In this photo provided by the Diario El Sol de Margarita, a ship carrying five American oil workers, left, arrives to the shore in Margarita Island, Venezuela, Sunday Oct. 13, 2013. The 285-foot

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In this photo provided by the Diario El Sol de Margarita, a ship carrying five American oil workers, left, arrives to the shore in Margarita Island, Venezuela, Sunday Oct. 13, 2013. The 285-foot survey research vessel, sailing under a Panamanian flag, was conducting a seismic study under contract for Anadarko Petroleum Corp. on Thursday when it was detained by an armed Venezuelan navy vessel and ordered to sail under escort to Margarita Island, which is part of Venezuela. The U.S. chartered vessel was intercepted in disputed waters off the coast of Guyana, a move that threatens to revive a decades-old territorial dispute between South America's biggest oil producer and one of the region's poorest nations(.AP Photo/Cristian Zerpa, Diario El Sol de Margarita) less 

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Associated Press
Wed, Oct 16, 2013 2:56 AM EDT