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Showing 16,611 Results. Searched 200,756 documents.
Seismic and Well-Log Inference of Gas Hydrate Accumulations Above the Umiak and Ya-Ya Gas Fields, Northwest Territories; #20284 (2014)
Gilles Bellefleur, Michael Riedel, Tom Brent
Search and Discovery.com
... by convolving the reflection coefficients obtained from the sonic and density logs with a wavelet extracted from the seismic traces near the well using...
2014
Interpretation of 2-D Seismic Data
Bruce S. Hart
Special Publications of SEPM
... logs, then converting to reflection coefficients . The reflection coefficients are then convolved with a wavelet that is thought to atch the frequency...
2000
VSP Guided Reprocessing and Inversion of Surface Seismic Data
R. Gir, Dominique Pajot, Serge Des Ligneris
Southeast Asia Petroleum Exploration Society (SEAPEX)
.... In broadband inversion, an attempt is made to reconstruct the reflection coefficients and acoustic impedance over a spectral band which is wider than...
1988
Broadband reconstruction of seismic signal with generative recurrent adversarial network
Zhijun Zhang, Wei Song, Wei Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... beside the wells and the corresponding sequence of reflection coefficients as labels. In addition, In addition, based on random simulation, the reflection...
2022
An Example of 3-D AVO for Lithology Discrimination in Widuri Field, Asri Basin, Indonesia
Steven W. Smith, Larry Danahey, Romina Himawan, William E. Harmony, H. Lee Gilmore, John W. Armon, Tony L. Bowman, Wayne Smith
Indonesian Petroleum Association
... Petroleum Association, 23rd Annual Convention, IPA94-1.2-214, 401-413. Ostrander, W.J., 1984, Plane-Wave Reflection Coefficients for Gas Sands...
1995
Bi-directional LSTM-based non-causal deconvolution
G. Roncoroni, I. Deiana, E. Forte, M. Pipan
International Meeting for Applied Geoscience and Energy (IMAGE)
... traces, respectively; r(t) is a randomly distributed reflection coefficient series and n1(t) represents a random noise component added before convolution...
2024
Hydrocarbon exploration method based on spectral analyses of reflected seismic waves with an introduction to Class A, B and C P-wave dispersion
Robert Wiley, R. Harris Ardis, Scott W. Peters
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocities at lower frequencies result in increasing reflection coefficients toward 0 Hz below the velocity crossover point, a zeroreflection coefficient...
2024
AVO and Inversion Contribute to Makassar Exploration Efforts
William L. Soroka, Herry Andiarbowo, Anung Widodo
Indonesian Petroleum Association
... impact the magnitude of seismic events by altering the subsurface reflection coefficients (Gregory, 1977). The data needed to perform a rock physics...
1995
Pore Pressure and Elastic Moduli Estimation Considerations for a Simplified Geomechanical Model for Unconventional Plays. A case study in the Vaca Muerta Formation
Sergio Cuervo, Ezequiel Lombardo
Unconventional Resources Technology Conference (URTEC)
..., and A and B are the Bower’s coefficients for the virgin curve. Normalizing for matrix and fluid components Sayers et al (2003) show that in the analysis...
2017
Research on reservoir prediction based on compressed sensing and inversion theory
Qing Zhou, Jianli Wang, Qian Yu, Heng Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... and the model data, and the inversion results of the reflection coefficients have obvious errors. By comparing the forward modeling results...
2022
Abstract: Post-stack Inversion of the Hussar Low Frequency Seismic Data; #90187 (2014)
Patricia E. Gavotti, Don C. Lawton, Gary F. Margrave, and J. Helen Isaac
Search and Discovery.com
... inversion commonly uses a recursive inversion algorithm, which ignores the effect of the seismic wavelet, and treats the trace as a set of reflection...
2014
Density Mapping Technology – A New Geophysical Method and Technology for Density Contrast Exploration in the Crust, #41937 (2016).
Viliam Vatrt, Lubomil Pospisil, Lubos Sokol, Marek Goldbach
Search and Discovery.com
... with an extensive set of coefficients and additional information (developed during the modeling of a real geophysical shape of Earth’s body) in connection...
