United States, Oct. 16 -- Halliburton announced that Petrobras awarded multiple contracts to provide vessel stimulation, intelligent completions, and safety valves in Brazil's deepwater fields after a competitive process.In the Buzios field, Halliburton will deploy its SmartWell(R) intelligent completion technology to enable real-time reservoir management and actionable insights to optimize production. For the Seepia and Atapu fields, Halliburton will provide EcoStar(R) electric tubing retrievable safety valves (eTRSV) to improve the safety and efficiency of this project.Additionally, Halliburton's Stim Star Brasil, tailored for Petrobras activity, will deliver stimulation services that focus on reservoir productivity and improve asset perf...