API shows large build in U.S. crude stockpiles sources
OPEC exports estimates remain high Goldman Sachs
China39;s exports extend declines

Nov 8 Reuters Oil prices struggled on Wednesday after sliding to their lowest levels in over three months in the previous session, weighed down by concerns over waning demand in the world39;s top oil consumers, the United States and China.

Brent crude futures advanced by 15 cents to 81.76 a barrel by 0636 GMT, while U.S. crude futures dipped 2 cents to 77.35 a barrel. Both declined to the lowest since July 24 on Tuesday.

The market is clearly less concerned about the potential for Middle Eastern supply disruptions and is instead focused on an easing in the balance, said Warren Patterson and Ewa Manthey, analysts from ING bank, in a note to clients, referring to an easing in tight oil supply conditions.

U.S. crude oil stocks rose by almost 12 million barrels last week, market sources said late on Tuesday, citing American Petroleum Institute figures.

The U.S. Energy Information Administration EIA will delay the release of weekly inventory data until the week of Nov. 13.

Crude oil production in the United States this year will rise by slightly less than previously expected while demand will fall, the EIA said on Tuesday.

The EIA now expects total petroleum consumption in the country to fall by 300,000 bpd this year, reversing its earlier forecast of a 100,000 bpd increase.

The agency also forecast Venezuela39;s crude oil…