NuStar Energy announces long-term agreements for light crude oil storage NuStar Energy announced that it has signed long-term agreements for light crude oil storage at its St. Eustatius terminal in the Caribbean and its Pt. Tupper terminal in Nova Scotia. In St. Eustatius, NuStar signed an agreement with a national oil company to lease 5M barrels of light crude oil storage. The agreement took effect March 1 and the first shipment is expected to arrive this week. In Pt. Tupper, the company re-signed a major U.S. oil company that will be leasing 3M barrels of light crude oil storage. This new agreement will go into effect on August 1, a day after the previous contract expires.