Lower Ordovician carbonate rock is the major reservoir in Akekule area of Tarim Basin, and karst is the most important factor influencing Ordovician reservoir.

• 下奥陶统碳酸盐岩是阿克库勒地区主要含油气层 ,岩溶作用是影响奥陶系储层发育的最主要因素。