[1]吴琼,王广辉,王玉英.低渗透油藏高注采比原因分析[J].复杂油气藏,2012,(02):54-58.
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低渗透油藏高注采比原因分析
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
期数:
2012年02期
页码:
54-58
栏目:
油气开发
出版日期:
2012-06-25

文章信息/Info

作者:
吴琼王广辉王玉英
中国石油吉林油田公司新立采油厂
关键词:
低渗透油藏注采比无效注水弹性存水量新立油田
分类号:
TE349
文献标志码:
A
摘要:
新立油田已开发区块属于低渗透-特低渗透油藏,注水开发过程中,普遍具有注采比偏高的现象,这与物质平衡原理相悖。通过结合新立油田地质特征和开发特点研究,认为高注采比主要受无效注水、垂直裂缝、弹性存水量、储层沉积特点和固井质量等因素影响;通过校正计算,合理地解释了低渗透油田高注采比现象,并对开发后期注采比变化趋势进行了预测,引入油层盈余概念作为注采平衡评价的一种新方法。

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更新日期/Last Update: 2012-07-31