The innovative concept herein shown intends to present a new system of carbon capture and storage (CCS) from natural gas extracted on cement completions of gas wells by absorbent selective nanoporous materials, forming conducting channels on linked pores. CO2 fluids will be transported upwards and then injected and stored in upper nonproductive oil and gas porous rock reservoirs by the removal-transport-injection system (RTIS), assuring also the mechanical safety of the wells. This innovative concept allows the treatment of natural gas in oil and gas wells on fields, through the extraction of carbon dioxide. The natural gas will be free of CO2, the major responsible gas for green house effect and therefore its production will be environmentally friendly.
Key words: Carbone dioxide, carbon capture and storage (CCS), gas wells, completion, removal-transport-injection system (RTIS).
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