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 ...
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 ...
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...
Upholding the safety and environmental protection concept that “Safety and environmental protection first, people-oriented and keep equipment in good condition”, COSL takes the full implementation of systematic management and focus on providing customers with first-class service.
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.