Abstract: Wormhole Forward Modeling and Seismic Responses; #90187 (2014)

Xiaoqin Cui, Laurence R. Lines, Edward S. Krebes, and Joan Embleton

Search and Discovery.com

... (Schoenberg, 1980) and generalized homogeneous finite difference approach (Korn and Stockl, 1982) with the fracture parameters to model the wormholes...

High Performance Computation by Graphics Processor Unit Technology for Geophysical Seismic Signal Processing, #40727 (2011)

Sunjay Sunjay

Search and Discovery.com

... of Common-Azimuth Data: Geophysics, v. 61/6, p. 1822-1832. Ristow, D., and T. Ruhl, 1994, Fourier Finite-Difference Migration: Geophysics v. 59/12, p...

Acoustic nonlinear full-waveform inversion on an outcrop-based detailed geological and petrophysical model (Book Cliffs, Utah)

Daria Tetyukhina, Stefan M. Luthi, Dries Gisolf

AAPG Bulletin

...-waveform inversion uses the full seismic data spectrum and, in addition, instead of using the finite difference frequency domain propagator...

Thrust Faulting and Hydrocarbon Generation: REPLY

Janell D. Edman , Kevin P. Furlong

AAPG Bulletin

... and erosional histories, we used a finite-difference numerical model to calculate the thermal and maturation trajectories at two of their three modeling...

Finding the reservoir in an intensely scattered wavefield: A case study from the Central Sichuan Basin, China

John Coffin, Mengmeng Zhang, Panos Doulgeris, Peter Haffinger, Angie Kelsay, Jinsong Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... in a step-wise manner. This is a significant benefit over a finite-difference scheme where you will only be able to observe the final solution. We...

Cross-Well Seismology: A New Production Tool

B. N. P. Paulsson, R. T. Langan

Indonesian Petroleum Association

... model based upon a producing field in the Southern San Joaquin Valley (USA). A finite difference solution to the acoustic wave equation was used...

An immersed absorbing boundary condition for scalar wavefield modeling under topography

KeJi Chen, Hanming Chen, Hui Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

... that needs be considered in finite-difference (FD) numerical simulations of seismic waves. To avoid the artificial edge reflections from the irregular...

Uncertainty quantification of full-waveform inversion with adaptive MCMC method

Shuhua Hu, Zeyu Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

... finite difference (FDFD) solver. Numerical results using synthetic Marmousi model demonstrate the correctness of our method. By introducing...

Estimating subsurface geostatistical parameters from surface-based GPR reflection data using a deep-learning approach

Yu Liu, James Irving, Klaus Holliger

International Meeting for Applied Geoscience and Energy (IMAGE)

... in applied geophysics. Tests on a wide range of realistic synthetic GPR data generated using a finite-difference timedomain (FDTD) solution of Maxwell...

Seismic Technologies for Unconventional Reservoir Characterization: Wamsutter Field Case Study; #110159 (2011)

Rosemarie Geetan, Brian Hornby, Ricko Wardhana

Search and Discovery.com

... receivers so every Rx recorded every shot – final survey design included >8000 Rx and >7000 shots 5 Survey Design: 3D VSP Finite Difference Modeling...

Stop 1a: Coastal Geomorphology of Dauphin Island

Eugene Wilson

Alabama Geological Society

... Sciences 19, 2114-2125. McDonald MG and Harbaugh AW, 1996. A modular three-dimensional finite-difference groundwater flow mode1. Techniques of Water...

Velocity model building and imaging driven by FWI with dual-azimuth data in a complex salt environment: Brazil case study

Xu Li, Christine Gans, Young Ho Cha, Diwi Snyder, Gopal Palacharla, Vijay Gottumukkula, Yaofeng He, Hongchuan Sun, Tetyana Vdovina, Xueyi Jia, Valeriy Brytik, Inmaculada Dura-Gomez

International Meeting for Applied Geoscience and Energy (IMAGE)

..., then 3.5Hz, and 5.5Hz, to minimize the cycle skipping effect. An elastic finite difference engine was used for FWI in this project, rather than...

