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Autor:
Emmanuel Saragoussi, Jerry Kapoor, Denes Vigh, Laura Jones, Nader C. Dutta, Mohamed A. Eissa, Yangjun Liu, Sherman Yang, Cara Hunter
Publikováno v:
The Leading Edge. 35:141-145
Earth modeling plays a decisive role in seismic imaging. Presently, methods such as tomography and full-waveform inversion (FWI) are widely used to generate 3D high-resolution velocity models across sedimentary basins. However, given the nonunique na
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eef73fefac57e8865d959fe3b15c81ba
https://doi.org/10.1190/tle35020141.1
https://doi.org/10.1190/tle35020141.1
Publikováno v:
Interpretation. 3:SE1-SE11
We developed an integrated method that can better constrain subsalt tomography using geology, thermal history modeling, and rock-physics principles. This method, called rock-physics-guided velocity modeling for migration uses predicted pore pressure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f244bd9345b706252e8a8405eb1c6596
https://doi.org/10.1190/int-2014-0078.1
https://doi.org/10.1190/int-2014-0078.1
Publikováno v:
The Leading Edge. 33:978-984
In the past decade, marine seismic acquisition has evolved from narrow-azimuth (NAZ) to wide-azimuth (WAZ) geometries toward the latest offering of long-offset full-azimuth (FAZ) surveys with slanted cables. This broadband long-offset acquisition des
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbcaa012f1dbb83e5338f5d251caff11
https://doi.org/10.1190/tle33090978.1
https://doi.org/10.1190/tle33090978.1
Publikováno v:
The Leading Edge. 32:1116-1122
Full-waveform inversion (FWI) has proved itself as a valuable tool for updating and improving the accuracy of subsurface velocity models. For optimum performance, particularly in complex geological environments such as subsalt targets in the Gulf of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f79a4917a1ece4a72bf30812c1689d58
https://doi.org/10.1190/tle32091116.1
https://doi.org/10.1190/tle32091116.1
Publikováno v:
SEG Technical Program Expanded Abstracts 2016.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9fabd3331c8271086d5d41c58ff2c112
https://doi.org/10.1190/segam2016-13840957.1
https://doi.org/10.1190/segam2016-13840957.1
Publikováno v:
78th EAGE Conference and Exhibition 2016.
The conventional FWI is exposed to cycle skipping especially when the initial model is inadequate and the ultra-low frequencies are not present in the observed data. If the FWI does not have the power to mitigate the cycle skipping then initial veloc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ca7f2daffa6c46850cc7a4074feaf98
https://doi.org/10.3997/2214-4609.201601191
https://doi.org/10.3997/2214-4609.201601191
Publikováno v:
GEOPHYSICS. 76:WB41-WB51
The recently introduced method of wide-azimuth data acquisition offers better illumination, noise attenuation, and lower frequencies to more accurately determine a velocity field for imaging. For the field data experiment to demonstrate the technolog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::986f1c9723dd8f64ebf1338f0d4d74ae
https://doi.org/10.1190/geo2010-0399.1
https://doi.org/10.1190/geo2010-0399.1