2016
Effects of Overburden Anisotropy and Vertically Aligned Fractures on P-Wave Azimuthal AVO Responses
Fatkhan, Yudi Yanto, Nofri Faruza Said
Indonesian Petroleum Association
... waves and case studies, edited by L. Ikelele and A. Gangi Soc. Expl. Geophys., Tulsa, p. 203-221. Ruger, A., 1996, Reflection coefficients and azimuthal...
2005
Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance
Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
..., Reflection Coefficients and Azimuthal AVO Analysis in Anisotropic Media: Geophysical Monograph Series, Number 10, Society of Exploration Geophysicists...
2016
Amplitude Versus Offset Gradient Modeling Over a Minnelusa Field
W.E. Johnson
Rocky Mountain Association of Geologists
... a Minnelusa Field, Presented at the Geotech '87, Denver. CO. Ostrander, W . J., 1984, Plane-wave reflection coefficients for gas sands at nonnormal...
1988
The impact of seismic nodes on enhancing subsurface imaging for mining A case study over the Tamarack Nickel field
Eamonn Murray, Andrew Stone, Celina Giersz, Amine Ourabah, Brian Bengert
International Meeting for Applied Geoscience and Energy (IMAGE)
... by a corresponding decrease in velocity, cancelling out one another. Calculated reflection coefficients are below 0.05 and reflection seismic is effectively...
2024
Abstract: Fracture Detection Via Azimuthal Analysis of Seismic Data: Snake Oil or silver Bullet?; #90187 (2014)
Mike Perz, Peter Cary, Xinxiang Li, and Satinder Chopra
Search and Discovery.com
... standard reflection processing resolution paradigms apply (i.e., lateral and vertical resolution /4—note that both AVAZ and VVAZ are typically performed...
2014
Synthetic Seismograms for PS Seismic Data; #41793 (2016)
Satinder Chopra, Ritesh Kumar Sharma
Search and Discovery.com
... with yellow arrows and in the highlighted zone, there are differences in the reflection coefficients and hence the amplitudes. In each case the same...
2016
The Look Ahead VSP Survey: Its Utility and Future, by Robert J. Brewer #40060
Search and Discovery.com
N/A
Accelerated deep learning-based estimation of wavefront dips and curvatures and their application to 3D prestack data enhancement
Kirill Gadylshin, Ilya Silvestrov, Andrey Bakulin
International Meeting for Applied Geoscience and Energy (IMAGE)
... of normal and normalincidence-point wavefronts at zero offset are used in the common-reflection-surface (CRS) method to produce stacking seismic sections...
2022
A Simple Guide to Depth Conversion: Part II
Ashley Francis
GEO ExPro Magazine
... they are important geological markers or major reflection events on the seismic. More layers are not necessarily better; sometimes simple single layer...
2018
PS-wave seismic data: A game changer in exploration and monitoring
Ali Tura, James Simmons, Sima Daneshvar, Matthew Copley, Joseph Stitt
International Meeting for Applied Geoscience and Energy (IMAGE)
... and Richards, 1980; Fatti et al., 1994) quantify reflection coefficients of the PP (RPP) and PS (RPS) modes. These equations, defined in Tura et al. (2022...
2022
The Attenuation Effects of Surface-Wave Propagations on Rockmass Using SASW Method
Suharsono, Abdul Rahim Samsudin
Geological Society of Malaysia (GSM)
... coefficients (a) for 50 Hz seismic waves (from Clark, in Dobrin, 1988). Material and Source Granite - Quincy, Mass - Rockport, Maine - Westerly, RI...
2003
Results of an Investigative Program for Direct Exploration for Gas-Oil Fields on the Rudenkov Monocline
Ye. P. Puzdrovskiy, V. S. Karpiy, V. T. Muravik, R. V. Gerasimovich, Ya. I. Guzik, P. P. Shostak
Petroleum Geology: A Digest of Russian Literature
... by the dipole-axial sounding method on a 1 km grid. Seismic surveys were by the reflection, common depth point, and regional directional reception methods...
1977
Abstract: Depth Induced Impedance Variations: Implications for Predicting Lithology and Fluid Distributions, Offshore Brunei Darussalam (Paper 16)
S. Ronghe, S. Pambayuning
Geological Society of Malaysia (GSM)
... of the sand layers included detailed crossplots of the sands and surrounding shales (Fig. 3), and calculation of reflection coefficients...
2001