India’s largest refiner is signaling it may be ready to reopen a door it closed less than a year ago — if Washington lets it. Reliance Industries said Thursday it would consider buying Venezuelan crude again if sales are permitted to non-U.S. buyers, showing just how quickly global oil trade patterns are being reshuffled after the United States moved to allow limited Venezuelan exports following the capture of Venezuelan leader Nicolas Maduro. Reliance, which operates the world’s largest refining complex, stopped taking Venezuelan…