The Paleogene lithologic oil reservoirs are mainly sand lens reservoirs,updip pinchout sandbody,and sandbody reservoirs cut through by faults.

• 古近系岩性油藏主要包括砂岩透镜体油藏、砂体上倾尖灭油藏和砂体被断层切穿的岩性油藏3种类型。