May 17 Reuters Oil prices gained on Friday, with global benchmark Brent set for its first weekly increase in three weeks on signs of improving global demand amid stronger economic indicators from key consumers China and the United States.

Brent crude oil prices climbed 39 cents, or 0.47, to 83.66 a barrel by 0603 GMT. U.S. West Texas Intermediate WTI crude futures rose 22 cents, or 0.28, to 79.45 a barrel.

Brent futures are set to rise about 1 on a weekly basis, with WTI futures set to gain 1.5.

WTI crude oil prices seem to have found a nearterm floorsupport at around US78.40barrel after a 9 decline from 26 April in the past week due to several encouraging factors such as two consecutive weeks of decline in U.S. crude oil stockpile and more upcoming 39;piecemeal39; stimulus measures from China, said OANDA senior market analyst Kelvin Wong.

Markets were further bolstered by China39;s industrial output growth at 6.7 yearonyear in April as recovery in its manufacturing sector gathered pace, pointing to possibly stronger demand to come.

Declines in oil and refined products inventories at major global trading hubs have also created optimism over oil demand growth, reversing a trend of rising stockpiles that had weighed heavily on crude oil prices in prior weeks.

Recent economic indicators from the United States have fed into the optimism over global demand. U.S. consumer prices rose less than expected in April, data showed on Wednesday, boosting expectations of lower…