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Dynamic fluid transport property of hydraulic fractures and its evaluation using acoustic logging
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LI Huanran,TANG Xiaoming,LI Shengqing,SU Yuanda
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Table 1 Medium parameters
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| Medium | P-wave velocity/
(m·s-1) | S-wave velocity/
(m·s-1) | Density/
(kg·m-3) | Outer radius/
m | | Borehole fluid | 1500 | 0 | 1000 | 0.07 | | Casing | 6098 | 3354 | 7500 | 0.08 | | Cement | 2823 | 1729 | 1920 | 0.10 | | Tight sandstone | 4690 | 2940 | 2570 | ∞ |
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