Langa anticline belt located in southern Tahe oil field is of condition of non-anticline trap with low degree of exploration.

• 摘要兰尕背斜带处于塔河油田南部，具有发育非背斜圈闭的条件，勘探程度较低，依赖于初始模型的常规反演方法难以获得精确的反演结果。