Abstract
The raw materials base of brown coals for the production of heat-resistant polymer–lignite chemical reagents was selected based on a comparison of the technological parameters of water-based drilling fluids treated with various nanomodified powdered complex polymer–lignite chemicals. On the basis of lignin–alkaline reagents, a highly heat-resistant fluid-loss reducer, a complex low-thixotropic thinning agent, a complex inhibitor of shales, clays, and clay minerals, and a stabilizer of unstable clay and argillite deposits were developed.
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Translated by V. Makhlyarchuk
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Gorlov, E.G., Moisa, Y.N. & Strizhko, F.N. Experimental Technology for the Production of Polymer–Humate Drilling Reagents. Solid Fuel Chem. 54, 37–41 (2020). https://doi.org/10.3103/S0361521920010036
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DOI: https://doi.org/10.3103/S0361521920010036