The control of faults over traps made the full anticline traps transformed into fault traps. (2)The traps of the Well Jiepai 1 is a low range anticline trap and fault trap.

• (2)界牌1井为低幅背斜圈闭（断鼻圈闭），其断层可能不具有封堵性，因此未能形成工业性油气流；