Retrieving high-resolution acoustic impedance using full-waveform inversion in presalt reservoir setting, offshore Brazil

Akshat Abhishek, Alok K. Soni, Rene-Edouard Plessix, Martijn Blaauw, Jaydip Guha, Gautam Kumar

International Meeting for Applied Geoscience and Energy (IMAGE)

...., 1989). Further, the conventional impedance or AVO (Amplitude variation with offset) inversion based on Zoeppritz equations assumes a local 1-D medium...

Reservoir Description using hybrid seismic inversion: A 3D case study from María Inés Oeste field, Argentina

M. Benabentos, S. Mallick, M. Sigismondi, J. Soldo

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

..., A simplification of the Zoeppritz equations: Geophysics, 50,609-614. Soldo, J., Lenge, D., Sigismondi, M., Telles, A.A., Sena, A.G., and Smith...

The impact of the synthetic seismic data generation method on automated AI-based horizon interpretation

F. Vizeu, J. Zambrini, A. Canning

International Meeting for Applied Geoscience and Energy (IMAGE)

... be applied to generate synthetic pseudomigrated gathers using Zoeppritz equations for prestack amplitudes. These synthetic gathers can be applied to train...

Analysis of the Elastic Impedance Inversion and Lamda Mu Rho to Identify the Distribution of Sandstone Reservoirs and Hydrocarbon Fluids in the JoggingŽ Field, Northwest Java Basin

Akbar Dwi Wahyono, Mualimin, Sudarmaji

Indonesian Petroleum Association

..., A simplification of the Zoeppritz equations. Geophysics, 50, 609-614. Aki, A., Richard, P.G., 1980, Quantitative Seismology: Theory and Methods. W.H....

Dim Spots and Non-Bright AVO Associated with Gas in the South Ardjuna Basin, Offshore North West Java, Indonesia

David A. Fisher, Leonardus Suffendy

Indonesian Petroleum Association

... of incidence. Figure 8. (A) Theoretical amplitude response based on the Zoeppritz equations for different fluid substitution models in the KK-41 reservoir...

Bayesian RockAVO: Direct petrophysical inversion with hierarchical conditional GANs

Miguel Corrales, Muhammad Izzatullah, Matteo Ravasi, Hussein Hoteit

International Meeting for Applied Geoscience and Energy (IMAGE)

... and Zoeppritz equation that constitute the modelling operator, further complicates the inversion process. In this work, we propose a novel data-driven...

Hydrocarbon Expression on Low-Impedance AVO: A Phenomenon of Amplitude Reversal

W. Waluyo

Indonesian Petroleum Association

... on the theory of reflection magnitude as a function of incidence angle. In general, reflection magnitude decreases as offset increases. Zoeppritz first...

Abstract: Seismic Characterization for Tight Gas Sand With 3D3C Data, by Zhou, Yijun; Peng, Chaoquan; Wang, Daxing; Xu, Shang; Xia, Mili; Zhang, Xinhua; Daoyong, Du; Yan, Ronghui; Zhang, Yuhua; #90163 (2013)

Search and Discovery.com

Implementation of an Exploration Workflow to Characterize a Low Poro-Perm Gas-Bearing Prospect Using Rock Physics Depth Trends to Assist Avo Classification

Search and Discovery.com

Tight Gas Reservoir Characterization with 3D3C Data; #41257 (2013)

Yijun Zhou

Search and Discovery.com

... difficult to characterize using P-waves alone. Compared to the conventional one-component P wave exploration, MC method is more effective in lithology...

Integrated well data and 3D seismic inversion study for reservoir delineation and description

Qazi Sohail Imran, Numair Ahmad Siddiqui, Abdul Halim Abdul Latif, Yasir Bashir, Almasgari Abdalsalam, Abduh Saeed Ali, Muhammad Jamil

Geological Society of Malaysia (GSM)

... on the convolutional model and a linearized weak contrast approximation of the Zoeppritz equations. The solution of stochastic inversion is given by a Gaussian...

The Seismic AVO of Wet and Dry CBM Reservoirs; #41548 (2015)

Jason McCrank, Han-xing Lu, Kevin Hall, Don C. Lawton

Search and Discovery.com

... is a difference in Poisson’s ratio. Zoeppritz Reflection Coefficients The Zoeppritz Explorer (CREWES) was used to investigate the PP and PS reflection...

A field data application of RockAVO: Data-driven, direct petrophysical inversion of prestack seismic data

Miguel Corrales, Hussein Hoteit, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... physics models. Moreover, pre-stack seismic data are modeled from elastic parameters using the nonlinear Zoeppritz equation (Zoeppritz, 1919) or its...

