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. |
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