Well Completion and reservoir stimulation technology for low permeability reservoir Drilling technology for low permeability reservoir Drilling & compeltion tools and equipment for low permeability reservoir Well-logging evaluation technology for low porosity and permeability reservoirs 并列题名：Mechanism and reservoir engineering of carbon dioxide flooding in low permeability reservoir Mechanism and reservoir engineering of carbon dioxide flooding in low permeability reservoir Ground engineering technology for ultra-low permeability reservoirs 并列题名：Ground engineering technology for ultra-low permeability reservoirs Characterization and numerical simulation technology of viscoelastic behavior of shale reservoirs