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The article is concerned with the integrated approach to choose drilling mud composition for pay horizons penetration. An optimal choice of drilling mud composition would not only mean ensuring basic fluid properties, but also should minimize the impact on the pay zones when penetrating the pay horizons for the first time. To carry out better assessment of drilling mud impact on pay horizons, it is reasonable to study both technological parameters and filtration analyses, which would allow us to estimate the level of drilling mud impact on the pay horizon

The integrated method to select drilling muds for well construction in difficult geological conditions