Journal
AIN SHAMS ENGINEERING JOURNAL
Volume 14, Issue 10, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.asej.2023.102147
Keywords
Drilling fluids; Nanoparticles; Rheology; Temperature; Silica nanoparticles; Water base mud
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The study evaluated the performance of conventional water-based mud in the presence of silica dioxide nanoparticles. The results showed that adding 1.71 wt% silica nanoparticles improved the rheological properties of the drilling fluid, increasing viscosity and yield point by more than 50%.
The nanotechnology component known as nanoparticles (NPs) have enormous promise for enhancing drilling fluids. However, as the role of NPs in this sector is still in its infancy, it has recently received much greater attention. Using nanoparticles as an external additive or doping agent in existing drilling mud can lead to a more efficient drilling process in troublesome formations. Therefore, the aim of this study is to evaluate the performance of a conventional water-based mud (WBM) in the presence of silica dioxide (SiO2) nanoparticles (NPs). Nano drilling mud was formulated and created by dispersing silica dioxide nanoparticles in different weight concentrations ranging from 0.86 wt% to 2.57 wt% to a conventional Water Based Mud (WBM) made with different materials, such as Caustic Soda (NaOH), Sodium Chloride (NaCl), Xanthan Gum, Starch, HT Starch, Calcium Carbonate (CaCO3) and Barite. This nanofluid is normally used in the deep and complicated wells due to the great number of components mixed with it. The viscosity of drilling fluid was measured using a rotational viscometer while a roller oven with a temperature range of 38 degrees C to 232.2 degrees C was used to heat the fluid sample to a higher temperature. It was observed that 0.86 wt% silica dioxide nanoparticles showed a viscosity of 33 cP and gel strength of 3-5 lb./100ft2. These were 44 cP and 4-5 lb./100ft2 for 2.57 wt%. This has further enhanced to 55 cP and 4-5 lb./100ft2 for 1.71 wt%. WBM with silica nanoparticles of 1.71 wt% showed better rheological properties compared with WBM of 0.86 wt% and 2.57 wt% concentrations. The overall results showed that the silica nanoparticles improved the rheological properties and produced greater viscosity and yield point by more than 50 %.(c) 2023 THE AUTHORS. Published by Elsevier BV on behalf of Faculty of Engineering, Ain Shams Uni-versity. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
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