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The AAPG/Datapages Combined Publications Database
Showing 20,860 Results. Searched 200,691 documents.
Improved approach for the suppression of interbed multiples related with coal strata in the Junggar Basin
Yang Huidong, Li Daoshan, Gong Ting, Lv Yongchang, Miao Yanshu, Zhang Boen
International Meeting for Applied Geoscience and Energy (IMAGE)
... Annual International Meeting, SEG, Expanded Abstracts, 3229–3233, doi: https://doi.org/10.1190/segam2020-3426149.1. Jakubowicz, H., 1998, Wave equation...
2024
Mapping Rock-Property Changes and Fluid Migration Due to Hydraulic Fracturing
Jyoti Behura
Unconventional Resources Technology Conference (URTEC)
...- and S-wave arrivals through the following equation: tS − tP = D 1 1 − VS VP = D (SS − SP ) , (1) where tS and tP are the picked S- and P-wave...
2020
Modeling of scattering losses using energy transport
Manuel Alejandro Jaimes Caballero, Roel Snieder
International Meeting for Applied Geoscience and Energy (IMAGE)
... the compensation to the rest of the data set. The second approach consists on forward modeling of the attenuated wavefield via the wave equation...
2022
Mudstone Geophysical Properties for Pressure Prediction
Dan Ebrom
GCAGS Transactions
... geophysical properties to start with are total porosity (or equivalently, density), P-wave velocity, and S-wave velocity. Earlier model...
2008
Abstracts: The Conventional and Non-conventional Seismic Differencing; #90173 (2015)
Vanja Vracar and Robert J. Ferguson
Search and Discovery.com
... components: , where and , are the reference and perturbation slowness. The reference slowness is the mean of . Thus the homogeneous wave equation...
2015
Analysis of Geotechnical Parameters from Geophysical Information; #70254 (2017)
O. O. Adewoyin, E. O. Joshua, M. L. Akinyemi, M. Omeje, E. S. Joel, O. T. Kayode
Search and Discovery.com
... bearing capacity was plotted against the primary wave velocity (Figure 4) and the correlation equation is given as q f 1 10 7 V p 0.0009V p 8...
2017
Wave-Dominated Shelves: A Model of Sand-Ridge Formation by Progressive, Infragravity Waves
B. Boczar-Karakiewicz, J. L. Bona
CSPG Special Publications
... it that for all τ ≧0. A more general specification of the incoming wave than that appearing in equation (9) is possible even within the confines...
1986
Abstract: Lamb Waves Recorded in Microseismic Monitoring Wellbores; #90174 (2014)
Andy St-Onge
Search and Discovery.com
..., or the cement (Raggio, et. al., 2007). The P wave can also be transmitted within the fluid within the wellbore. There are many types of surface waves...
2014
The Initiation of Oscillatory Ripple Marks and the Development of Plane-bed at High Shear Stresses Under Waves
Paul D. Komar, Martin C. Miller
Journal of Sedimentary Research (SEPM)
... to smaller stress values as a number of ripple occurrences would otherwise fall below the threshold curve. As the stress of the wave orbital motion...
1975
Basin-Filling Models: Chapter 9
Charles L. Angevine, Paul L. Heller, Chris Paola
AAPG Special Volumes
... systems, major additional independent variables include the wave climate, distribution of wind-driven currents, eustatic sea level, and the various...
1990
Abstract: Azimuthal Simultaneous Elastic Inversion; #90172 (2014)
Jon Downton, Benjamin Roure
Search and Discovery.com
...- and anglelimited seismic traces are modeled using the anisotropic Zoeppritz equation to generate equivalent reflectivity volumes which are then convolved...
2014
Interpretation of first-arrival times of borehole acoustic measurements acquired in high-angle wells using 3D eikonal numerical simulations
Feiyue Xia, Carlos Torres-Verdín
International Meeting for Applied Geoscience and Energy (IMAGE)
... is a high-frequency approximate solution to the elastodynamic wave equation assuming that the wavelength is larger than the heterogeneity (Červený, 2001...
2024
Reflection waveform inversion assisted by full-wavefield imaging
Mikhail Davydenko, Eric Verschuur
International Meeting for Applied Geoscience and Energy (IMAGE)
... 2014b), both based on a one-way wave equation, and translate this concept to a two-way wave equation framework. A similar approach has been introduced...
