Brazilian oil workers are vowing to go ahead with a strike on more than 40 offshore platforms despite a court order threatening them with fines.
Union chief Vitor Carvalho says about 2,500 workers in the Campos Basin will begin the strike at midnight Monday (0300 GMT).
The oil workers are demanding that state-run oil company Petrobras give them an extra day off at the end of each two-week shift on the platforms.
Carvalho said Sunday the union will ignore a court ruling ordering it not to strike and providing for a daily fine of 50,000 reals (US$31,200).
The Campos Basin produces more than 80 percent of Brazil's oil output. Petrobras says it has a contingency plan for the strike.