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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Minakov A. V., Mikhienkova E. I., Voronenkova Y. O., Neverov A. L., Zeer G. M., Zharkov S. M.
Заглавие : Systematic experimental investigation of filtration losses of drilling fluids containing silicon oxide nanoparticles
Место публикации : J. Nat. Gas Sci. Eng. - 2019. - Vol. 71. - Ст.102984. - ISSN 18755100 (ISSN), DOI 10.1016/j.jngse.2019.102984
Примечания : Cited References: 28. - The research was performed with the financial support of the Russian Science Foundation under project No. 17-79-20218.
Аннотация: This paper presents the results of silicon oxide nanoparticles-incorporated drilling fluid filtration through a porous medium with different permeability. A water-based clay suspension was used as a basic model for creating investigated fluid samples. AlN (aluminium nitride) particles were used as a dispersed phase. The concentration of microparticles varied from 0.5 to 4.00 wt%, while the microparticles size varied from 1 to 10 ?m. The concentration of SiO2 nanoparticles was changed within the range of 0.25 and 4.00 wt%, while the nanoparticles size varied from 5 to 100 nm. It was shown that filtration of drilling fluids with nanoparticles inclusions depends on their concentration, size and material, the concentration and size of microparticles and the pore sizes of ceramic filters. The addition of the nanoparticles leads to a significant reduction in filtration of a microsuspension and affects the structure and thickness of a cake formed on the surface of a filter. The main novelty of this work lies in the fact that the effect of the addition of nanoparticles on filtration losses depends on the ratio between nano and microparticles. It was shown that the positive effect of nanoparticle additives on filtration losses is determined not only by the properties of nanoparticles (size and concentration), but also by the properties of microparticles contained in the drilling fluid, as well as the characteristics of the rock (pore size). © 2019 Elsevier B.V.
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