Wärtsilä Hamworthy, provider of environmental and liquid cargo handling solutions for the marine and oil and gas markets, announced a contract to supply its flare gas recovery packages to four floating production, storage and offloading (FPSO) vessels, currently under construction for Petrobras. The newbuildings are said to be deployed on the pre-salt fields off Santos, Brazil. Three of the FPSOs will be utilised for Block BM-S-11 Lula (Tupi) and one will go to Block BM-S-9 Guara. Each unit will be able to handle 150,000 bpd.