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 Characterization and numerical simulation technology of viscoelastic behavior of shale reservoirs