Translation. Region: Russian Federal
Source: People's Republic of China in Russian – People's Republic of China in Russian –
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Source: People's Republic of China – State Council News
HOHHOT, Aug. 11 (Xinhua) — The carbon capture, utilization and storage (CCUS) project in the Bayan oil field in Bayan City, north China's Inner Mongolia Autonomous Region, has injected over 70,000 tons of carbon dioxide (CO2) into oil reservoirs.
This marked the establishment of a large-scale CO2 utilization and storage base in Inner Mongolia, the Bayan Nur city government said.
The Bayan oil field has over 300 production wells with deep crude oil deposits. For a long time, the water injection method was used to extract oil, in which water is pumped into oil formations to displace oil to production wells. The oil recovery rate with this method was about 20 percent.
In order to save water and reduce carbon emissions, the field began exploring the possibility of using CO2 to extract oil in 2020. According to Yang Xuesong, chief geologist at the Bayan Oilfield Exploration and Development Branch, the CCUS project has increased the oil recovery rate at the field to about 45 percent.
CCUS is a new technological approach to the efficient low-carbon development of fossil energy. As a technological measure to counteract global warming, CCUS involves storing or utilizing captured CO2, thereby reducing carbon emissions. China is committed to achieving the goals of peaking carbon emissions by 2030 and achieving carbon neutrality by 2060.
In recent years, CCUS technology has made significant progress in China. According to the national carbon capture roadmap released late last year, 126 CCUS projects have been put into operation across the country, an increase of 77 compared to 2020.
In May this year, China's first offshore CCUS project began operations in the Pearl River Estuary Basin in the south of the country. The project, located on the Enping 15-1 platform, is designed to capture associated carbon dioxide generated during oil field development, then purify and inject it into a supercritical state. The treated carbon dioxide is then injected into underground oil reservoirs. Such technologies can increase oil production and capture carbon at the same time. -0-
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