Seismic anisotropy in gas-hydrate- and gas-bearing sediments on the Blake Ridge, from a walkaway vertical seismic profile

Geophysical Research Letters

Volumn 30, Issue 14, 2003, Pages

  Pecher, Ingo A ^a   Holbrook, W Steven ^b   Sen, Mrinal K ^a   Lizarralde, Daniel ^c   Wood, Warren T ^d   Hutchinson, Deborah R ^e   Dillon, William P ^e   Hoskins, Hartley ^f   Stephen, Ralph A ^f  

^a UNIVERSITY OF TEXAS AT AUSTIN   (United States)

^b UNIVERSITY OF WYOMING   (United States)

^c GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

^d STENNIS SPACE CENTER   (United States)

^e U S GEOLOGICAL SURVEY   (United States)

^f WOODS HOLE OCEANOGRAPHIC INSTITUTION   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANISOTROPY; CLAY; MARINE ENGINEERING; SEDIMENTS; GASES; HYDRATION; SEISMIC PROSPECTING; SEISMIC WAVES; SEISMOLOGY; SUBMARINE GEOLOGY;

TRANSVERSE ISOTROPY (TI); PARTIAL ALIGNMENT; ROCK PHYSICS MODEL; SEISMIC ANISOTROPY; SEISMIC PROPERTIES; THOMSEN PARAMETER; TRANSVERSE ISOTROPY; VERTICAL SEISMIC PROFILES; VERTICAL SYMMETRY AXIS;

SEISMOLOGY; GAS HYDRATES;

GAS HYDRATE; METHANE; MINERALOGY; SEISMIC ANISOTROPY;

ATLANTIC OCEAN; BLAKE RIDGE;

EID: 0141872940     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2003GL017477     Document Type: Article

References (11)

1. Backus, G. E., Long-wavelength anisotropy produced by horizontal layering, J. Geophys. Res., 67, 4427-4440, 1962.
2. Gajewski, D., and I. Psencik, Ray synthetic seismograms in 3-D laterally inhomogenous anisotropic structures - Program ANRAY89, LBL Center for Computational Seismology. Berkeley, CA, 1989.
3. Gray, D. E., American Institute of Physics Handbook, McGraw-Hill, New York, 1972.
4. Helgerud, M. B., J. Dvorkin, A. Nur, A. Sakai, and T. Collett, Elastic-wave velocity in marine sediments with gas hydrates: Effective medium modeling, Geophys. Res. Lett., 26, 2021-2024, 1999.
5. Holbrook, W. S., Seismic studies of the Blake Ridge: Implications for hydrate distribution, methane expulsion, and free gas dynamics, in Natural Gas Hydrates. Occurrence, Distribution, and Detection, edited by C. K. Paull, and W. P. Dillon, pp. 235-256, American Geophysical Union, 2001.
6. Holbrook, W. S., H. Hoskins, W. T. Wood, R. A. Stephen, and D. Lizarralde, Methane hydrate and free gas on the Blake Ridge from vertical seismic profiling, Science, 273, 1840-1843, 1996.
7. Jakobsen, M., J. A. Hudson, T. A. Minshull, and S. C. Singh, Elastic properties of hydrate-bearing sediments using effective medium theory, J. Geophys. Res., 105(B1), 561-577, 2000.
8. Mavko, G., T. Mukerji, and J. Dvorkin, The Rock Physics Handbook, 329 pp., Cambridge University Press, Cambridge, U.K., 1998.
9. Paull, C. K., R. Matsumoto, P. J. Wallace, et al., Proc. ODP, Init. Repts., 164, 623 pp., Ocean Drilling Program, College Station, TX, 1996.
10. Thomsen, L., Weak elastic anisotropy, Geophysics, 51, 1954-1966, 1986.
11. Waite, W. F., M. B. Helgerud, A. Nur, J. Pinkston, L. A. Stern, S. H. Kirby, and W. B. Durham, First measurements of P- and S-wave speed on pure methane gas hydrate (abstract), Eos Trans AGU, 79(45), 463, Fall Meet., Suppl., 1998.