Petroleum and chemical machinery design theory and energy-saving technology
       Special gas preparation technology, industrial waste gas recovery technology
       Industrial wastewater and waste fluid separation and recovery technology
       Tran**ission process enhancement and numeric prediction
       Integration of energy system and heat exchanger network
       2-phase flow separation technology and product development during oil and gas production and transport processes
       Structure stress ****ysis of offshore petroleum installations and research on detecting technology
       Research and development of labyrinth screw pump
       Oil derrick bearing capacity test simulation research
       Application of corrosion protection technology in petrochemical equipment
       Research and development of environmental equipment