Group 1 - The core viewpoint of the news is that the Bayannur Oilfield in Inner Mongolia has successfully established a large-scale carbon capture, utilization, and storage (CCUS) base, with a total CO2 injection exceeding 70,000 tons as of August 5 [1] - The Bayannur Oilfield, located in the Hetao Basin, became the first oilfield in western Inner Mongolia to achieve an annual production of one million tons of oil since the first high-yield industrial oil well was drilled in 2018 [1] - The oilfield has over 300 production wells and has been utilizing water flooding for oil extraction, achieving a final recovery rate of approximately 20% [1] Group 2 - To achieve water conservation and carbon reduction goals, the Bayannur Oilfield began exploring CO2-driven oil extraction methods in 2020, establishing three CCUS pilot test areas involving over 40 wells, injecting more than 500 tons of CO2 daily [1] - The oilfield relies on a national-level CCUS innovation team to tackle key technologies for efficient CCUS development, gradually building a comprehensive industrial chain technology system that integrates CO2 capture, transportation, storage, and enhanced oil recovery [1] - The Hetao region is utilizing gas injection and water injection technologies to develop oil, achieving efficient linkage of deep, medium, and shallow oil and gas resources while simultaneously advancing geological exploration, drilling, oil extraction, and surface engineering [2]