在某些压力和温度的条件下，储油构造中不出现气体。

Under certain conditions of pressure and temperature in the trap, no gas is present.

文中着重介绍利用，SPOT高分辨率卫星图像进行地质填图，探讨图像上构造形迹的组合型式及其与地下深部储油构造的关系。

In the paper, the geological mapping utilizing SPOT image is presented, and lineament pattern and its relationship with subsurface gas-bearing structure is discussed.