Petroleum refining field covers clean gasoline, kerosene and diesel production technology, inferior and heavy crude processing technology, petroleum and chemical combination technology, production technology of transportation fuels and petrochemical raw materials from natural gas, etc.

Centering on the production technology of clean fuels, the R&D fields mainly include catalytic cracking, catalytic hydrotreating, catalytic reforming, light olefin isomerization, solid acid alkylation, clean fuel analysis method and standard research, etc. The field of heavy crude processing mainly includes two technologies, namely, decarburizing and hydrotreating, as well as the R&D of their combinations.