• CQ9电子_官网

    电影

    • The largest and most diverse offshore oilfield services facilities in Asia

      COSL operated and managed 19 seismic and engineering survey vessels, 62 drilling rigs，240 oilfield services vessels of various kinds，and it owns advanced oilfield technical service equipment such as Haijing, Haimai, Xuanji, Xuanyue, Haihong, etc., which are independently developed for geophysical exploration, logging, mud, directional drilling, cementing and workover services.

      Learn More

    • 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.

      Learn More

    • 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.

      Learn More
    • News Releases
    • Announcements
    • |
    • To Investor
    03/13 2024 Annual Resul...
    03/06 Notice of Board M...
    03/03 Monthly Return of...

    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...

    • Highlights
    • |
    • News Video
    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...

    • Global Business