Computation of Stoneley wave attenuation for leak detection in large storage tanks

Udaya B. Halabe; Kenneth R. Maser

doi:10.1117/12.390634

6 July 2000 Computation of Stoneley wave attenuation for leak detection in large storage tanks

Udaya B. Halabe, Kenneth R. Maser

Proceedings Volume 4129, Subsurface Sensing Technologies and Applications II; (2000) https://doi.org/10.1117/12.390634
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

This research investigates the effect of leakage induced soil property changes on the attenuation of seismic boundary waves (i.e., Stonely waves) propagating along a liquid- solid-(tank bottom-) soil boundary. An empirical model has been presented for the computation of this attenuation, and its effect has been quantified using numerical examples. The results show small changes (of the order of few percent) in Stonely wave amplitude. The attenuation measurement concept presented here augments the leak detection concept using velocity measurement presented in a previously published paper. Monitoring amplitude loss in conjunction with velocity changes of Stonely waves can result in a more accurate leak detection scheme.

Citation Download Citation

Udaya B. Halabe and Kenneth R. Maser "Computation of Stoneley wave attenuation for leak detection in large storage tanks", Proc. SPIE 4129, Subsurface Sensing Technologies and Applications II, (6 July 2000); https://doi.org/10.1117/12.390634

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