and dynamic data is a difficult problem for oil reservoir personnel for a long time. Tracer technology is the first application in the western South China Sea oil field. In the early stage of research, the monitoring results are predicted through numerical simulation, which provides a basis for the implementation of B4 and B13 tracer monitoring technology projects.