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China Oilfield Services Ltd. engages in drilling, oilfield technical, ship, geophysical acquisition and engineering survey services in the provision of offshore oilfield services. The company was founded on February 15, 1982 and is headquartered in Tianjin, China.
URL http://www.cosl.com.cn
Investor Relations URL N/A
HQ State/Province Hebei
Sector Energy
Industry Energy Equipment & Services
Next Earnings Release Mar. 25, 2026 (est.)
Last Earnings Release Aug. 26, 2025
Next Ex-Dividend Date N/A
Last Ex-Dividend Date Jun. 11, 2025

Profile

China Oilfield Services Ltd. engages in drilling, oilfield technical, ship, geophysical acquisition and engineering survey services in the provision of offshore oilfield services. The company was founded on February 15, 1982 and is headquartered in Tianjin, China.
URL http://www.cosl.com.cn
Investor Relations URL N/A
HQ State/Province Hebei
Sector Energy
Industry Energy Equipment & Services
Next Earnings Release Mar. 25, 2026 (est.)
Last Earnings Release Aug. 26, 2025
Next Ex-Dividend Date N/A
Last Ex-Dividend Date Jun. 11, 2025