The largest Ordovician reef-type oil and gas reservoir discovered in China is distributed along the Upper Ordovician carbonate platform margin in the northern of central uplift of Tarim Basin.

• 在塔里木盆地塔中地区发现了中国最大的奥陶系生物礁型碳酸盐岩油气藏,油气沿塔中隆起北部上奥陶统碳酸盐岩台缘相带展布,为无明显边底水、油气水分布复杂的非常规油气藏。