Compared with the normally trappedgas, the accumulation of typical deep basin gas is dominantly controlled by the capillary pressure and burying depth of tight sands.
与受浮力作用影响(与气柱高度有关)的典型常规气藏相比，典型深盆气成藏与埋藏深度有关。
2
There are two typical kinds of mechanisms and models for gas migration, accumulation and preservation, including deep basin or basin centered gas accumulations and generally trappedgas accumulations.
游离相天然气在从运移到聚集和保存的过程中，通常存在着深盆气藏和常规圈闭气藏两种机理模式。
3
When the well reaches a pool, oil usually rises up the well because of its density difference with water beneath it or because of the pressure of expanding gastrapped above it.