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HONG KONG, July 16, 2025 /PRNewswire/ — CNOOC Limited (the “Company”, SEHK: 00883 (HKD Counter) and 80883 (RMB Counter), SSE: 600938) today announces that it has achieved a major breakthrough in the exploration of metamorphic buried hills in the deep plays in the South China Sea for the first time.
The Weizhou 10-5 South Oil and Gas Field is located in the Beibu Gulf of the South China Sea, with an average water depth of 37 meters. Exploration well WZ10-5S-2d encountered an oil and gas pay zone of 211 meters, with a total drilled depth of 3,362 meters. The test results indicate that the well produces 165,000 cubic feet of natural gas and 400 barrels of crude oil per day. It marks a major exploration breakthrough in the metamorphic sandstone and slate buried hills offshore China.
Mr. Xu Changgui, the Chief Geologist of the Company, said, “In recent years, CNOOC Limited has consistently intensified theoretical innovation and tackled key technology challenges in buried hills and deep plays exploration. Breakthroughs have been achieved in the exploration of Paleozoic granite and Proterozoic metamorphic sandstone and slate buried hills within the Beibu Gulf Basin. They demonstrate the vast exploration potential in buried hills formations, drive the secondary exploration process in mature areas, and mark the commencement of large-scale exploration of buried hills in the Beibu Gulf Basin.”
Mr. Zhou Xinhuai, the Chief Executive Officer of the Company, said, “This represents the first major breakthrough in metamorphic sandstone and slate buried hills exploration offshore China, setting important example for advancing deep plays and buried hills oil and gas exploration. In the future, CNOOC Limited will continue to intensify research on key theories and technologies for deep play exploration, to enhance research and development capabilities, advance reserves and production growth, and to ensure stable supply of oil and gas.”
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Notes to Editors:
More information about the Company is available at https://www.cnoocltd.com.
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This press release includes forward looking information, including statements regarding the likely future developments in the business of the Company and its subsidiaries, such as expected future events, business prospects or financial results. The words “expect”, “anticipate”, “continue”, “estimate”, “objective”, “ongoing”, “may”, “will”, “project”, “should”, “believe”, “plans”, “intends” and similar expressions are intended to identify such forward-looking statements. These statements are based on assumptions and analyses made by the Company as of this date in light of its experience and its perception of historical trends, current conditions and expected future developments, as well as other factors that the Company currently believes are appropriate under the circumstances. However, whether actual results and developments will meet the current expectations and predictions of the Company is uncertain. Actual results, performance and financial condition may differ materially from the Company’s expectations, including but not limited to those associated with macro-political and economic factors, fluctuations in crude oil and natural gas prices, the highly competitive nature of the oil and natural gas industry, climate change and environmental policies, the Company’s price forecast, mergers, acquisitions and divestments activities, HSSE and insurance policies and changes in anti-corruption, anti-fraud, anti-money laundering and corporate governance laws and regulations.
Consequently, all of the forward-looking statements made in this press release are qualified by these cautionary statements. The Company cannot assure that the results or developments anticipated will be realised or, even if substantially realised, that they will have the expected effect on the Company, its business or operations.
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For further enquiries, please contact:
Ms. Cui Liu
Media & Public Relations
CNOOC Limited
Tel: +86-10-8452-6641
Fax: +86-10-8452-1441
E-mail: mr@cnooc.com.cn
Mr. Cheng Yao
Ever Bloom (HK) Communications Consultants Group Limited
Tel: +852 5540 0725
Fax: +852 2111 1103
Email: cnooc.hk.list@everbloom.com.cn
