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    DNV verifying engineering design for P-51 and P-52

    News // September 12, 2002
    Classification DNV says it verifying the engineering design of the new semi-submersibles P-51 and P-52 - two of the larger production units in the world, on behalf of Petrobras in Brazil.

    P-52 will replace the P-36, which sank on the Roncador field in March 2001. P-51 will start production from the Marlim Sul field.

    DNV has recently signed two contracts - one with UTC-Projetos e Consultoria SA, a Technip-Coflexip Group company, for verification of the front-end engineering design of the topsides for the platforms, and the other with Aker Kværner for the hull verification.

    The design of P-51 and P-52 is based on field-proven Aker design, which is used for Snorre B on the Norwegian continental shelf. The two units will have an oil-production capacity of 180,000 barrels per day and a gas-compression capability of 7,200,000 Sm3 per day for P-51 and 9,300,000 Sm3 per day for P-52.

    A total of 80 risers, including oil-production, gas-lift, control-umbilical, water-injection and import/export risers, are to be connected to a spider deck of P-51 and P-52, respectively. Each unit will have accommodation facilities for 200 persons.

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