Research Article
Experimental Investigations of Offshore Sand Production Monitoring Based on the Analysis of Vibration in Response to Weak Shocks
Figure 4
Analysis of the signal characteristics of sand production under different particle size conditions (sand content 1‰, flow velocity 1.5 m/s): (a) frequency domain diagram; (b) time spectrum; (c) 30-50 kHz time domain diagram; (d) power spectrum analysis.
(a) |
(b) |
(c) |
(d) |