Total E&P USA, Inc. v. Kerr-McGee Oil and Gas Corp., 711 F.3d 478 (5th Cir. 2013)

(court overturned grant of summary judgment in favor of oil drillers; "calculate and pay" clause in oil contract was ambiguous regarding whether overriding royalties were suspended along with government's interest under Deep Water Royalty Relief Act; case remanded for factual inquiry regarding intent of parties; dissent filed stating provision was not ambiguous and royalties should be suspended).