The following is a list of Abstracts of issued United States Patents during the review period.

6,898,147 INVENTORS: Jenner, Edward Louis; Williams, Martin Carroll; ASSIGNEE: Input/Output, Inc.; ISSUE DATE: May 24, 2005

System for estimating azimuthal variations in seismic data

The invention comprises a system for processing seismic data to estimate time shift resulting from velocity anisotropy in the earth's subsurface. A gather of seismic data traces is formed and selected seismic data traces included in said gather within selected time windows are cross-correlated to estimate the time shift in the seismic data traces included in said gather resulting from...

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