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The geological storage of carbon dioxide (CO2) and its benefits in abating unfavourable climate change have existed for decades. Even though the development of technical solutions has been slow, there has been some progress in key areas including several storage projects around the world, nations setting mandates with the hope of reaching net-zero in specific timelines, and establishment of policies and regulations to support the drive.
The capture and subsequent storage of CO2 from emitters such as power stations and industrial processes, among others, play a major role in curtailing this threat to the ecosystem. A recent study indicates that the utilisation of Carbon Capture and Storage (CCS) technology could reduce CO2 emissions by 20% by 2050 ( Aminu, 2017 ; Tomić et al., 2018 ).
The aim of this study is to determine the order of suitability of potential CO2 storage formations in the Gulf of Mexico Outer Continental Shelf (OCS), including both shallow and deep waters. The objectives of the study include screening of the formations with respect to geological suitability and ranking of the screened formations based on technical and techno-commercial considerations.