September 30th

Concepts and applications of imaging with multiples and primaries
Location: SAC 3.116 Balcony Room C
Time: 11:50 AM – 12:50 PM

Speaker
Dan Whitmore- SEG Honorary Lecturer

Abstract
The goal of seismic acquisition and processing is to create a well sampled image of the subsurface. Broadband acquisition has expanded the useable low and high frequencies of the seismic signal. Multistreamer acquisition provides a much greater receiver sampling. Wide- and full-azimuth acquisition and longer offsets have improved the azimuthal and angular illumination. The increased receiver coverage allows for a more complete sampling of the total wave field. Multicomponent sensor technology both provides broadband acquisition and allows for separation of the downgoing and upgoing wavefields at the receivers, which subsequently can be used in imaging. Alternatively, there has been an increase in the use of ocean-bottom seismic, where the receiver sampling is relatively sparse, but the source sampling is typically dense. This presentation discusses imaging methods that take advantage of these advances in acquisition.

Biography
Dan Whitmore received a Ph.D. in geophysics in 1995 at the University of Tulsa for his research into the methods for plane wave imaging. He has 40 years of experience in geophysical research and applications in the areas of seismic modeling, processing, velocity estimation, multicomponent imaging and 3D imaging. He served as an individual contributor, mentor, instructor, consultant, and leader in seismic imaging technologies at Amoco, ConocoPhillips, and currently works for Petroleum Geo-Services.