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The AAPG/Datapages Combined Publications Database
Showing 28,190 Results. Searched 200,673 documents.
Seismic amplitude variation with angle response of hydrogen-saturated rock: Implications on subsurface monitoring
Chao Li, Shuvajit Bhattacharya
International Meeting for Applied Geoscience and Energy (IMAGE)
...Seismic amplitude variation with angle response of hydrogen-saturated rock: Implications on subsurface monitoring Chao Li, Shuvajit Bhattacharya...
2024
Fast Track Reservoir Characterisation of a Subtle Paleocene Deep Marine Turbidite Field Using a Rock Physics and Seismic Modelling Led Workflow
H.J.S. Morris, R. Christensen, D. Gawith, M. Millwood-Hargrave
Indonesian Petroleum Association
... forward and then apply to the seismic world of Amplitude Variation with Angle (AVA) and inversion. By using rockphysics to bridge the gap between...
2008
Elastic Impedance Inversion for Reservoir Delineation A Quantitative Interpretation Case Study in the Malay Basin (Geophysics Paper 11)
N. Cheng, I. Bukhari, I. Kanok, S. Awirut, C. Vitoon
Geological Society of Malaysia (GSM)
... Amplitude Variation with Angle (AVA) processing; band pass filtering to mitigate noise; trim static to align seismic events; and offset scaling to balance...
2008
Building a Geomodel for the South Belut Gas Field, West Natuna Basin: Overcoming Challenges in Seismic and Petrophysics
Budi R Permana, Retno Wijayanti, Tigor Hamonangan, Yana Hendrayana, Miftahul Firdaus
Indonesian Petroleum Association
... reflect the influence of gas effects. The amplitude variation with angle was then evaluated and compared to AVA response of hydrocarbon content...
2024
Quantitative Interpretation in the Bedout Sub-basin: The value of seismic inversion in areas of sub-optimal seismic data quality
M. Kongawoin, A. Pauli, A. Locke, L. Hansen
Petroleum Exploration Society of Australia (PESA)
.... Deterministic amplitude variation with angle (AVA) interface models at the Top Caley Formation for Roc-1, Roc-2 and Dorado-1 are illustrated in Figure...
2019
Least-squares reverse-time migration with angle gathers through point spread functions
Jianyong Bai, Orhan Yilmaz
International Meeting for Applied Geoscience and Energy (IMAGE)
...) describe reflectivity variations over reflection angles and azimuth for model building and amplitude versus angle (AVA) analysis. The ADCIGs can be obtained...
2022
Relation of Organic Matter to Color of Sedimentary Rocks
H. Whitman Patnode
AAPG Bulletin
... of all samples. The average reduction number is about 1.00 and the average reflectivity 31 per cent. The angle at which t e regression lines cross...
1941
P- and PS-Wave Vector Wavefields for Anisotropic Petrophysics
James Gaiser
Petroleum Exploration Society of Australia (PESA)
... inversion methods. Norton et al. (2010) show that conventional seismic methods of amplitude variation with offset or angle (AVO or AVA) inversion...
2016
Abstract: Physical Modeling for Azimuthal AVO Over a Simulated Fractured Medium; #90174 (2014)
Faranak Mahmoudian, Gary F. Margrave, and Joe Wong
Search and Discovery.com
... variation, although small, is demonstrated clearly. Note that the AVA variation is small for incident angles less than 30⁰. AAPG Datapages/Search...
2014
Future of Tunu Field Development: A Breakthrough of Gas Sand Identification Using Automated Seismic Assessment, #42144 (2017).
Firman B. Kurniawan, Rangga A. Brahmantio, Argo Wuryanto, Yudhistira Adji, Eros S. Erriyantoro, Pujo Rahmanto
Search and Discovery.com
...-substacks, CDP gathers, amplitude versus angle (AVA), and inversion/litho-seismic cube. From the 1-D modeling and drilled wells results, the water sands do...
2017
Full azimuth angle domain Q prestack depth migration imaging technology: A case study of tight gas in western China
Huahui Zeng, Qin Su, Huijie Meng, Shengtao Zang, Deying Wang, Shuhai Qie
International Meeting for Applied Geoscience and Energy (IMAGE)
... and angular track set. The amplitude variation dependent on the omnidirectional incident angle can be applied to reliably and accurately analyze...
2024
Abstract: Gabbros, metagabbros and waves in the continental crust
Chuck Hurich, Aphrodite Indares, Sharon Deemer
Atlantic Geology
... and metamorphic grade in determining the velocity, density and reflectivity structure of the continental crust. Unmetamorphosed examples...
