fixed term leaseglossary / FIXED-TERM LEASE fixed-term lease. Oil & gas. An oil-and-gas lease for a fixed period of time, lacking the indefinite “so long thereafter” provision commonly found in such leases. Cf. HABENDUM CLAUSE. 词条贡献者 译员Terence,毕业于国内顶尖法学院,擅长翻译有关能源和自然资源领域的法律文件。