Výsledky vyhledávání - "David C. Henley"

Time-lapse detection using raypath interferometry

Autor: David C. Henley, Donald C. Lawton

Publikováno v: GEOPHYSICS. 86:Q27-Q36

The objective of most seismic time-lapse studies is to detect rock-property changes in a subsurface formation caused by fluid withdrawal or injection, often by comparing seismic reflection images of the subsurface before and after the operation. Beca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e3647bbe996cca864f67bae37efa3b4d
https://doi.org/10.1190/geo2020-0562.1

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To boldly go into the next dimension: Raypath interferometry for 3D near-surface corrections

Autor: David C. Henley

Publikováno v: First International Meeting for Applied Geoscience & Energy Expanded Abstracts.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fa25fbb5123ece2e59ab5a74e5660e9d
https://doi.org/10.1190/segam2021-3580141.1

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Computing near-surface velocity models for S-wave static corrections using raypath interferometry

Autor: Kristopher A. Innanen, Raul Cova, David C. Henley

Publikováno v: GEOPHYSICS. 83:U23-U34

A near-surface velocity model is one of the typical products generated when computing static corrections, particularly in the processing of PP data. Critically refracted waves are the input usually needed for this process. In addition, for the conver

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::87a3ec7ad1ea01c012aff3e817b7970f
https://doi.org/10.1190/geo2017-0340.1

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Receiver-side near-surface corrections in the τ-p domain: A raypath-consistent solution for converted wave processing

Autor: Raul Cova, Xiucheng Wei, Kristopher A. Innanen, David C. Henley

Publikováno v: GEOPHYSICS. 82:U13-U23

Removing near-surface effects in the processing of 3C data is key to exploiting the information provided by converted waves. Particularly for the case of the PS-mode, converted energy travels back to the surface as S-waves. Therefore, S-wave static c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::998a32092697770750620741bdab1568
https://doi.org/10.1190/geo2016-0278.1

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Computing near-surface velocity models for S-wave static corrections in the τ-p domain

Autor: Raul Cova, David C. Henley, Kristopher A. Innanen

Publikováno v: SEG Technical Program Expanded Abstracts 2018.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9fbf136070aa2b1aaa08d0abaf46944b
https://doi.org/10.1190/segam2018-2986560.1

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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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Progress on Ultra-Wideband (UWB) Multi-Antenna radar imaging for MIGA

Autor: Christian Pichot, Raul Cova, David C. Henley, Jean-Yves Dauvignac, Nicolas Fortino, Stéphane Gaffet, Matthew Yedlin, Kevin W. Hall

Publikováno v: E3S Web of Conferences
E3S Web of Conferences, EDP Sciences, 2016, 12, pp.01001. ⟨10.1051/e3sconf/20161201001⟩
E3S Web of Conferences, 2016, 12, pp.01001. ⟨10.1051/e3sconf/20161201001⟩
E3S Web of Conferences, Vol 12, p 01001 (2016)

Progress on the development of the multi-channel, ground penetrating radar imaging system is presented from hardware and software perspectives. A new exponentially tapered slot antenna, with an operating bandwidth from 100 MHz to 1.5 GHz was fabricat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a7ed6c48200ee7c2ef4b8505c9be7b6
https://hal.archives-ouvertes.fr/hal-03453144

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Interferometric application of static corrections

Autor: David C. Henley

Publikováno v: GEOPHYSICS. 77:Q1-Q13

Correcting reflection seismic data for the effects of near-surface irregularities is a persistent problem usually addressed at least partly by static corrections applied to traces. However, there are areas where static corrections are ineffective bec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::47c34dc0a74fb2ba9be431a0c1be5170
https://doi.org/10.1190/geo2011-0082.1

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Gabor deconvolution: Estimating reflectivity by nonstationary deconvolution of seismic data

Autor: Michael P. Lamoureux, David C. Henley, Gary F. Margrave

Publikováno v: GEOPHYSICS. 76:W15-W30

We have extended the method of stationary spiking deconvolution of seismic data to the context of nonstationary signals in which the nonstationarity is due to attenuation processes. As in the stationary case, we have assumed a statistically white ref

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f43bd7745b5c8ebb0d6f768b5ce2fa34
https://doi.org/10.1190/1.3560167

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Raypath interferometry: Statics in difficult places

Autor: David C. Henley

Publikováno v: The Leading Edge. 28:202-205

Methods for correcting reflections for near-surface effects are among the earliest techniques developed for seismic processing. Most fall into the category of statics correction techniques, which attempt to remove near-surface effects by applying a s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9815d234563cc691b5c55496c70d08bc
https://doi.org/10.1190/1.3086056

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