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08/21Change of Company Secretary an...
08/21Interim Results Announcement f...
08/07Notice of Board Meeting

COSL operated and managed 6 seismic vessels, 2 OBC teams and 5 engineering survey vessels, 48 drilling rigs (36 jack-ups, 12 semi-submersibles), 3 accommodation rigs, 6 modular rigs, 430 units of well-tech facilities and equipments and 130 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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