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The AAPG/Datapages Combined Publications Database
Showing 28,166 Results. Searched 200,357 documents.
Hydrocarbon Expression on Low-Impedance AVO: A Phenomenon of Amplitude Reversal
W. Waluyo
Indonesian Petroleum Association
... offset or angle of incidence. The calculated reflectivity of Model 3 is shown in Figure 4. This model is similar to Model 2, however the concentration...
2002
Orthorhombic AVAZ inversion in the Laplace-Fourier domain
Lin Li, Jinmiao Zhang, Guangzhi Zhang, Zhenyu Zhu, Jiajia Zhang, Chao Li, Xinpeng Pan
International Meeting for Applied Geoscience and Energy (IMAGE)
... to amplitude variation with angle (AVA) inversion for recovering the low-frequency components of elastic parameters (Li et al. 2017; Zong et al. 2017...
2022
Comprehensive lithological description, reservoir property, and pore-pressure prediction for unconventional shale reservoirs using rock physics: Midland reservoir characterization case study
Sagnik Dasgupta
International Meeting for Applied Geoscience and Energy (IMAGE)
...-Variation-with Angle (AVA) inversions from the Midland Basin, in West Texas. Introduction Mature kerogen-rich shales contain large amounts...
2022
Improved subsalt imaging in the Eastern Mediterranean Sea with converted wave attenuation
Monica Hartmann, Jana Caskey, Benjamin Cole, James McLeman, Tom Rayment, Ares Ouzounis
International Meeting for Applied Geoscience and Energy (IMAGE)
... reflection energy will be kinematically correct but will exhibit a different amplitude variation with angle (AVA) compared to the recorded data...
2024
Abstract: Kirchhoff Prestack Time Migration with Angle Domain Common Image Gathers; #90174 (2014)
Jianhua Pan, Robert Tilson, Gerry Schlosser, and Elvis Floreani
Search and Discovery.com
... be obtained from seismic data by processing in common angle gathers. Instances of these benefits are amplitude-versus-angle (AVA) analysis with the specific...
2014
Pre-Messinian Tight Reservoir Characterization Western Nile Delta, Egypt; #11317 (2020)
Trisakti Kurniawan, Hasnor Farhana Hasnan, M Adni B Wahab, Wahyu Prasetyotomo, Christian Brinzer, Alessandro Mannini
Search and Discovery.com
... to capture uncertainty in thickness, tuning, and variation in reservoir effectiveness. Anisotropy as another factor was also considered in the model...
2020
Learning from 40 Years Experience: Risking Seismic Amplitude Anomaly Prospects; #110139 (2010)
Mike Forrest
Search and Discovery.com
... with offset/angle (AVO, AVA): prestack data, seismic gathers, offset/angle stacks, cross-plots (actually “change in AVO”) Phase (Polarity) Change: seismic...
2010
Relative inversion for extended elastic impedances
Peter Harris, Kathryn Young
International Meeting for Applied Geoscience and Energy (IMAGE)
... impedance rotation to using a relative inversion for the same purpose. The AVA gradient used in the EEI rotation is extremely sensitive to noise...
2024
ABSTRACT: Prestack Depth Migration for 'Easy' Onshore Plays?, by Morgan Brown; #90156 (2012)
Search and Discovery.com
2012
Pre-Messinian Tight Reservoir Characterization — Western Nile Delta, Egypt
Search and Discovery.com
N/A
AVO Inversion in Marine Gas Hydrate Studies; #41603 (2015)
Marc-André Chen, Stan Dosso, George Spence, Michael Riedel, Roy Hyndman
Search and Discovery.com
... and free-gas from suitable multichannel seismic (MCS) data is the study of BSR amplitude variation with offset (AVO), a method commonly used for hydrocarbon...
2015
Abstracts: Fluid Substitution and Seismic Modelling in a Sandstone Aquifer; #90173 (2015)
Virginia C. Vera and Don C. Lawton
Search and Discovery.com
... saturation stages: 0%, 20% and 60%. Figure 5 confirms that the reflectivity diminishes with the increment in the incident angle. All the curves have the same...
