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AuthorJarrar, Zaher A.
AuthorAlshibli, Khalid A.
AuthorAl-Raoush, Riyadh I.
AuthorJung, Jongwon
Available date2020-08-18T08:34:44Z
Publication Date2019
Publication NameSpringer Series in Geomechanics and Geoengineering
AbstractDuring methane gas production from hydrate bearing sandy sediments, fine particles can migrate or clog the pores of sediments. Fines clogging induces a change in pressure gradient which affects the gas flow pattern and might induce gas driven fracture. A fundamental understanding of these phenomena is needed to enhance gas production strategies. Effects of fines migration and clogging on gas flow path and gas driven fracture were studied for Carbon Dioxide (CO2) using 3D Synchrotron Micro-computed Tomography (SMT). Multiphase flow experiments were conducted on brine saturated uniform F75 silica sand mixed with kaolinite at different percentages by weight (2%, 4%, and 6%). Sand-fines mixtures were deposited into a small acrylic cylinder that has two ports; one connected to a flow pump to withdraw the brine solution and the other one was used to inject CO2 gas at a constant pressure (4 psi). The gas migrated through percolation with no major particle displacement of sand for low fines concentration (2% and 4%). Moreover, gas driven fracture was observed for higher fines content. Fines were observed to clog the pores near the CO2-brine boundary interface. SMT is considered to be a powerful tool that can be used to monitor and visualize fines clogging and the flow of gas through sandy sediments. - Springer Nature Switzerland AG 2019.
SponsorAcknowledgement. This research was made possible by NPRP Grant # NPRP8-594-2-244 from Qatar National Research Fund (a member of Qatar Foundation). The findings achieved herein are solely the responsibility of the authors. The SMT images were collected using the X-ray Operations and Research Beamline Station 13-BMD at Argonne Photon Source (APS), Argonne National Laboratory. The authors thank Dr. Mark Rivers of APS for help in performing the SMT scans. They also acknowledge the support of GeoSoilEnviroCARS (Sector 13), which is supported by the National Science Foundation, Earth Sciences (EAR-1128799), and the US Department of Energy (DOE), Geosciences (DE-FG02-94ER14466). Use of the Advanced Photon Source, an Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory, was supported by DOE under contract no. DE-AC02-06CH11357.
PublisherSpringer Verlag
SubjectGas Hydrates
TitleGas driven fracture during gas production using 3D synchrotron computed tomography
TypeConference Paper
Issue Number217729
Volume Number0

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