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10/14Notice of Board Meeting
10/02Monthly Return of Equity Issue...
09/052024 Interim Report

COSL operated and managed 17 seismic and engineering survey vessels, 63 drilling rigs (48 jack-ups, 15 semi-submersibles), 10 accommodation rigs, 5 modular rigs, more than 20 drilling (workover) machine，860 units of modern facilities and equipments for logging, directional drilling, drilling-fluids handling, cementing, and well workover services and 240 oilfield services vessels of various kinds.

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COSL focus on its people-oriented philosophy and encourage career development of our staff, deepen our relationship, facilitate common development among the Company and our staff, strive to develop a responsible supply chain, make progress in strategic cooperation for mutual benefits, as well as increase our efforts on welfare so as to contribute to the society.
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Based on the Five Strategies, we strive to build four lean and efficient talent teams, optimizing internal talent resources allocation, designed various talent selection systems to promote standardize and modular recruitment continuously indeed to improve the quality and efficiency of campus recruitment.
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