Reflection technique in time-frequency domain using multicomponent acoustic emission signals and application to geothermal reservoirs

Geophysics

Volumn 67, Issue 3, 2002, Pages 928-938

  Soma, Nobukazu ^a,b   Niitsuma, Hiroaki ^a   Baria, Roy ^c,d  

^a TOHOKU UNIVERSITY   (Japan)

^b NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY AIST   (Japan)

^c Socomine   (France)

^d GEIE Exploitation Minière de la Chaleur   (France)

Author keywords

[No Author keywords available]

Indexed keywords

BOREHOLES; DIFFRACTION; EIGENVALUES AND EIGENFUNCTIONS; HIGH TEMPERATURE EFFECTS; REFLECTION; ROCKS; WAVE EFFECTS; ACOUSTIC EMISSION TESTING; ACOUSTIC EMISSIONS; ACOUSTIC LOGGING; ACOUSTIC WAVE REFLECTION; ACOUSTICS; GEOTHERMAL FIELDS; MATRIX ALGEBRA; SHEAR WAVES; SIGNAL PROCESSING; UNCERTAINTY ANALYSIS; WAVELET TRANSFORMS;

ACOUSTIC EMISSION SIGNALS; ACOUSTIC EMISSION SIGNAL; GEOPHYSICAL TECHNIQUES; SUBSURFACE STRUCTURES; TERRESTRIAL HEAT; TIME AND FREQUENCIES; TIME FREQUENCY ANALYSIS; TIME FREQUENCY DOMAIN; TIME-FREQUENCY DOMAIN ANALYSIS;

GEOPHYSICS; FREQUENCY DOMAIN ANALYSIS;

ACOUSTIC EMISSION; DEPTH; GEOTHERMAL SYSTEM; RESERVOIR CHARACTERIZATION;

EID: 0036565554     PISSN: 00168033     EISSN: None     Source Type: Journal    
DOI: 10.1190/1.1484535     Document Type: Article

References (21)

1. Origin of coda waves: Source, attenuation and scattering
2. Wavelet transform methods for phase identification in three-component seismograms
3. Scientific results associated with large scale hydraulic injection tests-a summary of the scientific programme carried out in 1993: 11/1/94
4. Recent developments in the European HDR Research Programme at Soultz-sous-Forêts (France)
5. Seismic and aseismic slips induced by large-scale fluid injections
6. Deepening of GPK-2 HDR borehole, 3880-5090 m (Soultz-sous-Forêts, France): Geological monitoring
7. Geological model of a young volcano-plutonic system: The geothermal region of Monte Amiata (Tuscany, Italy)
8. Distribution of oxygen isotopes and noncondensible gas in steam at the Geysers
9. Precise estimation of AE source direction by spectral matrix analysis
10. Precise source location of AE doublets by spectral matrix analysis of triaxial hodogram
11. The outline of deep-seated geothermal resources survey
12. A new automatic AE source location algorithm for downhole triaxial AE measurement
13. Calibration method using the spectral matrix for downhole triaxial seismic detectors
14. Wavelets and signal processing
15. Matrix and Stokes velocity representations of detectors for polarized waveforms: Theory, with some applications to teleseismic waves
16. Pure states, polarized waves, and principal components in the spectra of multiple, geophysical time-series
17. Large-scale in-situ permeability tensor of rocks from induced microseismicity
18. Identification of structures within the deep geothermal reservoir of the Kakkonda field, Japan, by a reflection method using acoustic emission as a wave source
19. Estimation of deeper structure at the Soultz hot dry rock field by means of reflection method using 3C AE as wave source