Tomostatics and closure phase residual statics applied to Saudi Aramco land data

Jianming Sheng, Jianhua Yu, Gerard Schuster

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

Three-dimensional traveltime tomography is applied to a Saudi Aramco land data. Tomostatics are estimated using the near-surface velocity model from the traveltime tomogram and residual reflection statics are calculated using closure phase principle. The closure phase principle is widely used in astronomical imaging to estimate the phase aberrations of the atmosphere, which is here equivalent to the residual statics due to the local velocity variations at the source and receiver positions. The closure phase static method does not need to solve a large system of equations and thus is much faster than simulated annealing or gradient based methods. The stacked section is significently improved after the tomostatic correction compared to the brute stack section; and it is further improved by applying the closure phase residual static correction compared to that obtained by using the residual statics calculated by a gradient-based method. Simulated annealing method, although slow, gives the most coherent reflection section.

Original languageEnglish (US)
Title of host publicationSociety of Exploration Geophysicists - 75th SEG International Exposition and Annual Meeting, SEG 2005
PublisherSociety of Exploration Geophysicists
Pages2229-2232
Number of pages4
ISBN (Print)9781604236101
StatePublished - Jan 1 2005
Event75th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2005 - Houston, United States
Duration: Nov 6 2005Nov 11 2005

Publication series

NameSociety of Exploration Geophysicists - 75th SEG International Exposition and Annual Meeting, SEG 2005

Conference

Conference75th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2005
CountryUnited States
CityHouston
Period11/6/0511/11/05

ASJC Scopus subject areas

  • Geophysics

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