Ultra Seal OBM


Ultra Seal® OBM is a unique blend of Ultra Seal® TG, natural asphalt and advanced proprietary ingredients, making Ultra Seal® OBM one of the leading oil-based mud additives. Ultra Seal® OBM is easily added to mud systems with minimal increases to rheological properties.

Ultra Seal® OBM is a dry additive that is designed for oil-based mud systems to aid in seepage control, well bore strengthening and lubricity, which prevents differential sticking.


• Utilized system-wide for seepage control
• Designed to seal matrix permeability, preventing fluid loss and formation damage
• Can be used in water-based drilling fluids with the addition of a non-ionic surfactant


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