Chieftain International (U.S.) Inc., et al. v. Southeast Offshore, Inc., 553 F.3d 817 (5th Cir. 2008)

(defendant, owner of fractional interest in an oil and gas lease, found liable for $5.8 million in unpaid fees incurred by the operator of the underwater oil and gas exploration operation, which paid operation costs up front for all fractional owners; operator did not affirmatively release defendant from obligations under the parties’ joint operating agreements before defendant assigned its rights to a third party).