1998
Tunu Shallow Web-Apps: A Game-Changer in Practical AVO/AVA Analysis for an Efficient Seismic Driven Prospect Evaluation
Muhammad Irsyad Hibatullah, Yasinto Sindhu Priastomo, Effendy Siawira, Ronald Herbet, Binti Wasik Atul Ulum
Indonesian Petroleum Association
... Anomalies Analog Module The process of understanding local Amplitude Versus Offset (AVO) or Amplitude Variation with Angle (AVA) trends poses...
2024
Abstract: P- and S-Wave Velocity Measurements and Pressure Sensitivity Analysis of AVA Response; #90211 (2015)
Tiewei He and Douglas Schmitt
Search and Discovery.com
...Abstract: P- and S-Wave Velocity Measurements and Pressure Sensitivity Analysis of AVA Response; #90211 (2015) Tiewei He and Douglas Schmitt...
2015
Abstracts: The Reflectivity Response of Multiple Fractures and its Implications for Azimuthal AVO Inversion; #90173 (2015)
Olivia Collet, Benjamin Roure, Jon Downton
Search and Discovery.com
... variation of the reflectivity response when we increase the angle separating both sets of fractures. Besides, we can distinguish on figure 3 (right...
2015
Abstract: Maximize the Potential of Seismic Data in Shale Exploration and Production Examples from the Barnett Shale and the Eagle Ford Shale; #90187 (2014)
Joanne Wang and Duane Dopkin
Search and Discovery.com
... suited for velocity anisotropy and azimuthal AVA determinations. The AVAZ approach measures the changes in amplitude variation with reflection angle...
2014
Methods of estimating wavelet stationarity, stabilizing non-stationarity, and evaluating its impact on inversion: A synthetic example using SEAM II Barrett unconventional model
Jesse Buckner, Michael Fry, Joe Zuech, Peter Harris, Bill Shea
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The impact of this stabilization routine is shown by improvement in pre-stack amplitude versus angle (AVA) inversion results. commonly observed...
2023
Prestack inversion for tight sandstone thin reservoirs based on anisotropic rapid reflectivity method
Zhen Yang, Zhenfeng Liu, Junzhou Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... on anisotropic rapid reflectivity method the initial model to reflect the variation trend of the geological formations broadly. Figure 1: Comparison...
2024
Abstract: Mapping Lithological Heterogeneity in Athabasca Oil Sand Reservoirs Using Surface Seismic Data: Case History; #90171 (2013)
Yong Xu and Satinder Chopra
Search and Discovery.com
... the formation and weak correlation between seismic (P impedance or reflectivity) and lithology, “normal” attempts at geologic interpretation usually prove...
2013
De-Risking Exploration Well in A Mature Basin, Jabung Block, South Sumatra Basin: Application of Avo Analysis in A Sub-Unconformity Play
Lucky Kriski Muhtar, Mawar Indah Nursina, Iman Suripto Suyatno, Henri Heru Prasetijo, Hendra Niko Saputra
Indonesian Petroleum Association
.... To de-risk the play, this study proposes to characterize the reservoir by Amplitude Variation with Offset/Angle (AVO/AVA) method for a better...
2022
Premigration attenuation analysis and mapping to image domain by weighted migrations
Yonghe Sun, Chunling Wu, Mark Fan, Zhemin Tan
International Meeting for Applied Geoscience and Energy (IMAGE)
... research area for seismic imaging and amplitude-versus-angle (AVA) analysis. According to Aki and Richards (2002, equation 5.94), attenuation can...
2022
Seismic Foldout: Quad 35 Hybrid MC3Ds: Innovative multi-parameter FWI for near field exploration
Tor Akermoen, Jeroen Hoogeveen, GEOEX MCG, Kristen Berli, Seismic Partner, Tom Rayment, Percy Mellar
GEO ExPro Magazine
..., this approach provides true-amplitude reflectivity images for both structural and quantitative interpretation (including angle stacks for AVA analysis...
2023
Reflection Seismogram in a Solid Layered Earth: ABSTRACT
Milo M. Backus, Filho Nepomuceno, Jingzhong Cao
AAPG Bulletin
... of compressional and shear velocity variations. The expected variation in reflectivity with offset in clastic basins suggests that we should seriously...
1983
AVAZ inversion for brittleness indicator and fracture parameters of gas-bearing reservoirs with tilted transverse isotropy
Yuanyuan Tan, Guangzhi Zhang, Zhengqian Ma, Ying Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... the amplitude variation with the angle and azimuth (AVAZ) inversion. First, we derive a linearized PP-wave reflection coefficient of the TTI medium...
2023
Reservoir Characterisation Through Integrated AVO, AI and EI Inversion
Andy Furniss
Indonesian Petroleum Association
...) are the most widely used in AVO studies. The Shuey equation relates reflectivity at a given angle, R(θ), as a function of normal incidence reflectivity...
2002