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dm300 fu he zeng zhu ji shu zai shuang he you tian de yan jiu yu ying yong
Author(s): 
Pages: 137-139
Year: Issue:  2
Journal: Petroleum Geology and Engineering

Keyword:  双河油田复合增注技术含油饱和度低渗透储层;
Abstract: 针对双河油田江河区低渗透欠注层酸化增注困难的问题,开展了复合增注机理研究和矿场适应性评价.实验研究表明,DM300增注剂具有改变储层岩石表面润湿性和降低含油饱和度的复合降压增注能力,低渗透岩心水相渗透率经其驱替后提高49.4%.通过工艺优化形成了适合江河区低渗透油藏特点的DM300复合增注技术,现场实施后使江河区低渗透欠注层的酸化增注效果和有效注入能力得到进一步提高.
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