The oilandgas accumulation process research is the oilandgasbearingbasin research important content, has the extremely important geological significance.
油气成藏过程是含油气盆地研究的重点内容，具有十分重要的地质意义。
2
The Taibei Depression is the main oilandgasbearing area of Tuha Basin, and the coal bearing stratum of the Xishanyao Formation is the most important source rock in the area.
台北凹陷是吐哈盆地的主要含油气区，而西山窑组煤系地层是该地区的主力烃源岩。
3
There are many oil-andgas-bearing series in Tarim basin, and the currently discovered oil and gas reserves are mainly distributed in Ordovician, Carboniferous and Triassic reservoirs.