Complexly faulted oilfield occurs where following three geological conditions co-exlst: (1)long term heritative faulting covers the stage of oil migration and accumulation;

• 复杂断块油田出现于同时具备以下三个条件的地方：（1）长期继承性断裂活动覆盖了油气运移期；（2）断裂作用成为构造形成的主导因素；