摘要
1 Introduction Petroleum accumulations from the Earth＇s crust can be grouped into conventional and unconventional ones. The history of the world＇s petroleum exploration is a history from the exploration of conventional accumulations to that of unconventional ones.
1 Introduction Petroleum accumulations from the Earth＇s crust can be grouped into conventional and unconventional ones. The history of the world＇s petroleum exploration is a history from the exploration of conventional accumulations to that of unconventional ones.
