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油田开发实践表明,在非均质油层中,井网调整对油藏采出程度有很大影响,特别是在油田开发后期,井网调整对油田开发效果起决定性的作用,因此,油田井网适应性研究和调整是油田必须研究的课题。安塞油田化子坪油藏现已处在开发的中后期,由于地层情况复杂,油田开发面临的问题也越来越突出,对地区井网需进一步调整。经过实践调研分析,研究区是建立在老井网之上的注采体系,后期调整非常困难,而研究区裂缝较多,储层非均质性严重,为后期井网调整埋下隐患。需加快研究井网调整措施,为下一步开发奠定基础。
The practice of oilfield development shows that the adjustment of the well pattern has a great influence on the degree of oil recovery in heterogeneous reservoirs. Especially in the late stage of oilfield development, well pattern adjustment plays a decisive role in oilfield development. Therefore, well pattern Adaptability research and adjustment is the subject of oilfield research. The Ansazi Oilfield HZZ reservoir is now in the middle and later stages of development. Due to the complicated strata, the problems facing the oilfield development are also becoming more and more prominent, and the well pattern of the area needs to be further adjusted. After practice research and analysis, the research area is based on the old well network injection and production system, the latter part of the adjustment is very difficult, and more cracks in the study area, serious reservoir heterogeneity, laying the hidden danger for the late well pattern adjustment. We need to speed up the adjustment of well patterns and lay the foundation for further development.