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鄂尔多斯盆地坪桥南长6油藏注水见效合理参数分析

Science Technology and Engineering(2021)

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Abstract
针对鄂尔多斯盆地杏子川油田坪桥南区长6低渗透油藏注水见效率低、部分油井含水上升过快的问题,研究了注水见效时间规律,提出了注水参数优化的方法.通过统计分析结合数值模拟手段,分析单一因素对见效时间的影响,探索注水见效时间和合理注水强度,形成了预测见效时间及合理注水强度的图版.结果 表明,坪桥南区长6油藏转注后高强度注水的见效时间为5-15个月;见效后温和注水合理水强度范围为1.0~2.0 m3/(d·m).按该方法对单井配注优化后,水驱效果明显提高.
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