Statistics – Computation
Scientific paper
Jun 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004georl..3111606w&link_type=abstract
Geophysical Research Letters, Volume 31, Issue 11, CiteID L11606
Statistics
Computation
Exploration Geophysics: Computational Methods, Seismic, Exploration Geophysics: Downhole Methods, Exploration Geophysics: Seismic Methods (3025), Mathematical Geophysics: Modeling, Mathematical Geophysics: Numerical Solutions
Scientific paper
Cross-well seismic data often contain strong tube waves and tube-wave-related arrivals due to the effects of the presence of two boreholes. A basic requirement for accurate cross-well seismic modeling and data processing is inclusion of these events. We use a 2-D velocity-stress variable-grid finite-difference parallel code for efficient cross-well field data modeling with inclusion of the two perforated cased boreholes. The synthetics resemble the field observations in terms of arrival times not only on P- and S-waves but also on tube waves and tube-wave-related secondary arrivals generated by perforations in the receiver and source wells. This study demonstrates that including boreholes into the modeling scheme can distinguish tube-wave-related events on seismograms to better assist data analysis and to guide data processing and interpretation.
Harris Jerry M.
Wu Chunling
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