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International Journal of Nanoscience and Nanotechnology (IJNN)، جلد ۲۰، شماره ۳، صفحات ۱۸۵-۱۹۶
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عنوان انگلیسی Nano-Zeolite Additive Effects on Rheological and Filtration Attributes of Ca-Bentonite Solutions
چکیده انگلیسی مقاله    In the drilling fluid industry, nanoparticles (NPs) are among the most promising additives for improving the properties of drilling fluids. The present study aims at investigating the impacts of clinoptilolite, as a prevalent type of zeolite, on the flow behavior and filtration attributes of water-based drilling muds (WBMs). The nano-clinoptilolite was prepared and added to selected WBM samples at different concentrations. The results revealed that the plastic viscosity increases due to the addition of nano-clinoptilolite. This improvement helps the removal of cuttings although it could lead to pressure spikes at the beginning of the circulation. The gel strength and yield stress also increase with increasing nano-clinoptilolite content. Furthermore, these two parameters increase with increasing temperature. The plastic viscosity is adversely affected by increasing temperature. The improved rheological parameters are important in enhancing the cutting transport capacity of drilling fluids and the efficient hole-cleaning process. Furthermore, detailed curve-fitting analyses suggested the Herschel-Buckley equation as the best-fit model to the measured data. In addition, the results of filtration analyses showed that the application of nanomaterials in the selected WBMs resulted in the creation of thin impermeable mud cakes across the formation.  A significant reduction in the filtrate volume of drilling fluids is also observed. The reduction in filtration volume resolves the issues related to the formation damage and improves the efficiency of reservoir production.
کلیدواژه‌های انگلیسی مقاله Water-based drilling fluids,Nano-zeolite,Rheological Behavior,Filtration properties
نویسندگان مقاله Hamid Heydarzadeh Darzi |
Faculty of Petroleum and Petrochemical Engineering, Hakim Sabzevari University, Sabzevar, Khorasan Razavi, Iran

Hamed Aghaei |
Petroleum Engineering Department, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz, Fars, Iran

Mohammadreza Bagheri |
Faculty of Petroleum and Petrochemical Engineering, Hakim Sabzevari University, Sabzevar, Khorasan Razavi, Iran

نشانی اینترنتی https://www.ijnnonline.net/article_721799_9434d7f05a8411a61841e8af8960d33b.pdf
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