In October /1994 PETROBRAS, leading a team of six companies (Reda, Lasalle, Tronic, Pirelli , Cameron, Sade-Vigesa ) has installed for the first time in the world an Electrical Submersible Pump in a subsea well . The subsea ESP system in the well RJS-221, located in 86 meters water depth, in the Carapeba oilfield, completed two years and ten months in operation without failures.
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