I didn't go to university is paxil or zoloft better for ocd Nearly two-thirds of oil output in the U.S. Gulf of Mexicowas halted as Karen neared the Louisiana coast earlier thisweek, prompting oil and gas companies to shut platforms andevacuate workers in preparation for the storm. The Gulf accountsfor about 19 percent of U.S. oil production and 6 percent ofnatural gas output.