To make sure the petroleum migrating direction and pool-forming model in the Weixinan sag,4 wells were chosen to do research on fluid inclusions and petrography.

• 为查明北部湾盆地油气运移方向及成藏模式,在涠西南凹陷选取有代表性的4口井进行储集层流体包裹体研究和系统的岩相学研究。