CNOOC Limited Announces World’s First Semi Submersible “Double Hundred” Deep-sea, Floating Wind Turbine Linked to the Grid

HONG KONG, May 20, 2023 CNOOC Limited, (SEHK: 00883,SSE: 600938) announces today that the deep-sea floatation wind demonstration project at Wenchang has been connected to the grid successfully for the generation of power.

CNOOC Logo (PRNewsfoto/CNOOC Limited)

CNOOC Logo (PRNewsfoto/CNOOC Limited)

The demonstration project, located in the Western part of the South China Sea near the Wenchang oilfields at a distance of 136 kilometers from the shore and in water depths of 120 meters, is located in close proximity to the Wenchang offshore oilfields. This is the first “double-hundred” deep-sea, floating wind project in the world. The water depth is over 100 meters with an offshore range of 100 kilometers. The main production facility of the project, “Haiyou Guanlan”, is China’s First deep sea floating wind power station that provides power to offshore fields under the most extreme oceanic conditions. The platform, with an installed power of 7.25MW, can produce up 22 million kWh electricity. This is the equivalent of saving almost 10 million cubic metres of natural gas or reducing carbon dioxide emission by 22,000 tonnes per year.

CNOOC Limited holds 100% of the equity in the project.

Mr. Wang Dongjin said: “The successful commissioning ‘Haiyou Guanlan,’ shows the latest achievement by CNOOC Limited on the integrated development offshore oilfields, and new energy business. The Company has maximized its inherent comparative advantages. China’s Leading wind power technologies The Company is also taking a major step in its efforts to tap into green energy offshore resources.”

Notes to Editors

You can find out more about the company at

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This press release contains forward-looking information. It includes statements about the expected future development of the Company’s business, its prospects, or financial results. Forward-looking information is identified by words such as “expect”, “anticipate”, “continue”, „estimate“, „objective“, „ongoing“, “may”, «will»,«project»,«should»,«believe»,«plans»,«intends» and similar expressions. These statements are based upon assumptions and analyses that were made by the Company at this time, based on its perceptions of historical trends, present conditions, and expected future development, and other factors the Company believes to be appropriate in the current circumstances. The Company cannot guarantee that actual results will meet its current expectations or predictions. The Company’s actual results, performance, and financial situation may differ materially. These differences include but are not limited by those related to fluctuations in crude and natural-gas prices, macroeconomic factors, changes of tax and fiscal systems of the countries where the Company operates, the highly-competitive nature of the oil-and-natural-gas industry, environmental requirements and compliance, the Company’s forecast of price, exploration and development activities and mergers, acquisitions, and divestment activities.

These cautionary statements are therefore included in all forward-looking claims made in this release. The Company does not guarantee that the anticipated results or developments will occur or that, even if they do, the effects will be as expected on the Company or its operations.

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Contact us for any further inquiries:

Ms. Liu Cui
Media & Public Relations
CNOOC Limited
Tel: +86-10-8452-6641
Fax: +86-10-8452-1441
E-mail: [email protected]

Mr. Bunny Lee
Porda Havas International Finance Communications Group
Tel: +852 3150 6707 
Fax: +852 3150 6728
E-mail: [email protected]



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