In the western East depression, however, the source rocks are lower in hydrocarbon generation potential and the resources prospectiveness is minor as well.

• 坳陷中、东部区域烃源岩生烃潜力大，具有良好的油气资源前景，而坳陷西部区域烃源岩生烃潜力较小，油气资源前景较差。