Impact’s ROCKBLOCK® solutions are lost circulation additives designed to quickly seal natural and induced fractures during lost circulation events. This line of proprietary lost circulation material (LCM) is field-proven to reduce losses when used as recommended, and has performed successfully in both North America and the Middle East. ROCKBLOCK 3 and ROCKBLOCK 5 are one-sack blends offering tailored particle size distributions. Both can be used to stem partial to total loss returns in all types of drilling fluids.

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