Many times structure movements of huanhua basin result in many times water progradation and retrogradation . cycle sediment in portrait and stratum lapout & denudation in plane and vary of different types sand body are resulted in sediment process . it provides better condition for subtle trap 研究表明，黄骅坳陷构造运动的多期性形成多次水进水退，在沉积上产生了纵向的多旋回性和平面上的地层超覆与剥蚀以及不同类型砂体的变化，为隐蔽油气藏的形成提供了良好条件，盆地中区是隐蔽油气藏较为集中的分布区。
