بررسی آزمایشگاهی تغییر ترشوندگی سنگ مخزن کربناته به‎کمک نانوسیال آلفا آلومینا

نوع مقاله: مقاله پژوهشی

نویسندگان

1 پژوهشکده ازدیاد برداشت، دانشکده مهندسی شیمی، نفت و گاز، دانشگاه شیراز، ایران

2 بخش نانو مهندسی شیمی، دانشکده فناوری‎های نوین، دانشگاه شیراز، ایران

10.22078/pr.2018.3098.2460

چکیده

با توجه به نیاز روز افزون انسان به انرژی و محدود بودن منابع انرژی، استفاده حداکثری از منابع انرژی فسیلی شناخته شده موجود حائز اهمیت است. لذا روش‎های ازدیاد‎برداشت به همین منظور توسعه یافته‎اند. استفاده از فن‌آوری نانو در کنار روش‎های سنتی ازدیاد‎برداشت، پتانسیل افزایش بازده این روش‎ها را دارا است. در همین راستا در این پژوهش تغییرات ترشوندگی سنگ مخزن کربناته با استفاده از نانوسیال حاوی نانوذرات آلفا آلومینا مورد بررسی قرار گرفته و برای بررسی تغییر ترشوندگی از آزمایش زاویه تماس استفاده شده‎است. در این آزمایشات نانوسیالاتی با غلظت‌های 1/0 تا 5/0% وزنی تهیه شده است. نتایج این پژوهش نشان می‎دهد که نانوسیال آلفا آلومینا قادر به تغییر ترشوندگی سنگ مخزن کربناته از نفت‎دوستی به آب‎دوستی است.
 

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

An Experimental Investigation of Wettability Alteration of Carbonated Rock Using Alpha-Alumina Nanofluid

نویسندگان [English]

  • Hamidreza Ansari 1
  • Masoud Riazi 2
  • Samad Sabbaghi 2
1 Enhanced Oil Recovery (EOR) Research Centre, School of Chemical and Petroleum Engineering, Shiraz University, Iran
2 Nano Chemical Engineering Department, Faculty of Advanced Technologies, Shiraz University, Iran
چکیده [English]

According to increasing human energy requirements and energy source limitation, production of fossil energy is an important issue. Enhanced oil recovery techniques have been developed for increasing the amount of crude oil that can be extracted from oil fields. Recently, the application of nanoparticles (NPs) suspension flooding for EOR purposes has been proved. In addition, NPs can improve fluid-rock interaction characteristics such as wettability. In this work, alpha-Alumina nanofluid effects have been investigated in wettability alteration of carbonated rocks. Contact angle is used to analyze the alteration of surface wettability. Different nanofluids concentration in the range from 0.1 to 0.5 wt.% is used. Finally, the result clearly indicates the improvement wettability of reservoir to highly water-wet when it is treated with nanofluids.
 

کلیدواژه‌ها [English]

  • Enhanced Oil Recovery
  • Wettability Alteration
  • Nanofluid
  • Alpha-alumina
  • Water-wet

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