Venezuelan interim authorities have granted U.S.-backed North American Blue Energy Partners, or NABEP, 100-year concessions for 17 oil fields, with proven reserves of about 65 billion barrels, the White House said on Monday.

NABEP is the second-largest private oil producer in Venezuela. The company has granted the U.S. Department of War's Office of Strategic Capital an equity stake of 35% in its corporate parent, according to the White House, representing up to "hundreds of billions in value and dividends for the United States."