From inclusion and Ro data, it is clear that Pingbei strata had undergone a higher temperature gradient in geological history, which is favorable for source rock evolution.

• 从包体测温和镜质体反演资料推测平北工区经历了高于今地温梯度的热历史，这对平湖组烃源岩或深部烃源岩演化有利。