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The AAPG/Datapages Combined Publications Database
Showing 149 Results. Searched 195,364 documents.
Abstracts: A Decomposition of RP into Contributions from single-parameter Reflectivities; #90173 (2015)
Kristopher A. Innanen
Search and Discovery.com
... In AVO/AVA inversion, a linearized form of the Zoeppritz equations known as the Aki-Richards approximation and variants are used to model RP...
2015
Abstract: A Novel Pre-Stack Inversion Technique Investigating a Carbonate Reservoir’s Rock Properties, by Michael Fleming, Sarah Corrie, Gary Yu, and Gary Perry; #90077 (2008)
Search and Discovery.com
2008
Acoustic modelling with elastic AVA effects
Robin P. Fletcher, James Hobro, James Rickett
International Meeting for Applied Geoscience and Energy (IMAGE)
... reflection coefficient equation (Aki & Richards, 1980). Denoting shear wave velocity as 𝑉 𝑆 , this equation can be written as: 𝑅 𝑃𝑃 (𝜃) = (1 − 4...
2023
Spherical-Wave Computational AVO Modelling in Elastic and Anelastic Isotropic Two-Layer Media; #41564 (2015)
Arnim B. Haase, Charles P. Ursenbach
Search and Discovery.com
...-reflections in terms of potentials Φ (Equation 1) and Ψ (Equation 2): [Notation is similar to Aki and Richards (1980).] Reflections from an elastic interface...
2015
ABSTRACT: Petrophysical Attribute Evaluation and Anisotropic AVO Modeling in the Chad Basin, NE, Nigeria, by Adeagbo, Oloruntoba J.; Adepelumi, Adekunle A. ; #90142 (2012)
Search and Discovery.com
2012
Abstract: The Application of Rock Physics and Pre-Stack AVO Analysis for Gas Identification in Deepwater Sediments, Rakhine Bain, offshore Myanmar, by Zuo, Guoping; #90163 (2013)
Search and Discovery.com
2013
Abstract: AVO Depth Modelling (Paper 2)
Leong Lap Sau, Ng Tong San
Geological Society of Malaysia (GSM)
... case are found in Aki and Richards, pg. 153 and in Smith and Gidlow, pg 994. For weakly anisotropic reflections, Thomsen's equation 10 provides a very...
1996
Anisotropic 3D Amplitude Variation with Azimuth (AVAZ) Methods to Detect Fracture-Prone Zones in Tight Gas Resource Plays, #41531 (2015).
Bill Goodway, John Varsek, Christian Abaco
Search and Discovery.com
...’s Equation Inversion for P-wave anisotropy follows from isotropic AVO by utilizing Ruger’s anisotropic reformulation of the Aki and Richards linearized...
2015
Rock Physics Inversion: A Montney Case Study, #41295 (2014)
James Johnson, Lisa Holmstrom, Satwant Diocee, Rob Tilson, Sean Johnson
Search and Discovery.com
... w(t) represents the wavelets, and r the reflectivity calculated from the Zp ‘s using Aki and Richards approximation to Zoeppritz equation (Aki...
2014
Abstract: Case Study: SAGD Steam Flood Project Using Simultaneous Inversion of Pre-Stack Seismic Data
Arcangelo Sena
GCAGS Transactions
...: that the linearized approximation for reflectivity holds, that PP and PS reflectivity as a function of angle can be given by the Aki-Richards equations...
2006
Sonic Log Analysis from Isotropic and Anisotropic Media In Carbonate Reservoir, the Case Study at Stella Alpina Field
Wahyu Tri Sutrisno, Septian Prahastudhi, Ari Teguh Sugiarto, Ayi Syaeful Bahri, Dwa Desa Warnana, Yulia Putri Wulandari
Indonesian Petroleum Association
... isotropic and anisotropic media by using the fluid replacement model. Then, we created a synthetic model using Aki & Richards, 1980 and Zoeppritz, 1919...
2014
Reservoir Characterisation Through Integrated AVO, AI and EI Inversion
Andy Furniss
Indonesian Petroleum Association
... respectively. The Aki and Richards equation includes higher order terms and is consequently a more accurate estimate of the Zoeppritz response beyond 30 degrees...
