China Oilfield Services Limited Class H
China Oilfield Services Limited (COSL) is a leading provider of integrated offshore and onshore oilfield services in China. The company operates across multiple sectors within the oil and gas industry, including drilling, well services, geophysical services, and marine support. COSL offers a wide range of core products and services, such as drilling rigs, workover services, seismic data acquisition, and offshore engineering, catering to the needs of major oil and gas exploration and production companies.