They include mainly subaqueous distributory channal,flood plain,river mouth bar,sheet bar,distal bar and prodelta clay sedimentary microfacies,and channel bar and flood plain splay submicrofacies.

• 不同沉积微相由于其储层非均质性强弱不同，导致对油层物性、含油气性以及油气产能的影响不同。