Oil and Natural Gas Corporation (ONGC)

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Oil and Natural Gas Corporation (ONGC) is active in the acquisition, processing and interpretation of seismic data; drilling, work-over and well-stimulation operations; engineering and construction; production, fractionation, refining, transport and applied R&D; training and marketing. It operates 21 seismic crews, manages 250 onshore production installations, 263 offshore well platforms, and 189 drilling and work-over rigs, and owns and operates over 24,300 kilometres of pipeline in India.