Acoustic emission monitoring of hydraulic fracturing laboratory experiment with supercritical and liquid CO2

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Ishida, Tsuyoshi; Aoyagi, Kazuhei; Niwa, Tomoya; Chen, Youqing; Murata, Sumihiko; Chen, Qu; Nakayama, Yoshiki;
(2012)
  • Publisher: American Geophysical Union.
  • Journal: Geophysical Research Letters, volume 39 (issn: 0094-8276)
  • Publisher copyright policies & self-archiving
  • Subject: acoustic emission | carbon dioxide | fluid viscosity | granite | hydraulic fracturing

Carbon dioxide (CO2) is often used for enhanced oil recovery in depleted petroleum reservoirs, and its behavior in rock is also of interest in CO2 capture and storage projects. CO2 usually becomes supercritical (SC-CO2) at depths greater than 1, 000 m, while it is liqui... View more
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