Experimental Investigations of Offshore Sand Production Monitoring Based on the Analysis of Vibration in Response to Weak Shocks

<div>Characteristic analysis of the sand measurement signal under different sand content conditions (particle size 150 <i>μ</i>m, flow velocity 1.5 m/s): (a) frequency domain diagram; (b) time spectrum; (c) 30-50 kHz frequency domain diagram; (d) 30-50 kHz time domain diagram.</div>

Geofluids

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Figure 3

Figure 3: Experimental Investigations of Offshore Sand Production Monitoring Based on the Analysis of Vibration in Response to Weak Shocks 