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James Gaiser

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Proceedings Papers

Paper presented at the 1999 SEG Annual Meeting, October 31–November 5, 1999
Paper Number: SEG-1999-0713
... ABSTRACT No preview is available for this paper. reservoir characterization gulf basalt top basalt mode-conversion identification suppression base cretaceous mexico seafloor imaging migration base basalt upstream oil & gas james gaiser high velocity layer prestack...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3421349
... international exposition fracture properties media reservoir characterization exploration geophysicist 10 s-wave radiation anisotropic media gaiser geophysical consulting summary-wave Modeling the effect of fracture density and saturation on S-wave radiation from vertical sources James Gaiser*, Gaiser...
Proceedings Papers

Paper presented at the 2001 SEG Annual Meeting, September 9–14, 2001
Paper Number: SEG-2001-0768
... reservoir characterization birefringence static correction upstream oil & gas gaiser azimuth-consistent static correction ps 1 fracture characterization Green River basin 3-D/3-C case study for fracture characterization: Common-azimuth processing of PS-wave data Richard Van Dok*, James Gaiser...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581797
... heterogeneity, anisotropy and possible attenuation of surface waves. Combining vertical and radial-horizontal point source data via 4C rotation in isotropic media James Gaiser*, Gaiser Geophysical Consulting Summary Multi-source radiation Two horizontal sources, orthogonally oriented, are com- Gaiser (2019...
Proceedings Papers

Paper presented at the 1994 SEG Annual Meeting, October 23–28, 1994
Paper Number: SEG-1994-1629
... ABSTRACT No preview is available for this paper. Special Session 3: Seismic Data Acquisition and Processing in Mountainous Thrust Areas Thursday morning, October 27th 3-D acquisition realities and processing strategies in mountainous thrust areas Scott MacKay*, Stuart Wright, James Gaiser...
Proceedings Papers

Paper presented at the 2001 SEG Annual Meeting, September 9–14, 2001
Paper Number: SEG-2001-0764
... gaiser residual amplitude pswave birefringence reservoir characterization orientation fracture characterization analysis velocity ratio case study ps 11 vp 11 ps 22 overburden Green River basin 3-D/3-C case study for fracture characterization: Analysis of PS-wave birefringence James Gaiser...
Proceedings Papers

Paper presented at the 2002 SEG Annual Meeting, October 6–11, 2002
Paper Number: SEG-2002-1638
... characterization anisotropy reservoir porosity upstream oil & gas production cost azimuthal anisotropy pswave reservoir PS-wave azimuthal anisotropy: benefits for fractured-reservoir management James Gaiser* and Richard Van Dok, WesternGeco Summary Fractured reservoirs have been encountered worldwide...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427110
... sources James Gaiser*, Gaiser Geophysical Consulting Summary and Wagner, 2014) more challenging when S-wave split- ting is significant and needs to be analyzed and removed. Recent investigations in shear waves (S-waves) that con- vert to compressional waves (P-waves) as primary reflec- In this study I...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5899618
... reflection point gather extension illuminated area footprint vector tile gather extension illumination upstream oil & gas Offset vector tile gather extension and weighting to reduce footprint in dual-datum and converted-wave migration Vetle Vinje*, Peng Zhao and James Gaiser, CGG Summary Common...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581829
... wavefield amplitude fracture source data illumination exploration geophysicist 10 anisotropic media Combining vertical and radial-horizontal point source data via 4C rotation in anisotropic media James Gaiser*, Gaiser Geophysical Consulting Summary Multi-source radiation Two horizontal sources...
Proceedings Papers

Paper presented at the 2003 SEG Annual Meeting, October 26–31, 2003
Paper Number: SEG-2003-0822
... gaiser Vector-fidelity differences between P-wave first breaks and PS-wave reflections: implications for compensation of full-azimuth data James Gaiser, WesternGeco Summary Coupling in seabed data is well understood and has been characterized by damped oscillatory systems that vary in amplitude...
Proceedings Papers

Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-4334
...-wave bandwidth to match P-wavelengths James Gaiser*, Richard Verm and Alvaro Chaveste, Geokinetics Inc. Introduction It has been recognized for some time that similar vertical wavelength ranges must be preserved in multicomponent data (Garotta and Granger, 1988) and more specifically that wavelengths...
Proceedings Papers

Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-1278
... registration c-wave spectral correction wavelet transformation wavelet correction correspond fast c-wave reservoir characterization multicomponent data velocity property frequency C-wave spectral broadening by wavelet transformation to match P-wavelengths: Marcellus shale James Gaiser*, Richard...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2991016
... , 3rd ed. : SEG . S-wave radiation signatures from vertical sources in orthorhombic media for SP-wave data James Gaiser*, GGC Summary Shear waves (S-waves) radiated from explosives and verti- cal sources have recently been investigated for land seismic exploration to exploit conversion...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17688731
... in anisotropic media :( 3rd ed. ): SEG , 10.1190/1.9781560803003 . Source radiation patterns for S-wave exploration James Gaiser*, GGC Summary Desire to find an optimal seismic source for S-wave appli- cations has gone through cycles of over expectation and disappointing realization. Bigger...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-W11-05
...S-waves from vector sources: making sense of free-surface radiation and scattering James Gaiser*, GGC Summary There have been many challenges to identify the seismic source that has optimal properties for shear-wave (S-wave) applications. Both horizontal and vertical point forces radi- ate coupled...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998076
... . Tsvankin , I. , 2012 , Seismic signatures and analysis of reflection data in anisotropic media , 3rd ed. : SEG . SP-wave surface-seismic signatures in orthorhombic media James Gaiser*, GGC Summary Shear waves (S-waves) radiated from explosives and verti- cal sources have recently been...
Proceedings Papers

Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-1293
... characterization p-wave source sswave reflection particle motion azimuth azimuth stack upstream oil & gas receiver radial coordinate system media SS-wave reflections from P-wave sources in azimuthally anisotropic media James Gaiser* and Richard Verm, Geokinetics Inc. Summary Early theoretical...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5878182
... shale behavior James Gaiser, CGG Summary Predicting frackability using seismic data has become a very important area of investigation for high-grading loca- tions for drilling and hydraulic fracture stimulation. Most seismic studies to characterize brittleness use conventional P-wave data...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-2566
... Retrieval and suppression of surface waves using interferometry by correlation and by deconvolution Ivan Vasconcelos , James Gaiser, Alex Calvert and Carlos Caldero´n-Mac´ as ION Geophysical, GXT Imaging Division. Summary Elastic interferometry can be used to retrieve only the surface waves propagating...

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