oil and gas layer

• 油气层

oil and gas layer的用法和样例：

例句

1. The evaluation of low resistivity oil and gas layer is a difficult issue in oil exploration.
   低电阻率油气层的评价是当前测井解释领域中普遍关注的难题。
2. A shale formation with sandstone interbedded is also a potential oil bearing formation.
   以泥岩为主，夹砂岩的地层也可能是油气层。