The fault-lithologic reservoir is formed easily in downthrow block of the fault and is the main reservoir type in this area.Entrenched valley system is confirmed to have satisfactory hydrocarbon show.

• 在该区横切下切谷断层的下降盘易于形成断层-岩性油气藏，这也是下切谷沉积体系发育的主要油气藏类型，并具有较好的油气显示。