pumping unitglossary / PUMPING UNIT pumping unit. Oil & gas. Equipment used to pump oil to the surface when the pressure difference between the formation and the borehole is not strong enough to cause oil to rise to the surface. — Also termed pumpjack; horsehead. 词条贡献者 译者Terence,毕业于国内顶尖法学院,擅长翻译各种与复杂结构性融资相关的法律文件。