Výsledky vyhledávání - "Gary F. Margrave"

Log-validated waveform inversion of reflection seismic data with wavelet phase and amplitude updating

Autor: Gary F. Margrave, Sergio Romahn, Kristopher A. Innanen

Publikováno v: GEOPHYSICS. 86:R529-R546

We have formulated an inversion approach for near-offset seismic reflection data based on full-waveform inversion (FWI) workflows, in which an element of standard seismic processing takes the place of each of the fundamental components of FWI. A moti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::878bd3e6a64dafa12d84e3cf083a05e9
https://doi.org/10.1190/geo2020-0374.1

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Can fracture orientation and intensity be detected from seismic data? Woodford Formation, Anadarko Basin, Oklahoma investigation

Autor: David Langton, Dan Kosloff, Jamie Rich, Allon Bartana, Mike Bradshaw, Gary F. Margrave, Marianne Rauch-Davies, David Kessler, Jeff Codd

Publikováno v: The Leading Edge. 38:144-150

With readily available wide-azimuth, onshore, 3D seismic data, the search for attributes utilizing the azimuthal information is ongoing. Theoretically, in the presence of ordered fracturing, the seismic wavefront shape changes from spherical to nonsp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c53109f84a6ce1260729e8d8551abc09
https://doi.org/10.1190/tle38020144.1

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Estimation of elastic constants for HTI media using Gauss-Newton and full-Newton multiparameter full-waveform inversion

Autor: Junxiao Li, Kristopher A. Innanen, Wenyong Pan, Gary F. Margrave, Xinding Fang, Michael Fehler

Publikováno v: GEOPHYSICS. 81:R275-R291

In seismic full-waveform inversion (FWI), subsurface parameters are estimated by iteratively minimizing the difference between the modeled and the observed data. We have considered the problem of estimating the elastic constants of a fractured medium

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2bfb310e6546bdcbb1c521d06f841273
https://doi.org/10.1190/geo2015-0594.1

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Azimuthal amplitude variation with offset analysis of physical modeling data acquired over an azimuthally anisotropic medium

Autor: Joe Wong, Faranak Mahmoudian, Gary F. Margrave, David C. Henley

Publikováno v: GEOPHYSICS. 80:C21-C35

We evaluated a quantitative amplitude analysis of 3D physical model reflection data acquired over an experimental phenolic layer that modeled a fractured medium with one set of vertical fractures. The phenolic layer was overlain by two isotropic laye

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0ad390dd1c251599797774ecb802b702
https://doi.org/10.1190/geo2014-0070.1

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