2002
AVO Modeling of Monochromatic Spherical Waves: Comparison to Band-Limited Waves; #41567 (2015)
Charles Ursenbach, Arnim Haase
Search and Discovery.com
... to equation 6.30 of Aki and Richards (1980), the monochromatic potential for a reflected spherical wave may be written as (2) where φ(ω...
2015
Abstract: A Simple Way to Improve AVO Approximations; #90211 (2015)
Charles Ursenbach
Search and Discovery.com
... that the average angle, θ = (θ1 + θ 2 ) / 2 , in the Aki-Richards approximation could itself be approximated by the angle of incidence, θ1 . Numerical...
2015
Extended Elastic Impedance (EEI) Approach for Telisa Sandstones Reservoir Characterization Case Study: Lambda-Mu-Rho (LMR) Analysis
Antoni Bahar MH, Ari Setiawan, Syahrial Rakimi, Yudi Yanto
Indonesian Petroleum Association
... from a linearization of the Zoeppritz equations, usually Aki & Richards’s two-term approximation (Aki and Richards, 1980) where AVO properties...
2007
P-Wave Impedance, S-Wave Impedance and Density from Linear AVO Inversion: Application to a VSP Data from Alberta
Faranak Mahmoudian
Search and Discovery.com
... and transmission coefficients. The Aki-Richards (1980) linear approximations for PP and PS reflection coefficients, RPP and RPS , can be formulated...
Unknown
P-Wave Impedance, S-Wave Impedance and Density from Linear AVO Inversion: Application to a VSP Data from Alberta
Faranak Mahmoudian
Search and Discovery.com
... and transmission coefficients. The Aki-Richards (1980) linear approximations for PP and PS reflection coefficients, RPP and RPS , can be formulated...
Unknown
An Empirical Study of the Generalized Fluid Method for Hydrocarbon Discrimination
Search and Discovery.com
.... For the first category, Aki and Richards equation emphasized the contribution of variations in the P- and S-wave velocities and density. A reformulation...
2013
Abstract: Macro-velocity Model Building in a Laplace-domain Waveform Inversion; #90174 (2014)
Changsoo Shin and Wansoo Ha
Search and Discovery.com
... constant (Shin and Cha, 2008). Laplace-domain Green’s functions We review Cagniard deHoop’s method (Aki and Richards, 2002) to solve the scalar wave...
2014
Damped least squares-based deterministic PP wave and SH-SH wave joint inversion method
Ying Lin, Guangzhi Zhang, Baoli Wang, Siyuan Chen, Minmin Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
...-Richards (1980) approximated the Zoeppritz equation as a function of P-wave velocity, S-wave velocity and density under the assumption that the elastic...
2023
Integrated Seismic Attributes and AVO Analysis in the Faults and Hydrocarbon Leakage Extraction
Ragil Destriawan Prasetyo, Dicky Harishidayat
Indonesian Petroleum Association
... on seismic data, the Aki-Richards (1980) equation is conducted. AkiRichards equation is a linearized approximation to the Zoeppritz equations. The origin...
2019
Abstract: AVO Theory for Large Contrast Elastic and Anelastic Targets in Pre-Critical Regimes; #90187 (2014)
Kris Innanen
Search and Discovery.com
... [email protected], Summary Interpretable, easy-to-calculate corrective terms are added to first order (i.e., Aki-Richards type) approximate solutions...
2014
Abstract: Rock Physics Inversion: A Montney Case Study; #90174 (2014)
James Johnson, Lisa Holmstrom, Satwant Diocee, Rob Tilson, and Sean Johnson
Search and Discovery.com
... is based on the Aki and Richards linear approximation to the Zoeprittz equations (Aki and Richards, 1980). The inversion is carried out simultaneously...
2014
Designing Coal-Bed Methane Seismic Acquisition Survey Parameters Using Finite Difference Modeling
Abdul Haris, Befriko Murdianto, Adriansyah
Indonesian Petroleum Association
... coefficients are of great importance in practical AVO analysis (Bortfeld, 1961; Aki and Richards, (2) 1980; Shuey, 1985). The most general...
2009
Impact of Seismic Attenuation on Downhole Microseismic Moment Tensor Inversion
Donghong Pei, Natalia Verkhovtseva, Jon Doucette, Price Stark
Unconventional Resources Technology Conference (URTEC)
... process for the specific travel time t can be obtained as (Aki and Richards 2002). A( f ) e ft Q (1) URTeC: 2452268 3 where A represents...
2016