微幅度构造识别在葡北油田应用效果分析

The analysis on the application effect of low amplitude structure for pubei oilfield

通过编制2m间距单元构造等值线图,并对其进行解释和微构造形态的识别,确定了葡北油田二断块微幅度构造的基本类型、特征及组合模式。措施实例统计数据表明微构造对油井的产油能力有一定的控制作用,位于正向微幅度构造区油井的各项主要指标均优于负向微幅度构造区,而微斜面发育部位的油井的产油能力介于以上二者之间。因此落实微幅度构造在高含水后期的油田开发中非常重要。

Through drawing up and further explaining the 2 metres isoline plot and identifying low amplitude structure,we can confirm the fundamental type,feature and integrated mode of low amplitude structure ofthe second fault block in pubei oilfield.According to the practical example statistics,low amplitude structure can control oil production of oil well more or less.Each key indicators of Oil well in Forward low amplitude structure zone is highter than the one in negative low amplitude structure zone.And the oil production of oil well in the bevel growing parts is between the first two ones.As a result,it is very important to apply the technique of low amplitude structure for exploring oil well in High-water-cut part.