Crude oil prices fell on Friday Brent crude oil futures fell in the first week since mid-January after U.S. industrial production unexpectedly fell worrying weak economic activity. 

The data released Friday by the U.S. Federal Reserve Board (FED Fed) January industrial production fell 0.1% in December revised the previous month increased by 0.4% analysts had forecast 0.2% growth in January. 

U.S. crude oil prices fell as traders in the United States before the long weekend to sell off parts of. 

"We have repeatedly pushed U.S. crude oil futures rose above $ 98 and test the $ 100 mark but this becomes an insurmountable obstacle so we sell" iitrader.com LLC chief market strategist Richard Ilczyszyn said. 

April Brent crude oil futures fell to a low of $ 116.28, fell $ 1.72 a later rebound settlement price fell 0.34 U.S. dollars a barrel to $ 117.66 the contract this week, down $ 1.24, or 1%, the first since the week of January 13 week of decline. 

U.S. crude futures fell $ 1.45 to settle at $ 95.86 on Friday. Rose slightly this week to 0.14 U.S. dollars. 

Commodity markets on Friday generally was the weight of gold fell to a six-month low due to a series of economic data suggesting the global economic expansion is not as fast as expected. 

But not all U.S. economic signals Friday are negative. Thomson Reuters / University of Michigan survey released Friday showed the U.S. February consumer sentiment index to improve the signs of increased corporate recruiters boosted But the people of the future income decline worries intensified. 

Disagreement global economic outlook Mengyin in Moscow, the Group of 20 (G20) finance ministers meeting on economic policy and its impact on the currency. 

Economists are worried that may lead to competitive devaluation currency war so that countries around the world into poverty. 

Negotiations between Iran and the United Nations seems to fail inspectors return from Tehran not to restore check agreement and has not set a date of the next meeting of the Iran nuclear issue lead to oil supply worries support oil prices.