电影
  • 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 ...

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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 ...

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  • 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 enterpri...

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11/28 Disposal of Tanke...

COSL is an all-round offshore oilfield services company that possesses a comparatively complete service chain and covers every phase of oil and gas exploration, development, and production. COSL has become one of the few integrated oilfield services providers that can provide integrated and turnkey services to customers wordwide.With a reliable guarantee of experienced elite staff, COSL is capable of pro...

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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 suppl...

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