• News Releases
>>more
  • Announcements
  • |
  • To Investor
10/02Monthly Return of Equity Issue...
09/052024 Interim Report
09/04Monthly Return of Equity Issue...

COSL operated and managed 15 seismic and engineering survey vessels, 59 drilling rigs (44 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 150 oilfield services vessels of various kinds.

  • 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 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.
>>more
  • Join US

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.
>>more
  • Global Business