Method for evaluating parameters related to the elastic properti

Details Method for evaluating parameters related to the elastic properti Method for evaluating parameters related to the elastic properti

1987-07-14

1989-02-28

Tarcza, Thomas H.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 33, 367 48, 367 75, G01V 140

Patent

active

048092398

ABSTRACT:
Three-axis vertical seismic profile measurements are analyzed to derive values for the velocity v.sub.p and angel of incidence .PSI..sub.p of a plane compressional wave at the borehole and for the shear wave velocity v.sub.s and angle of incidence .PSI..sub.s of a plane shear wave at the borehole. In the described embodiment this is accomplished by finding values for these parameters which maximize the expression

REFERENCES:
patent: 4562557 (1985-12-01), Parko et al.
patent: 4563757 (1986-01-01), Decorps et al.
patent: 4648039 (1987-03-01), Devaney et al.
patent: 4679174 (1987-07-01), Gelfand
"Interpretation of Velocity Spectra through an Adaptive Modeling Strategy," Davis, J. M. Geophysics, vol. 37 #6 1972.
C. Esmersoy et al., "Three Component Array Processing", The VELA Program: A Twenty-Five Year Review of Basic Research, Defense Advanced Research Projects Agency, A. U. Kerr, Editor, pp. 565-578 (1985).

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