A task force convened by the Southern States Energy Board (SSEB) and the Interstate Oil and Gas Compact Commission (IOGCC) found that no assessment had been made of the offshore storage resource potential in the shelf areas of the Atlantic seaboard and the eastern Gulf of Mexico in the southeastern US. In a preliminary analysis of a 10,000 mi 2 area of offshore Alabama and the western Florida Panhandle, Hills and Pashin (2010) suggested that about 170 Gt of CO 2 could be stored in Miocene sandstone and that at least 30 Gt could be stored in deeper Cretaceous formations. Although the storage capacity of offshore reservoirs is expected to be vast, no comprehensive assessment of the offshore storage resource in the southeastern more » United States had been performed. Indeed, the success of the Sleipner project in the North Sea demonstrates the technical feasibility of offshore storage as not only a viable option, but as an early opportunity for commercial deployment. Due to legal advantages and potential vast resource capacity, offshore storage offers an attractive alternative to onshore storage. Subsurface geologic storage of CO 2 can play a major role in offsetting greenhouse gas emissions in a manner that is safe, economical, and acceptable to the public.
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