Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Well logging
Reexamination Certificate
2006-06-06
2009-12-01
Lobo, Ian J (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Well logging
C367S025000, C181S104000
Reexamination Certificate
active
07626886
ABSTRACT:
A phased array of transducers is used to generate elastic waves into the earth formation in a selected direction. The impedance measured at the input to the transducer array is indicative of the elastic impedance of the earth formation in the selected direction.
REFERENCES:
patent: 1880425 (1932-10-01), Flanders
patent: 2244484 (1941-06-01), Beers
patent: 2732906 (1956-01-01), Mayne
patent: 3217828 (1965-11-01), Mendenhall et al.
patent: 3321625 (1967-05-01), Wahl
patent: 3496533 (1970-02-01), Semmelink
patent: 3974476 (1976-08-01), Cowles
patent: 4184562 (1980-01-01), Bakamjian
patent: 4319345 (1982-03-01), Dennis
patent: 4382290 (1983-05-01), Havira
patent: 4495606 (1985-01-01), Smith
patent: 4509149 (1985-04-01), Ruehle
patent: 4524433 (1985-06-01), Broding
patent: 4685091 (1987-08-01), Chung et al.
patent: 4775960 (1988-10-01), Staron et al.
patent: 4797861 (1989-01-01), Beasley
patent: 4943950 (1990-07-01), Beasley et al.
patent: 4953399 (1990-09-01), Fertl et al.
patent: 4964103 (1990-10-01), Johnson
patent: 5452761 (1995-09-01), Beard et al.
patent: 5530679 (1996-06-01), Albertin
patent: 5544127 (1996-08-01), Winkler
patent: 5640371 (1997-06-01), Schmidt et al.
patent: 5677893 (1997-10-01), de Hoop et al.
patent: 5758539 (1998-06-01), Naville et al.
patent: 5852588 (1998-12-01), de Hoop et al.
patent: 6002642 (1999-12-01), Krebs
patent: 6247542 (2001-06-01), Kruspe et al.
patent: 6470275 (2002-10-01), Dubinsky
patent: 6864890 (2005-03-01), Meek et al.
patent: 6909666 (2005-06-01), Dubinsky et al.
patent: 6915875 (2005-07-01), Dubinsky et al.
patent: 6920082 (2005-07-01), Tang
patent: 6925031 (2005-08-01), Kriegshauser et al.
patent: 6930616 (2005-08-01), Tang et al.
patent: 7035165 (2006-04-01), Tang
patent: 7055388 (2006-06-01), Arndt et al.
patent: 7207397 (2007-04-01), Miyamoto et al.
patent: 2002/0113717 (2002-08-01), Tang et al.
patent: 2003/0002388 (2003-01-01), Mandal
patent: 2005/0036403 (2005-02-01), Leggett et al.
patent: 2007/0183259 (2007-08-01), Yogeswaren et al.
patent: WO9859264 (1998-12-01), None
H. Hou et al.;An electro-acoustics impedance error criterion and its application to active noise control, Applied Acoustics 65 (2004), pp. 485-499.
Hengchang Dai et al.;Anisotropic migration and model building for 4C seismic data: A case study from Alba, 2001 SEG 71st International Meeting, pp. 795-798.
Tariq Alkhalifah et al.;Velocity analysis for transversely isotropic media, Geophysics, vol. 60, No. 5 (Sep.-Oct. 1995), pp. 1550-1566, 21 Figs.
Philippe Berthet et al.;Anisotropic Prestack Depth Migration: An Offshore Africa Case Study, 2000 Society of Expliration Geophysicists, pp. 1-7, 6 Figs.
Samuel H. Gray et al.;Kirchhoff migration using eikonal equation traveltimes, Geophysics, vol. 59, No. 5 (May 1994), pp. 810-817, 7 Figs.
Arcangelo G. Sena et al.;Kirchhoff migration and velocity analysis for converted and nonconverted waves in anisotropic media, Geophysics, vol. 58, No. 2 (Feb. 1993), pp. 265-276, 11 Figs., 3 Tables.
Leon Thomsen;Weak elastic anisotropy, Geophysics, vol. 51, No. 10 (Oct. 1986), pp. 1954-1966, 5 Figs., 1 Table.
G. W. Postma;Wave Propagation in a Stratified Medium, Geophysics, vol. XX, No. 4 (Oct. 1955), pp. 780-806, 13 Figs.
Vladimir Grechka et al.;Feasibility of nonhyperbolic moveout inversion in transversely isotropic media, Geophysics, vol. 63, No . 3 (May-Jun. 1998), pp. 957-969, 9 Figs., 1 Table.
Results of Search of “Geophysics” on Oct. 5, 2008.
Dubinsky Vladimir
Patterson Douglas J.
Tang Xiao Ming
Zheng Yibing
Baker Hughes Incorporated
Lobo Ian J
Madan & Sriram, P.C.
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