medium_small oilfields dominated by marine sandstone, large_medium normal heavy oilfields dominated by nonmarine sandstone, complex fields dominated by complicated faulted_blocks (including buried hills and special lithologic bodies) and large_medium sandstone gasfields.

Transporting conditions of faults required in formation of large and medium gas fields with high efficiency in foreland basin;

Sealing and preservation conditions for large and medium gas fields of China;

Main control factors of large and medium gas fields and exploration domains in China;

On the formation and distribution of mid-large oil and gas fields in the Tarim Basin;