Oil-gas pools of Baiyinchagan Depression are principally distributed in the Middle and Upper parts of Tenggar Formation of Bayanhua Group,Lower Cretaceous.

• 白音查干凹陷的油气藏主要分布于下白垩统巴彦花群腾格尔组中、上部 ,稠油油藏在成油门限之上 ,稀油油藏在成油门限之下。