The carbonate rocks of Ordovician in Lunnan area are generally not reservoirs,but the deuterogenous karstificated holes,pores and seams can serve as valid reservoirs.

• 塔里木盆地轮南地区奥陶系碳酸盐岩基岩总体为非储层,有效储集体为由岩溶作用形成的次生孔、洞、缝型储集体。