Microseismic location: using both P and S waves with new methods

Tanghua Li; Hanming Gu; Hao Yan

doi:10.1071/ASEG2015ab226

24th International Geophysical Conference and Exhibition – Geophysics and Geology Together for Discovery

ISSN: 2202-0586
E-ISSN:

oa Microseismic location: using both P and S waves with new methods
Authors Tanghua Li^a, Hanming Gu^b and Hao Yan^b
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^a Institute of Geophysics and Geomatics China University of Geosciences (Wuhan), No. 388 Lumo Road, Wuhan, , P.R. China, [email protected] ^b Institute of Geophysics and Geomatics China University of Geosciences (Wuhan), No. 388 Lumo Road, Wuhan, , P.R. China
Publisher: Australian Society of Exploration Geophysicists
Source: ASEG Extended Abstracts, Volume 2015, Issue 24th International Geophysical Conference and Exhibition – Geophysics and Geology Together for Discovery, Dec 2015, p. 1 - 2
DOI: https://doi.org/10.1071/ASEG2015ab226
- Published online: 01 Dec 2015

Abstract

In this paper we develop a new method on the basis of the two exist two methods, using both P and S waves recorded with surface array and borehole data. The new microseismic location method take the full advantage of Generalized Pattern Search Method and Simulated Annealing Method, improving the location accuracy. We use this method to do the cast study. Consequently, using both P and S waves information in the location technique reduces the position uncertainty as compared to single P or S wave relative location. And it will be more applicable to low signal-to-noise ratios data.

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References

Eisner, L., M.P.Duncan, M.W.Heigl, and R.W. Keller, 2009, Uncertainties in passive seismic monitoring: The Leading Edge, 28, 648-655.
Kendall, M., S.C. Maxwell, G. Foulger, L. Eisner, and Z. Lawrence, 2011, Microseismicity: beyond dots in a box: Geophysics, 76, No. 6, WC1-WC3.
Hendrick, N., and Hearn, S., 1999, Polarisation analysis: What is it? Why do you need it? How do you do it?: Exploration Geophysics, 30, 177-190.
Leaney, W.S., 1990, Parametric wavefield decomposition and applications: 60th Meeting, SEG, San Francisco, Expanded Abstracts, 1097-1100.
Press, W.H., Flannery, B.P., Teukolsky, S.A., and Vetterling, W.T., 1992, Numerical recipes in Fortran77 2nd edition - The art of scientific computing: Cambridge University Press.
Zhou, B., 1988, Crosshole resistivity and acoustic velocity imaging: 2.5-D Helmholtz equation modeling and inversion: Ph.D. Thesis, University of Adelaide.

/content/journals/10.1071/ASEG2015ab226

Article Type: Research Article

Keyword(s): Generalized Pattern Search; Microseismic Location; P and S Waves Inversion; Simulated Annealing

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oa Microseismic location: using both P and S waves with new methods

Abstract

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