View Item 

Simultaneous time imaging, velocity estimation and multiple suppression using local event slopes

Access Status
Open access
Authors
Cooke, D.
Bona, Andrej
Hansen, B.
Date
2008
Type
Conference Paper

Metadata
Show full item record
Citation
Cooke, Dennis and Bona, Andrej and Hansen, Benn. 2008. Simultaneous time imaging, velocity estimation and multiple suppression using local event slopes, in SEG (ed), 78th Annual SEG Meeting, Nov 9 2008.Las Vegas: Society of Exploration Geophysics
Source Title
SEG Las Vegas 2008 Annual Meeting
Source Conference
78th Annual SEG Meeting
Faculty
Department of Exploration Geophysics
Faculty of Science and Engineering
WA School of Mines
Remarks

Published by the Society of Exploration Geophysicists. © 2008 Society of Exploration Geophysicists.

Cooke, Dennis and Bóna, Andrej and Hansen, Benn. 2008. Simultaneous time imaging, velocity estimation and multiple suppression using local event slopes, in Proceedings of the 78th Society of Exploration Geophysicists International Exposition and Annual Meeting, Nov 9 -14 2008, pp. 2236-2240. Las Vegas: Society of Exploration Geophysics (SEG).

URI
Collection
Abstract

We present and discuss the use of local event slopes and their associated attributes (referred to as XTP attributes here) as a way to estimate a time-imaging velocity field and to suppress organized noise including – but not restricted to - multiples. The 4 XTP attributes are: migration velocity, migrated spatial location, migrated zero offset time and stack domain dip. We derive the equations for XTP attributes from the double square root equation which illustrates the strong connection with Kirchhoff time migration. In this paper the XTP attributes are calculated in the shot and receiver domain. The advantages of shot/ receiver domain XTP noise suppression over similar efforts in the CMP and offset domain are discussed. In a companion presentation (Cooke et al, 2008), we discuss different methods of extracting these local event slopes.