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Profile

China Oilfield Services Ltd. engages in drilling, oilfield technical, ship, geophysical acquisition and engineering survey services in the provision of offshore oilfield services. It operates through the following segments: Drilling Services, Well Services, Marine Support Services, and Geophysical Acquisition and Surveying Services. The Drilling Services segment refers to drilling, and liftboats and accommodation rigs. The Well Services segment includes directional drilling, logging, drilling and completion of fluids, cementing, workover, production and optimization, and well completion. The Marine Support Services segment is involved in anchor handling, towing, cargo (passenger) transportation, stand-by, and oil lifting assisting. The Geophysical Acquisition and Surveying Services segment relates to geophysics and geotechnical surveying. The company was founded on February 15, 1982 and is headquartered in Sanhe, China.
URL http://www.cosl.com.cn
Investor Relations URL N/A
HQ State/Province Hebei
Sector Energy
Industry Energy Equipment & Services
Equity Style Small Cap Core
Next Earnings Release Aug. 25, 2026
Last Earnings Release Aug. 25, 2026
Next Ex-Dividend Date N/A
Last Ex-Dividend Date Jun. 11, 2026

Profile

China Oilfield Services Ltd. engages in drilling, oilfield technical, ship, geophysical acquisition and engineering survey services in the provision of offshore oilfield services. It operates through the following segments: Drilling Services, Well Services, Marine Support Services, and Geophysical Acquisition and Surveying Services. The Drilling Services segment refers to drilling, and liftboats and accommodation rigs. The Well Services segment includes directional drilling, logging, drilling and completion of fluids, cementing, workover, production and optimization, and well completion. The Marine Support Services segment is involved in anchor handling, towing, cargo (passenger) transportation, stand-by, and oil lifting assisting. The Geophysical Acquisition and Surveying Services segment relates to geophysics and geotechnical surveying. The company was founded on February 15, 1982 and is headquartered in Sanhe, China.
URL http://www.cosl.com.cn
Investor Relations URL N/A
HQ State/Province Hebei
Sector Energy
Industry Energy Equipment & Services
Equity Style Small Cap Core
Next Earnings Release Aug. 25, 2026
Last Earnings Release Aug. 25, 2026
Next Ex-Dividend Date N/A
Last Ex-Dividend Date Jun. 11, 2026