For lithologic reservoirs, the width of sandstone distribution is different in different depositional environments.

对于岩性油藏，不同沉积环境所形成砂体的展布宽度是有差异的。

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Different depositional environments in different evolution periods resulted in different source rocks respectively.

不同发展期有不同沉积环境，因而形成了不同生油能力的生油岩。

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Physical properties of the sandy conglomerate reservoirs differ greatly in different depositional environments, and the best occurs in underwater distributary channel on fan delta front.

砂砾岩储层的物性随着沉积环境的不同表现出较大的差异，且以扇三角洲前缘亚相水下分流河道微相最好。

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