摘要:The study of the paleo-reservoir is of great significance for oil and gas exploration. Firstly, the existence of paleo- reservoirs can reflect there has been hydrocarbon accumulation process in this area, where there once was the advantageous condition with source-reservoir-cap combination; secondly, it can indicate that this area has certain resource potential. The purpose of this research is: through the study of the paleo-reservoir of CSDP-2 well in the Laoshan uplift of the South Yellow Sea Basin, which is a scientific investigation well, it can provide geological basis for marine oil and gas exploration of the Mesozoic and Paleozoic in the Laoshan uplift of the South Yellow Sea Basin, and at the same time can provide important information for future exploration target selection.