Respect the nature, care for the environment

COSL adheres to the comprehensive sustainable development concept of people-oriented, social harmonious and eco-friendly. With the highest industry standards, we always pursuit excellent QHSE performance and put the green and low carbon into each links of operations ,to pursuit the harmonious development of enterprises with people, society and the nature.

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The largest and most diverse offshore oilfield services facilities in Asia

COSL operated and managed 15 seismic and engineering survey vessels, 59 drilling rigs, 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 150 oilfield services vessels of various kinds.

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Always Do Better

Adhering to the corporate spirit "Always do better" and upholding the core value of win-win with customers, employees, partners and shareholders​, COSL strives to contribute its efforts for economic development, environmental protection, social progress and better human life on the way to achieve the international first-class oilfield services company.

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