FACTBOX-Oil companies begin Gulf of Mexico shut-ins
September 01, 2011 at 15:57 PM EDT
Sept 1 (Reuters) - Major oil and natural gas producers in the U.S. Gulf of Mexico have begun shutting in some production as they evacuate personnel due to the threat of a tropical cyclone in the area within the next 48 hours. [ID:nN1E7800WZ]