Fast Gauss-Newton full-wavefield migration

Siamak Abolhassani, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

...-equation migration, notable among which are Claerbout (1971) and Claerbout and Doherty (1972) for developing oneway finite-difference migration...

Abstract: Enhanced Surface Seismic Data Processing Using Simultaneous Acquired DAS-VSP Data; #91204 (2023)

Gang Yu, Jinliang Xiong, Junjun Wu, Yuanzhong Chen, Yingshui Zhao

Search and Discovery.com

... and Geosciences Show amplifying finite-difference wavefield extrapolation that compensated for the attenuating propagation of the wavefields in the real...

Statistical depth imaging through complex cluttered near-surface with path summation

Andrey Bakulin, Ilya Silvestrov, Maxim Protasov

International Meeting for Applied Geoscience and Energy (IMAGE)

... for imaging is generated by computing zero-offset seismic data via acoustic finite-difference modeling based on exploding reflector concept (Figure...

GeoConvention 2014; - Abstracts, #90224 (2015).

Search and Discovery.com

Comparison between the Different Approaches of Secondary and Tertiary Hydrocarbon Migration Modeling in Basin Simulators

Sylvie Pegaz-Fiornet, Bernard Carpentier, Anthony Michel, Sylvie Wolf

AAPG Special Volumes

... difference, finite element, or finite volume methods are used for the spatial discretization. Various time schemes are also used for the transport...

Supercomputers for Beginners: PART III: GPU-Accelerated Computing

Lasse Amundsen, Martin Landrø, Børge Arntsen

GEO ExPro Magazine

... a finite-difference approximation of the wave equation, the source wavefield is modelled forward in time whereas the wavefield measured at the receivers...

Numerical Modeling of 1D Anomalous Diffusion in Unconventional Wells Using a Nonuniform Mesh

Ralf Holy, Erdal Ozkan

Unconventional Resources Technology Conference (URTEC)

... uses a nonuniform temporal and spatial finite-difference formulation and permits overcoming computational limitations related to the nonlocal space...

Modeling-based amplitude recovery (MBAR)

Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church

International Meeting for Applied Geoscience and Energy (IMAGE)

... 𝐷 𝑠𝑦𝑛 (𝒔, 𝒓; 𝑡) for each source 𝒔 by applying a finite-difference (FD) solver twice, once using the background model 𝑚 𝑏𝑔 , once using the perturbed model...

Application of phase stabilization Q migration in comprehensive evaluation and identification of tight-reservoir

Yi Bao, Hai-Bo Zhao, Xu Liu, Xiao-Wei Guan, Xin-Yue Song, Cheng Wang, Zai-Jin Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

...) solves the eikonal equation using a new finite difference scheme in the traditional FMM.    r    ( rE )  1 v ( x , y , z ) ( x  xs ) 2  ( y...

Localized wavefield inversion (LWI): An adaptation of multi-block ADMM for localized FWI

Hossein S. Aghamiry, Ali Gholami, Stephane Operto, Alison Malcolm

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Application of the finite-difference contrast-source inversion algorithm to seismic full-waveform data: Geophysics, 74, no. 6, WCC47–WCC58, doi: https...

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Ehsan, Athar

Search and Discovery.com

...) absorbing boundary conditions was adopted to absorb spurious reflections from the boundaries. We used the optimal finite difference method...

Abstract: 3D Time Domain Full Waveform Inversion Based on Multiscale Adapted Variable Grid Method Case Study Majunga Basin East African Coast; #91204 (2023)

Mukiibi Ssewannyaga Ivan, Jian-Ping Huang, Zi-Ying Wang, Jidong Yang, Jin Keji

Search and Discovery.com

... the boundaries. We used the optimal finite difference method with accuracy of 𝑂(∆𝑡 2 , ∆𝑥 8 ) as time-domain modeling operator. In order...

Surface Modeling for Sedimentary Basin Simulation: Chapter 8

John C. Tipper

AAPG Special Volumes

... basin. Triangle-based interpolation is first used to specify the initial conditions for the simulation, and then a triangle-based finite-difference...