Datianchi structural belt situates in high and steep district where subterranean forms are complicated,and the formation dip angle is large, with lots of payzones.

• 大天池构造带位于川东高陡构造区，地腹形态复杂，地层倾角大，产层多，具有喷、漏、塌、卡、斜、毒等多种特性。