Riteks RiSeal Spacer 1000 is a next-generation, low ECD-combatting spacer with superior hole-cleaning capabilities, lower rheologies, and formation sealing characteristics. RiSeal Spacer 1000 exhibits superior performance in preventing lost circulation while cementing & allows for a reduction to non-productive time (NPT), while also being easy-to-handle, quick hydrating, and tailored to reduce the permeability of pores and fractures. This sealing spacer system also boasts temperature stability up to 300°F (149°C).