Project description

Conversion of a FPSO to be redeployed for Brazilian offshore TUPI field (now Lula field). The FPSO is named Cidade de São Vicente and the operator is Petrobras. This previously Australian FPSO needed to be upgraded to fulfill specifications in Brazil for early phase oil and gas testing and production. In addition, new utilities were required to fulfill all requirements.

Citec's scope

Detail engineering and project management for the upgrade of the FPSO in order to meet Petrobras’ specifications and Brazilian regulations. The EPCM upgrades consisted of inlet production heating skid, cooling and heating system skids, chemical injection upgrade and additional chemical injection skid, HP liquid pumping and testing systems, flare modifications including seawater cooling, methanol injection, all piping on deck modifications as required for new flow from three fields to be tested.

Main separators and produced water system were refurbished and prepared for new service. The work involved use of CAD and DAK tools and process design simulations using HYSYS (Aspentech).

The test separator skid was designed and delivered as part of the scope in an earlier phase of the project. Documentation from all disciplines for the scope of work was delivered on time for input to commissioning. These project tasks were executed by M7 Offshore, which is now a Citec Group company.

Case in brief
Customer: BW offshore
Project location: Brazil
Year completed: 2009
Technical data:
  • Duration: 7 months (from design to delivery of skid at the shipyard)
  • Peak manning project design by us: 30 persons
  • Total weights involved: 200 tons (6 off skids) + piping, pipe rack, tubing and cabling
  • Main skids size: 10 x 20 m and 9 x 5 m
  • Total work on skids: 335 isometric drawings + pipe rack modifications
  • End customer: Petrobras