Wettability modification by fluoride and its application in aqueous phase trapping damage removal in tight sandstone reservoirs
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- 作者：Xuefen Liu ; xuefen580@126.com" class="auth_mail" title="E-mail the corresponding author ; Yili Kang ; Pingya Luo ; Lijun You ; Yun Tang ; Lie Kong
- 关键词：Tight sandstone ; Formation damage ; Aqueous phase trapping ; Wettability modification ; Atomic Force Microscope
- 刊名：Journal of Petroleum Science and Engineering
- 出版年：2015
- 出版时间：September 2015
- 年：2015
- 卷：133
- 期：Complete
- 页码：201-207
- 全文大小：3444 K
文摘
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Contact angle and surface tension with varying fluoride concentration was measured.
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Atomic force microscope analysis was applied to reveal surface morphology change.
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Basic rheological properties of drilling fluid considering fluoride were examined.
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Flow test was conducted to examine to damage removal by wettability alteration.
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Mechanisms of wettability modification by fluoride were discussed.