An evaluation of key challenges of CO2 transportation with a novel Subsea Shuttle Tanker
Peer reviewed, Journal article
Published version
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https://hdl.handle.net/11250/3054854Utgivelsesdato
2021Metadata
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Originalversjon
Ma, Y., Xing, Y., & Hemmingsen, T. H. (2021, November). An evaluation of key challenges of CO2 transportation with a novel Subsea Shuttle Tanker. In IOP Conference Series: Materials Science and Engineering (Vol. 1201, No. 1, p. 012078). IOP Publishing. 10.1088/1757-899X/1201/1/012078Sammendrag
Recently, a novel Subsea Shuttle Tanker (SST) concept has been proposed to transport carbon dioxide (CO2) from ports to offshore oil and gas fields for either permanent storage or enhanced oil recovery (EOR). SST is a large autonomous underwater vehicle that travels at a constant water depth away from waves. SST has some key advantages over subsea pipelines and tanker ships when employed at marginal fields. It enables carbon storage in marginal fields which do not have sufficient volumes to justify pipelines. Further, in contrast to ships, SST does not require the use of a permanently installed riser base. This paper will evaluate the key challenges of using such vessel for CO2 transportation. It discusses the most important properties such as thermodynamic properties, purity, and hydrate formation of CO2 at different vessel-transportation states in relation to cargo sizing, material selection, and energy consumption.