Brent crude fell below $99 a barrel on Tuesday as Norway's government intervened in a labor strike and ordered a last-minute settlement to prevent a full closure of its oil industry.
The strike over pensions, which began on June 24, had cut oil production from the world's No. 8 oil exporter by about 13% and kept oil prices on the boil.
Later in the day, China's trade data will offer a test of domestic demand in the world's second-biggest economy as global investors seek to gauge Beijing's ability to avoid a deep downturn in growth.
Brent fell $1.62 to $98.70 a barrel by 0939 GMT after settling up $2.13 on Monday.
US crude was down $0.79 cents at $85.20 a barrel after rising $1.54 on Monday.