marketing covenantglossary / MARKETING COVENANT marketing covenant. Oil & gas. In a mineral lease, the implied promise that the lessee will market the production from the lease within a reasonable time and at a reasonable price. See REASONABLY-PRUDENT-OPERATOR STANDARD. 词条贡献者 资深译员Grace,毕业于一所培养最顶级翻译人才的语言学院,擅长翻译各类与商业诉讼及争议相关的法律文件。