The five Caspian countries severely contend with each other for their own national interest in three issues, the legal status of Caspian Sea and its water body division, exploitation rights of oil/gas as well as the pipeline route.

• 里海沿岸五国为维护各自的国家利益,在里海的法律地位和水域划分、油气勘探开采权、油气输出管道走向等三个问题上展开激烈的斗争,各国间利益冲突难以平衡。