"I don't want to leave this stock just because the price of crude has come down," said Jim Cramer of Schlumberger ( SLB ) on CNBC's "Stop Trading!" segment on Monday.He said that under $50, Schlumberger "has been a pretty good buy" and he "would go there again." He also liked Transocean ( RIG) under $60. Cramer's recommended Rangold ( GOLD) and Agnico-Eagle ( AEM) in the past. "When it got really hot, we said, 'Woah, hold on,'" he said. "Now they're coming back. He said he wants to be in Rangold, and if Agnico-Eagle can dip down to $48 or so, "I think you can make money."