萨北开发区特高含水期层系井网演化趋势研究Evolutionary Trend of Well Pattern for Ultra-high Water Bearing Bed Sets in the North of Saertu Development Area
张英志
ZHANG Ying-zhi (No. 3 Oil Production Plant of Daqing Oilfield Company Ltd.
摘要(Abstract):
萨北开发区开发40多年来经过了几次大规模的开发调整,目前已形成水聚两驱并存、多套井网共同开采的局面,油田地下注采关系非常复杂。针对特高含水期的开发特点,充分考虑各类油层的调整挖潜,在落实剩余油潜力基础上,分析对比不同调整方式的优劣,优化三次采油层系组合和井网部署,综合考虑各套井网间的衔接关系,确定今后萨北开发区层系井网演变趋势,初步规划出“十一五”及以后的井位部署和产量规模,对油田后期开发调整具有重要指导意义。
Water flooding and polymer flooding coexist with multi production well patterns in the current north of Saertu development area after 40-year large-scale development adjustment, in which underground injection-production relationship is very complex. Aiming at the development characteristic in ultra-high water cut stage, various adjustment methods have been analyzed based on adjustment potential for each oil layer and remaining oil. EOR bed sets and well pattern have been arranged in full consideration of linkage among different well patterns, so as to confirm the evolutionary trend of development area and work out the initial well site and oil production for the 11th 5 year program and the next program, offering a significant guide for the later development modification of oilfield.
关键词(KeyWords):
萨北油田;特高含水期;分类油层;剩余油;层系井网
North Saertu oilfield; ultra-high water cut stage; separate oil layer; remaining oil; bed set well pattern
基金项目(Foundation):
作者(Author):
张英志
ZHANG Ying-zhi (No. 3 Oil Production Plant of Daqing Oilfield Company Ltd.
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- 萨北油田
- 特高含水期
- 分类油层
- 剩余油
- 层系井网
North Saertu oilfield - ultra-high water cut stage
- separate oil layer
- remaining oil
- bed set well pattern