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			 U.S. crude also retreated from its 2015 high, but registered a fifth 
			straight weekly gain, which at 7.9 percent was the biggest since it 
			jumped 13.5 percent in the week to Feb. 25 2011. 
			 
			Brent June crude fell 53 cents to settle at $63.45 a barrel, having 
			swung from $62.95 to $64.50 after hitting $64.95, its 2015 high, on 
			Thursday. 
			 
			Brent's second straight weekly gain, the fourth in five weeks, was 
			its biggest since a 9.9 percent rally in the week to Oct. 16, 2009. 
			 
			U.S. May crude, expiring on Tuesday, fell 97 cents to settle at 
			$55.74. It reached a 2015 peak of $57.42 on Thursday. 
			 
			Yemen's escalating conflict sparked Thursday's rally and on Friday 
			military units protecting the Masila oilfields withdrew. 
			 
			While Yemen is not a major oil producer, the conflict raises concern 
			about risks to supply from the region's major exporters, especially 
			Saudi Arabia. 
			
			  
			Oil rallied Wednesday on data showing the smallest weekly U.S. 
			inventory build since Jan. 2. That followed reports of U.S. 
			production beginning to pull back as the price retreat since June 
			weighs on producers. 
			 
			Oil initially pared losses after Baker Hughes data showed U.S. oil 
			drilling rigs fell for a record 19th straight week, although this 
			week's 26-rig drop was lower than the loss of 42 last week. 
			 
			"Futures markets are always forward-looking and as a result, the 
			market has seen a focus shift away from rising stock levels ... and 
			toward production leveling where significant uncertainties lie 
			ahead," Jim Ritterbusch, president of Ritterbusch & Associates, said 
			in a note. 
			 
			
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			Prices also drew support from traders closing out short positions, 
			encouraged by strong technical factors, said Rob Montefusco, senior 
			oil trader at Sucden Financial. 
			 
			"Technically, Brent is looking in better shape at the moment," he 
			said. 
			 
			Brent and U.S. crude pushed above their 100-day moving averages this 
			week. Brent's 50-day average of $58.18 moved above its 100-day of 
			$57.90 on Friday, a bullish move called a "golden cross" by chart 
			watchers. That puts the 100-day average as a major new support 
			level. 
			 
			Speculators raised their net long U.S. crude futures and options 
			positions in the week to April 14, the U.S. Commodity Futures 
			Trading Commission said. 
			 
			(Additional reporting by Himanshu Ojha and Alex Lawler in London and 
			Henning Gloystein in Singapore; Editing by William Hardy, Gunna 
			Dickson, Jonathan Oatis and Peter Galloway) 
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