This work was supported by the National Major Science and Technology Project of the Thirteenth Five Year Plan(No.2016zX05024-003-010);National Natural Science Foundation of China(No.42002123);the Open Fund of State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation(Chengdu Univerisity of Technology,No.PLC2020031).
The Palaeozoic carbonate basement of the Offshore Bohai Bay Basin (OBBB) presents considerable potential for hydrocarbon exploration. However, the multistage tectonism and complex superimposed palaeo-karstification in...