There are different pool-forming stages for different structural zones, resulting in the heterogeneity of oil-and-gas distribution both laterally and vertically.
不同构造带存在不同的油气成藏期次，因而油气分布在平面上及垂向上存在不均一性。
2
It analyzes the design elements of the pool from several aspects including the pool structure, load, computing model, load combination and internal force calculation and structural requirements.