sand lens

• 砂岩透镜体

sand lens的用法和样例：

例句

1. Abstract The lithological oil gas pools mainly consist of lens shaped sandrock and up tilted pinching sandrock oil reservoirs in Dongying Sag.
   东营凹陷岩性油气藏主要为砂岩透镜体油气藏和砂岩上翘尖灭油气藏。
2. It is possible to form abnormal pressure in the fleet stratum because the fluid of sandstone can not be expelled effectively in the sandstone lens closed down by mudstone.
   在被泥岩封闭的砂岩透镜体中，砂岩中的流体无法有效排出，导致在较浅的深度就可能产生异常超压。