Case History X-PrimaTM Squeeze Eliminates Lost Circulation in Deepwater, Pre-salt Exploratory Well Challenge Lost circulation in offshore reservoir below salt Solution Newpark’s proprietary X-Prima high fluid loss squeeze Results Loss zones were successfully sealed Operator adopted X-Prima as a Best Practice for Deepwater Wells Nordeste Tupi Field, Santos Basin, Offshore Brazil The Nordeste Tupi field is located 158 miles (254 km) off the coast of Rio de Janeiro in the Santos Basin in water 6,970 ft (2,124 m) deep. A microbial calcium carbonate reservoir below the salts, characterized by great vugular pores, proved to be the field’s main challenge. Several previous wells in the field encountered severe lost circulation and resulted in huge volumes of fluid loss

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