田盼盼;林承焰;张宪国;宋金鹏;王芮;

• 1:中国石油大学(华东)地球科学与技术学院

• 2:中国石油大学(华东)山东省油藏地质重点实验室

• 3:中国石油大港油田公司勘探开发研究院

摘要(Abstract)：

以黄骅坳陷羊二庄油田明化镇组河流相储层为对象,在流动单元划分的基础上,综合薄片、压汞、相对渗透率曲线及数值模拟等资料,比较不同流动单元渗流特征,结合荧光显微图像及核磁共振实验刻画剩余油赋存特征。结果表明:六类流动单元渗流特征及剩余油分布差异明显。Ⅰ类流动单元渗流能力最强,水淹严重,残存少量柱塞状剩余油。从Ⅱ到Ⅵ类流动单元,毛管压力曲线中值压力不断增加,进汞曲线平缓段不断变短,最小润湿相饱和度大幅上升,残余油时水相相对渗透率不断下降,优势流线逐渐减弱,渗流能力不断下降;其中Ⅱ和Ⅲ类流动单元水淹较强,剩余油呈角隅状、膜状、吸附状分布;Ⅳ和Ⅴ类流动单元水淹相对较弱,剩余油呈连片状分布;Ⅵ类流动单元渗流能力差,水淹较弱,但剩余油储量低。该研究结果为羊二庄油田明化镇组后期剩余油挖潜提供参考。

关键词(KeyWords)：流动单元;渗流特征;水淹;剩余油分布;羊二庄油田;黄骅坳陷

Abstract:

Keywords:

基金项目(Foundation):国家自然科学基金项目(41672129);; 国家科技重大专项(2016ZX05054-012)

作者(Author):田盼盼;林承焰;张宪国;宋金鹏;王芮;

Email:

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