Iran plans to double crude exports to regain market share U.S. explorers added more than 30 oil rigs since start of June Oil extended losses from a two-month closing low as Iran and Libya flagged export increases after U.S. drillers expanded drilling amid a global supply glut. Futures fell as much as 0.6 percent in New York after dropping 1.4 percent on Monday. Iran plans to double crude exports, according to Mohsen Ghamsari, director of international affairs at state-run National Iranian Oil Co. Libya’s state crude producer is seeking to reopen oil ports and restore crude output, according to its chairman.