Reservoir Characterization and Modeling: A Look Back to See the Way Forward

Xinghe Yu, Y. Zee Ma, David Psaila, Paul La Pointe, Ernest Gomez, Shengli Li

AAPG Special Volumes

.... A simplification of the Zoeppritz equations: Geophysics, v. 50, no. 4, p. 609614, doi:10.1190/1.1441936.Srivastava, R. M., 1994, An overview of stochastic methods...

Structure Interpretation Problems of a Lower Miocene Reef Associated with a Shallow Low Velocity Anomaly, North Sumatra

Peter Walker, Masrizal Maas, Michael D. Burnaman

Indonesian Petroleum Association

... offset traces is thought to be related to the "wide angle" phenomenon of Zoeppritz's equations (Sheriff, 1973), whereby the large angles of incidence...

Intra-Muda Shallow Gas in Cumi-Cumi PSC, Natuna Sea - a Driller's Nightmare Becomes a Geophysicist's Dream

Martin Bennett

Indonesian Petroleum Association

..., R.T., 1985. A Simplication of the Zoeppritz equations, Geophysics 50, 609-614. The LASMO Cumi-Cumi PSC lies in the central part of the West Natuna...

4D Seismic Bandwidth and Resolution Analysis for Reservoir Fluid-flow Model Applications

Rafael Souza, David Lumley, Jeffrey Shragge, Alessandra Davolio, Denis Schiozer

Petroleum Exploration Society of Australia (PESA)

... particularly hard to characterize. Amplitudes are no longer the same as the high-frequency RC values (i.e., those calculated from the Zoeppritz equations...

Simultaneous inversion of tight sandstone reservoir fluid and brittleness index based on frequency-dependent AVO

Tianjun Lan, Zhaoyun Zong

International Meeting for Applied Geoscience and Energy (IMAGE)

... (ω ωr ) π Qs  ,     Q p and Qs are quality factors of P-wave and S-wave, respectively. By comparing the exact Zoeppritz equation...

Un Nuevo Enfoque para el Analisis de la Variación de la Amplitud con el Offset (AVO) [PAPER IN SPANISH] A New Approach to the Analysis of the Amplitude Variation with Offset (AVO)

Consuelo Garcia Mojonero, Angela Echanove Homos, Agustin Arrieta Murillo

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... aproximaciones a la solution completa de las ecuaciones de Zoeppritz, falta de control sobre el error cometido al utilizar esas aproximaciones. Para superar estas...

Abstracts: Tuning Effects in P-wave Reflections from a CO2 Injected Saline Aquifer: A Preliminary Appraisal; #90173 (2015)

Bernard Giroux, Maxime Claprood, and Lorenzo Perozzi

Search and Discovery.com

... injected models. Color scales are not linear to enhance low energy waves. AAPG Search and Discovery Article #90173 CSPG/CSEG/CWLS GeoConvention 2011...

Abstracts: Brine-methane Substitution: The Seismic Response of Coalbeds; #90173 (2015)

Diane J. Lespinasse and Robert J. Ferguson

Search and Discovery.com

... of the reflection coefficients with the incidence angle using the Zoeppritz equation. We also use the Zoeppritz equation to evaluate the variations...

AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods

Alan R. Huffman

AAPG Special Volumes

... that are essentially measuring the same vertical-incident information. Figure 5 shows an example of the difference in resolution between conventional...

Origin and charging histories of diagenetic traps in the Junggar Basin

Jianguo Pan, Guodong Wang, Yongqiang Qu, Wen Qi, Lu Yin, Duonian Xu, Tuanyu Teng, Bin Wang, Kaijun Tan, and Linjun Huang

AAPG Bulletin

... of the Zoeppritz equations: Geophysics, v. 50, no. 4, p. 609–614, doi:10.1190/1.1441936. Surdam, R. C., S. W. Boese, and L. J. Crossey, 1984...

Time Lapse Feasibility Seismic Study of Gas Carbonates Reservoir in Tetra Field, Indonesia

Helmi Indrajaya, Boris Gurevich, Maxim Lebedev, Sigit Sukmono

Indonesian Petroleum Association

... as a function of angles is presented by Zoeppritz equation. Because the Zoeppritz equation gives the relation between amplitude and various physical...

Abstract: Azimuthal Fourier Coefficients: A Simple Method to Estimate Fracture Parameters; #90174 (2014)

Jon Downton and Benjamin Roure

Search and Discovery.com

..., Fourier transforms and some of their properties are reviewed. The Shaw and Sen (2006) linearized Zoeppritz azimuthal reflectivity, parameterized in terms...