Mixed Chinese data, possibly weaker winter demand weighs
API shows crude, gasoline stock fall market sources
Coming up EIA data on U.S. crude stocks at 11 a.m. EDT

SINGAPORE, Sept 7 Reuters Oil prices eased on Thursday as worries over demand due to a seasonal slowdown during winter and an uncertain economic outlook for China outweighed expectations of tighter supplies from extended production cuts in Saudi Arabia and Russia.

Brent crude futures fell 36 cents to 90.24 a barrel by 0645 GMT, after a ninesession winning streak. U.S. West Texas Intermediate crude WTI futures fell 37 cents to 87.17 a barrel after seven sessions of gains.

Both benchmarks had spiked earlier in the week after Saudi Arabia and Russia, the world39;s top two oil exporters, extended voluntary supply cuts to the yearend. These were on top of the April cuts agreed by several OPEC producers running to the end of 2024.

At present, it is really difficult for us to see any negative factors due to supply constraints. However, we need to consider possible demand risks such as in the fourth quarter, the market could slow into an off peak season for oil consumption after summer demand ends, said CMC Markets39; Shanghaibased analyst Leon Li.

Market participants also digested mixed data from China. Overall exports fell 8.8 in August year on year and imports contracted 7.3. But crude imports surged 30.9.

Li said there were some encouraging signs for the Chinese economy. The extent of declines in trade…