斯普罗（Spiro）储层是美国俄克拉荷马州匹兹堡县哈桑（Hartshorne）南部气田的一个厚20～25m的岩石地层单元，由大致等量的灰岩和砂岩构成。
The Spiro Sandstone is a rock unit , 20-25 m thick , that consists of about equal amounts of limestones and sandstones in the South Hartshorne Gas Field , southeastern Oklahoma . Six lithofacies have been recognized .
俄克拉荷马县