Niuxintuo Area in Liaohe Depression is a fault basin, tectonic movement is complex and fault is developed at the basement and at the late stage, where the conditions for creating various hydrocarbon reservoirs are provided.

• 摘要辽河坳陷牛心坨地区为断陷湖盆，基底及后期的构造活动复杂，断层发育，具有形成各类隐蔽油气藏的地质条件。