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Announcements
• Notification Letter and Request Form to Registered Shareholders 2023-09-06
• 2023 Interim Report 2023-09-06
• Monthly Return of Equity Issuer on Movements in Securities for The Month Ended 31 August 2023 2023-09-04
• Voluntary Announcement - Drilling Rig Service Contracts 2023-09-01
• Terms of Reference for the Audit Committee of the Board 2023-08-23
• Interim Results Announcement For The Six Months Ended 30 June 2023 2023-08-23
• Articles of Association of China Oilfield Services Limited 2023-08-17
• List of Directors and their Role and Function 2023-08-17
• Poll Results of Extraordinary General Meeting Held on 17 August 2023 2023-08-17
• 2023 Interim Results Presentation 2023-08-15

About Us

China Oilfield Services Limited (COSL) is the leading integrated oilfield services providers in the Asian offshore market. COSL’s four main services divisions—Geophysical Services, Drilling Services, Well Services, and Marine and Transportation Services—cover the exploration, development, and production phases of the oil and gas industry.

2015 China Oilfield Services Limited All Rights Reserved Record Number: Tianjin ICP NO. 17008252

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