Claimants' case relates to TexPet's historical participation as a minority member of a Consortium with Ecuador and Ecuador's state-owned oil company, Petroecuador, that explored for and produced oil under concession contracts. After its participation ended in 1992, TextPet negotiated a settlement agreement with Ecuador and Petroecuador in 1995 whereby TexPet assumed responsiblity for specified environmental remediation projects corresponding to its minority ownership interest and was released from liability for environmental impact falling outside the scope of the specified projects.