2015
Seismic Lithology and Pitfalls in Seismic Porosity Detection: ABSTRACT
D. R. Balogh, W. Barney, D. Harvey, G. W. Snyder
AAPG Bulletin
... reflectivity to be estimated from the offset variation. The results of this procedure show greater continuity and geologic interpretability. More important...
1985
Seismic Foldout: Potential Prospectivity Identified in the Orphan Basin
Yermek Balabekov, Yang Yang, Sriram Arasanipalai, PGS Ultima
GEO ExPro Magazine
... manner. However, PGS Ultima is an entirely data-driven workflow and it delivers reflectivity and relative density properties in a much faster...
2022
Abstract: Physical Testing of the Effect of Tilting on the Reflection Coefficient in an Anisotropic Material; #90172 (2014)
Miryam Ortiz-Osornio, Douglas R. Schmitt
Search and Discovery.com
..., the reflectivity curves for the tilted media with the dipping angle of 45° show strong dependence on the azimuth. One can clearly observe that the larger...
2014
Perceiving the Unseen Hydrocarbon Play Potential Grounded by Seismic Reservoir Characterization and Well Data in the Gumai Formation, South Sumatera, Indonesia
Haryono Haryanto, Wahyudin Bahri Nasifi, Indah Edria Amorita, I Wayan Ardana Darma, Trisakti Kurniawan, Fithra H. Darmawan, Azli B. Abu Bakar, Randy Condronegoro, Andri Syafriya
Indonesian Petroleum Association
... in reflectivity coefficient character as a function of offset/angle. However, this attribute is not used in this study due to the unavailability of angle...
2017
Recent Advances in the Characterization of Unconventional Reservoirs with Wide-Azimuth Seismic Data
Ran Bachrach, Colin M. Sayers, Sagnik Dasgupta, Josimar Silva, Stefano Volterrani
Unconventional Resources Technology Conference (URTEC)
..., similar to the conventional isotropic Amplitude Versus Angle (AVA) where shear information is known to be better resolved than is density. Figure 2...
2013
Abstract: Characterizing Volumes and Distribution of Methane Hydrate and Underlying Free Gas with Wide Angle Seismic Data on the Blake Ridge, Offshore South Carolina, by Margie Kloska and W. S. Holbrook; #90914(2000)
Search and Discovery.com
2000
Horizontal stress inversion based on azimuthal difference in P-wave reflectivity
Fubin Chen, Zhaoyun Zong, Xingyao Yin
International Meeting for Applied Geoscience and Energy (IMAGE)
... subjected to different horizontal stresses variation with incident angle, respectively (Rock properties are shown in Table 1). Rpp ( ,0°) and Rpp ( ,90...
2022
Machine Learning Technology to Improve Precision and Accelerate Screening Shallow Gas Potentials in Tunu Shallow Gas Zone, PT Pertamina Hulu Mahakam
Ronald Herbet, Debrina Sugiharto, Cepi M-Adam, Andrean Satria, Khairul Ummah
Indonesian Petroleum Association
... that the most important features are far sweetness and Amplitude Variation with Angle (AVA) 450. SHAP shows an increasing gas trend correlate...
2021
Abstract: Q Effects on Thin-bed AVO/AVF Analysis; #90224 (2015)
Wenyong Pan and Kris Innanen
Search and Discovery.com
... the imaginary parts of and , but these effects are weaker. Introduction In amplitude-variation-with-offset (AVO) techniques, seismic reflection amplitudes...
2015
2005
Fracture Characterization of the Montney Formation Using Amplitude Inversion of Converted Wave Seismic
Tyler L. MacFarlane, Thomas Davis
Unconventional Resources Technology Conference (URTEC)
... to the formations crack density, and produces an azimuthal signature in converted wave seismic amplitudes. Amplitude variation with angle (AVA...
2015
Uncovering Seismic HTI Anisotropy of the Cooper Basin
Stephanie Tyiasning, Dennis Cooke
Petroleum Exploration Society of Australia (PESA)
... in Anisotropic Media: Society of Exploration Geophysicists. Rüger, A., 1998, Variation of P-Wave Reflectivity with Offset and Azimuth in Anisotropic Media...
2016