Xilingol alliance is in Erlianhot basin which have the petroleum resources enrich, inside basin of the well hollow area, wrap to contain more than 40s to living oil structure area inside the scope which reaches to come to hollow area about 100,000 square kilometers of Aershan hollow area and Sanggendalan, explore a verification to 11 areas of living oil structure, discovered two bigger contain oil area.According to the estimate, the Xilingol alliance inshore petroleum geology keeps to measure 500,000,000 ton, the prospect keeps quantity can reach to 1,000,000,000 tons or so