Greenhouse gases and their mitigation

Rising levels of the greenhouse gases (mainly CO2) in the atmosphere have been a great concern for most of the developed and developing nations because of the major climate changes that have been observed in recent decades. One of the options for mitigating the rising greenhouse gas concentrations is their sequestration and storage in subsurface formations.

The petroleum industry has been practicing the methods of sequestering CO2 in oil and gas reservoirs for Enhanced Oil and Gas Recovery over the last few decades, with an economic incentive to partially offset the sequestration cost. Based on the same ideology, options for CO2 disposal are being extended for Enhanced CBM recovery, Enhanced gas recovery from CH4 hydrate reservoirs etc. We propose the option of CO2 injection into suitably chosen geologic formations and its permanent storage through clathrate hydrate formation.

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