CAMPOS BASIN PIPELAY- Conclusion: Lessons of Roncador pipelay point to time, cost savings

Installation of flowlines and umbilicals in July-September 2000 in the Campos basin offshore Brazil set a depth record for rigid flowlines. The project for Petrobras connected three wells in the Roncador field back to the P-36 floating production platform.Three pairs of rigid flowlines (4 and 6 in.) were installed in water depths to 1,870 m by the reel vessel DSND Skandi Navica. The purpose-built, flexible pipe installation vessel DSND Lochnagar installed flexible jumpers and risers to tie-in the rigid flowlines to the wellheads and platform, respectively. In addition, an electro-hydraulic umbilical for each of the wells was installed.All subsea connections were performed by a vertical co...

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