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Application of nanoparticles in improvement of drilling fluid properties through effective control of fluid loss and rapid formation of thin, smooth and low permeable filter cake has gained considerable attention in recent years. In this study, calcium carbonate nanoparticle was synthesized by precipitation method and characterized by X-ray diffraction, Fourier transform infrared spectroscopy, scanning...
We have developed a flush fluid for alkaline oxidation degradation of the mud cake for inhibited drilling fluid. The permeability of the smeary core when treated with the flush fluid increases by 125.6%. The mechanism of the washing process was studied by IR spectroscopy, scanning electron microscopy, and energy-dispersive x-ray spectrometry. The polymer backbone is broken down by the strong oxidant;...
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