PUBLICATIONS AND VIDEOS
Webinar 042
Assessing subsea plumes of CO2 from pipeline ruptures
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Speaker(s): Jan Erik Olsen & Paal Skjetne
Organisation(s): SINTEF
Duration: 61 min
SUMMARY
In order to reduce the carbon footprint from the industry and the fossil energy sector, CO2 emissions can be captured and stored in geological reservoirs underneath the ocean. This can be done by transporting CO2 in long pipelines from land to offshore locations. Accidental damages to the pipelines can result in a significant releases of CO2 into the ocean. The risk associated with such releases needs to assessed to obtain a license to operate.
SINTEF has studied subsea releases of natural gas for more than a decade. Now, they are applying the same concepts to study CO2. This is done via the use of numerical models which are validated by observations. CO2 is heavier and more soluble in water than natural gas. It can also undergo a phase change. This makes CO2 behave differently than natural gas.
In this webinar, SINTEF presents the governing physics related to subsea CO2 releases, some results on risk assessments and some challenges that still need to be resolved.
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