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Lula-Mexilhão gas pipeline, longest and deepest rigid undersea pipeline in Brazil, opens up

The Consortium operating Block BM-S-11, formed by Petrobras (65% - Operator) in partnership with BG Group (25%) and Petrogal Brasil S.A. - Galp Energia (10%), has opened up the Lula-Mexilhão gas pipeline. The system connects the Lula field to the Mexilhão platform, located in shallow Santos Basin waters. With a capacity to take off up to 10 million m3 gas per day, the pipeline will transport gas produced in the Pre-Salt Cluster.

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Lula-Mexilhão pipeline. Click to enlarge.

This project is strategic for developing production in the Santos Basin Pre-Salt layer and to increase gas supply flexibility on the domestic market.

Petrobras calls Lula-Mexilhão is an unprecedented milestone for Brazilian engineering. Extending more than 216 kilometers (134 miles), 18 inches in diameter and operating at a pressure of 250 bar, it is the deepest and longest undersea pipeline ever laid in Brazil.

It begins 2,145 meters (7,037 feet) below sea level, where it is connected to the Cidade de Angra dos Reis FPSO vessel (floating production, storage and offloading) in the Lula field, and terminates at the connection to the Petrobras’ Mexilhão platform, at a depth of 172 meters. Of strategic importance to Santos Basin logistics, the Mexilhão platform is the largest fixed production unit in Brazil.

The new pipeline will also play a part in taking off natural gas from the platforms involved in developing phase one of the Santos Basin Pre-Salt operations.

The Lula-Mexilhão gas pipeline is linked to other Petrobras System facilities, including the pipeline connecting the Mexilhão field to the Monteiro Lobato Gas Treatment Unit (UTGCA) in Caraguatatuba (state of São Paulo) for transporting gas to the mainland, and the Caraguatatuba-Taubaté pipeline which transports processed gas to the domestic market distribution network.

Integration of the BM-S-11 Consortium’s Lula-Mexilhão gas pipeline with Petrobras’ existing facilities will be crucial for speeding up Brazilian Pre-Salt oil production, the company says.

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