Sulfonated methylphenol-formaldehyde resin for drilling fluid

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Sulfonated methylphenol-formaldehyde resin for drilling fluid

Can effectively control drilling fluid loss, improve mud cake quality, inhibit clay dispersion, and stabilise the wellbore. It is resistant to high temperatures and contamination from calcium and magnesium ions, highly compatible, suitable for deep wells, ultra-deep wells, high-salinity water, saturated brine and other harsh formation drilling systems, and is a preferred high-quality agent for high-temperature and high-pressure drilling.

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