Well-logging evaluation technology for low porosity and permeability reservoirs Drilling technology for low permeability reservoir Ground engineering technology for ultra-low permeability reservoirs Fracturing technology for ultra-low permeability reservoirs Scale effective development technology of low permeability and ultra-low permeability complex reservoirs Nmr logging evaluation method for tight sandstone reservoir Well Completion and reservoir stimulation technology for low permeability reservoir Testing and evaluation technology for intelligent and connected vehicles