2022
Abstract: The Application of The Nearly Optimal Sponge Boundary Conditions for Seismic Wave Propagation in Poroelastic Media; #90171 (2013)
Jingyi Chen and Ralph Phillip Bording
Search and Discovery.com
... the Biot/Squirt theory to include the solid/fluid coupling anisotropy and develop a general 3D poroelastic wave equation in time domain including both...
2013
Abstract: The Application of The Nearly Optimal Sponge Boundary Conditions for Seismic Wave Propagation in Poroelastic Media; #90171 (2013)
Jingyi Chen and Ralph Phillip Bording
Search and Discovery.com
... the Biot/Squirt theory to include the solid/fluid coupling anisotropy and develop a general 3D poroelastic wave equation in time domain including both...
2013
Broadband Seismic Technology and Beyond: Part III: The Interaction between Ocean Waves and Recorded Seismic Data
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... decreases wave number. From the dispersion equation we can estimate as the wind velocity increases. the period of a sinusoidal ocean wave...
2013
A Semi-analytical Solution of the Induced Stress Change in a Layered Reservoir Based on the Stress Formulation
Shihao Wang, Yanbin Zhang, Ouassim Khebzegga, Bin Wang, Zhe Liu, Xian-Huan Wen
Unconventional Resources Technology Conference (URTEC)
... rocks. We apply Fourier’s transform to the governing hydromechanical equation and enforce continuity conditions on the interfaces between neighboring...
2022
Transformation of Resistivity to Pseudovelocity Logs
Albert J. Rudman , Joseph F. Whaley , Robert F. Blakely , Maurice E. Biggs
AAPG Bulletin
...^prime for an elastic wave to travel through a porous medium (Wylie, 1957, p. 115) depends on porosity according to the theoretical relation EQUATION (3...
1975
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
... in seismograms, used for FWI which employs full wave equation modelling especially for area as complex as Marmousi and the Valhall oil field...
2022
Time-lapse FWI prediction of CO2 saturation and pore pressure
Qi Hu, Kristopher Innanen
International Meeting for Applied Geoscience and Energy (IMAGE)
... a complete rock physics workflow combing the modified Macbeth’s relation and Gassmann’s equation to predict elastic properties as a function...
2023
Robust multichannel prestack AVA inversion based on elastic L1/2 norm
Nanying Lan
International Meeting for Applied Geoscience and Energy (IMAGE)
...1 is the model parameter consisting of the logarithm of P-wave impedance, S-wave impedance, and density. For the case of multiple CDP, equation 6 can...
2023
Abstract: Determination of AVO Attributes for Hydrocarbon Resources Region of Malay Basin: The Fluid Factors (Geophysics Paper 4)
T. L. Goh, Uzir Alimat, Shaidin Arshad, M. Izzuljad Ahmad Fuad
Geological Society of Malaysia (GSM)
... equation (Castagna et al. 1985), Vp=1.16Vs+1360 and Gardner’s relation (Gardner el al.1974), Δ=0.23Vp0.25 and was developed based on brine saturated...
2011
3D velocity model building based upon hybrid neural network
Herurisa Rusmanugroho, Junxiao Li, M. Daniel Davis Muhammed, Jian Sun
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The wave equation is written in terms of the second-order finite difference solution, p (r,t + ∆t) = c (r)2 ∆t 2 ∇2 p (r,t) + f (r,t) δ (r − rs ) +2p (r...
2022
Sequential Stage Development of Crescentic Bars: Hahoterim Beach, Southeastern Mediterranean
Victor Goldsmith, Dan Bowman, Kevin Kiley
Journal of Sedimentary Research (SEPM)
... or crescentic shore-attached or detached bars of both outer and nested inner systems were delineated at HaHoterim beach, northern Israel. The concomitant wave...
1982
A new double-difference earthquake relocation algorithm for models with complex velocity structure
Xinding Fang, Siwei Li, Zhixiang Zhang, Tianrun Chen, Yingcai Zheng
International Meeting for Applied Geoscience and Energy (IMAGE)
... events) that minimize the cost function of equation (5) and then use grid search to search for a global offset for all We perform elastic full-wave...
2024