Computed Tomography Scanning to Understand Micro-to-Macro Controls on Multiphase Flow during Geologic Carbon Storage; NETL-TRS-3-2017; NETL Technical Report Series; U.S. Department of Energy, National Energy Technology Laboratory: Morgantown, WV, 2017; p 24.
- National Energy Technology Lab. (NETL), Morgantown, WV (United States)
- National Energy Technology Lab. (NETL) and AECOM, Morgantown, WV (United States)
- National Energy Technology Lab. (NETL) and ORISE, Morgantown, WV (United States)
Evaluation of the fate and transport of carbon dioxide (CO2) in deep reservoirs is crucial to the development of long-term geologic carbon sequestration (GCS) technologies. In this report, various studies using computed tomography (CT) scanning are utilized in conjunction with traditional flow tests to observe the multi-scale phenomena associated with CO2 injection in geologic media. Pore scale analyses were performed to determine the infiltration characteristics of CO2 into a brine saturated reservoir rock. Multiphase floods were performed to evaluate the saturation of CO2 into a brine-saturated reservoir rock and determine how structural changes within the lithology affect such interactions. Additionally, CO2 induced swelling of unconventional reservoir rock was evaluated with respect to reductions in fracture transmissivity due to matrix swelling. These studies are just a few examples of the benefits of multi-scale CT imaging in conjunction with traditional laboratory methodology to gain a better understanding of the interactions between CO2 and the lithologies it interacts with during GCS.
- Research Organization:
- National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)
- Sponsoring Organization:
- USDOE Office of Fossil Energy (FE)
- OSTI ID:
- 1415448
- Report Number(s):
- NETL-TRS-3-2017
- Country of Publication:
- United States
- Language:
- English
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