R. Gerhard Pratt
ABSTRACTS AND CONFERENCE PROCEEDINGS - 1999-2002

Sirgue, L., and Pratt, R.G., 2002. Can the sub-basalt imaging problem be solved by gradient
based waveform inversion? Presented at the 72nd Annual Meeting of the Society of Exploration
Geophysicists, Salt Lake City, Utah,  Expanded Abstracts, 930-933.


Sirgue, L., and Pratt, R.G., 2002. Feasibility of full waveform inversion applied to sub-basalt
imaging. Presented at the 64th Conference of the European Association of Geoscientists and Engineers,
Florence, Paper P177.


Pratt, R.G., Gao, F., Zelt, C. and Levander, A., 2002. A comparison of ray-based and waveform
tomography - implications for migration. Presented at the 64th Conference of the European
Association of Geoscientists and Engineers, Florence, Paper B023


Sirgue, L. and Pratt, R.G., 2001. Frequency domain waveform
inversion: A strategy for choosing frequencies.
Presented at the 63rd Conference of the European Association of
Geoscientists and Engineers, Amsterdam, Paper P014.


Pratt, R.G., Plessix, R.E. and Mulder, W.A., 2001. Seismic
waveform tomography: the effect of layering and anisotropy.
Presented at the 63rd Conference of the European Association of
Geoscientists and Engineers, Amsterdam, Paper P092.*


Sirgue, L. and Pratt, R.G., 2001. An optimal choice of temporal
frequencies for imaging: application to waveform inversion. Presented
at the 71st Annual Meeting of the Society of Exploration Geophysicists,
San Antonio, Tx, Expanded Abstracts 698-701.*


Pratt, R.G., Plessix, R.E. and Mulder, W.A., 2001. Seismic
waveform tomography: crosshole results from the Nimr field in Oman. Presented
at the 71st Annual Meeting of the Society of Exploration Geophysicists,
San Antonio, Tx, Expanded Abstracts 714-717.*


Plessix, R.E., Mulder, W.A. and Pratt, R.G., 2001. Frequency-domain
finite-difference migration with only a few frequencies? Presented
at the 71st Annual Meeting of the Society of Exploration Geophysicists,
San Antonio, Tx, Expanded Abstracts 1103-1106.*


Stekl, I. and Pratt, R.G., 1999. Elastic waveform inversion - P and
S velocity fields from physical scale model data. Presented at the 61st
Conference of the European Association of Geoscientists and Engineers,
Leipzig, Paper 4028