Oil and Gas Well Engineering Research Institute  

Rock mechanics theory and technology in oil and gas engineering

Fluid mechanics theory and technology in oil and gas well drilling

Intelligent guided drilling theory and technology

Efficient rock breaking methods and speed enhancement technology

Intelligent well construction and smart wellbore

Cementing and completion material science and drilling fluid technology

Wellbore integrity theory and annular sealing technology

Oil and Gas   Extraction Engineering Research Institute 

Fluid-solid control (sand control) and completion in   oil and gas production 

Oil and gas flow and intelligent efficient lifting 

Reservoir modification and enhanced oil and gas recovery 

Gas injection for production enhancement and efficient heavy oil development 

Big data and artificial intelligence in oil and gas production 

Theory and technology of new energy and carbon storage engineering

Oil and Gas Reservoir Engineering   Research Institute

Oil and gas seepage theory and methods 

Intelligent oil and gas field development theory and methods 

Deep oil and gas reservoir development methods and technology 

Unconventional oil and gas reservoir development methods and technology 

High water-cut oil reservoir development methods and enhanced oil   recovery technology 

Heavy oil reservoir development methods and technology 

Natural gas hydrate development theory and methods CO2 enhanced oil recovery and storage (CCUS) 

Underground energy storage theory and methods 

In-situ conversion theory and methods for underground resources

Oil and Gas Field   Chemistry Research Institute 

Wellbore reinforcement and reservoir protection

Leakage prevention and plugging during drilling

Unconventional oil and gas drilling and completion fluids

High-temperature drilling and completion fluid systems and control

Chemical flooding for enhanced oil recovery

Water control for increased oil production in high-water-cut oil fields

Efficient workover fluids for reservoir modification

Chemical new materials for oilfields

Oil   and Gas Hydrate Research Institute 

Theory and technology of offshore oil and gas drilling and production

Theory and technology of oil and gas wellbore pressure control

Theory and technology of offshore oil and gas information and control

Theory and technology of safe flow assurance for deepwater oil and gas

Technology of drilling and completion fluids for offshore oil and gas

Theory and technology of natural gas hydrate extraction

Deep-sea oil and gas pipeline structure and safety

Petroleum engineering fluid mechanics

Intelligent Oil and   Gas Field Research Institute

Intelligent oilfield implementation technology 

Intelligent development theory and  technology for oil and gas reservoirs

Intelligent optimization of lifting  and intelligent control technology for wellbore 

Downhole intelligent sensing theory  and technology 

CCUS collaborative theory and intelligent technology 

Intelligent simulation theory and methods for geological energy development and utilization

Intelligent theory and technology for underground complex organic pollution remediation