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The AAPG/Datapages Combined Publications Database

Showing 94 Results. Searched 200,357 documents.

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The emergence and impact of scientific machine learning in geophysical exploration

Umair bin Waheed

International Meeting for Applied Geoscience and Energy (IMAGE)

... as a forward solver for the eikonal equation and the wave equation. For example, Waheed et al. (2020) and Smith et al. (2020) showed how PINNs could be used...

2023

Slope estimation of locally coherent events by polarization analysis of multi-component seismic data: Application to stereotomography for sparse node acquisition

Xiaole Zhou, Alessandra Ribodetti, Stephane Operto

International Meeting for Applied Geoscience and Energy (IMAGE)

...∆s Equations 2-3 represent the eikonal equation with injections points at xs and xr . Equations 4-5 represent the focusing equations where the unknowns...

2024

Amplitude and Bandwidth Recovery Beneath Gas Zones Using Kirchhoff Prestack Depth Q-Migration

Jonathan Liu, Peter Traynin, J. M. Reilly

Indonesian Petroleum Association

... traveltime methods (ray tracing or eikonal solver) in an acoustic medium. The second term in equation (2) permits migration to compensate for amplitude loss...

2007

Well Performance and Completion Efficiency Assessment in the Delaware Basin using the Diffusive Time of Flight

Jaeyoung Park, Yuxing Ben, Vivek Muralidharan

Unconventional Resources Technology Conference (URTEC)

... (after Iino et al. (2017)) The high-frequency asymptotic solution leads to the diffusivity equation and to the Eikonal equation (Vasco et al. 2000...

2021

A Novel Approach for Production Transient Analysis of Shale Gas/Oil Reservoirs

Changdong Yang, Vishal Sharma, Akhil Datta-Gupta, Michael J. King

Unconventional Resources Technology Conference (URTEC)

... of the diffusivity equation for the impulse pressure solution. The formulation requires the solution of the Eikonal equation for the Diffusive Time of Flight...

2015

A deep-learning workflow for weak reflection extraction in pitch-catch measurements in cased-hole

Qiang Wang, Hua Wang, Shaopeng Shi

International Meeting for Applied Geoscience and Energy (IMAGE)

... minimum travel time path by solving Eikonal equation. The shortest travel-time path is used as the TIE arrival time. In addition, a 3D visualization...

2022

Rapid Simulation Accounting For Well Interference in Unconventional Reservoirs Using Fast Marching Method

Atsushi Iino, Hye Young Jung, Tsubasa Onishi, Akhil Datta-Gupta

Unconventional Resources Technology Conference (URTEC)

... for heterogeneous reservoirs and hydraulically fractured wells. The DTOF can be efficiently computed by solving the Eikonal equation using the Fast Marching...

2020

Rapid CO2 Huff-n-Puff Simulation in Unconventional Reservoirs Using Fast Marching Method for Enhanced Oil Recovery and Carbon Storage

Sompoom Nippayaporn, Jia Fu, Chin-Hsiang Chan, Akhil Datta-Gupta

Unconventional Resources Technology Conference (URTEC)

.... Furthermore, the DTOF can be efficiently derived by solving the Eikonal equation through the FMM. The 3D flow model can be reduced to an equivalent...

2025

Abstract: Complex-beam Migration: Non-recursive and Recursive Implementations; #90187 (2014)

Tianfei Zhu

Search and Discovery.com

... of the Seismological Society of America, 72, S277-S317. Gray, S. H., and May, W.P., 1994, Kirchhoff migration using eikonal equation traveltimes...

2014

Rapid Compositional Simulation and History Matching of Shale Oil Reservoirs Using the Fast Marching Method

Atsushi Iino, Aditya Vyas, Jixiang Huang, Akhil Datta-Gupta, Yusuke Fujita, Sathish Sankaran

Unconventional Resources Technology Conference (URTEC)

... frequency asymptotic solution of the diffusivity equation in heterogeneous and fractured reservoirs. The high frequency solution leads to the Eikonal...

2017

Seismic first arrival tomography for top salt velocity update: A case study in the Santos Basin, Brazil

Paulo H. B. Alves, Marco Cetale, Roger M. Moreira, Sérgio L. E. F. da Silva, Jorge Lopez

International Meeting for Applied Geoscience and Energy (IMAGE)

... the eikonal equation, defined a ∂T ∂x 2 + ∂T ∂y 2 + ∂T ∂z 2 = s2 , (1) where T = T (x, y, z) represents the travel time function depicting...

2024

Rapid Field-Scale Well Spacing Optimization in Tight and Shale Oil Reservoirs Using Fast Marching Method

Atsushi Iino, Tsubasa Onishi, Feyi Olalotiti-Lawal, Akhil Datta-Gupta

Unconventional Resources Technology Conference (URTEC)

...) computed as solution to the Eikonal equation using the FMM. Multiphase production rates are then computed for each well by utilizing the DTOF as spatial...

2018

Abstract: Inference of 2D and 3D Locally Varying Anisotropy Fields; #90187 (2014)

Maksuda Lillah and Jeff Boisvert

Search and Discovery.com

... of initial positio is set 0; T (0 )  0 The FMM, although highly consistent and accurate in solving the Eikonal equation (3), suffer from numerical...

2014

A Fast and Robust Method for Estimating Inter-Well Interference in Shale and Tight Reservoirs

Esmail Eltahan, Ali Moinfar, Zhenzhen Wang, Matthieu Rousset, Haishan Luo, Pierre Muron, Xianhuan Wen

Unconventional Resources Technology Conference (URTEC)

... to solve the Eikonal equation efficiently to track the propagation of pressure fronts and compute DToF (Fujita 2014). The calculated DToF can be utilized...

2024

Rapid Modeling of Injection and Production Phases of Hydraulically Fractured Shale Wells Using the Fast Marching Method

Jaeyoung Park, Atsushi Iino, Akhil Datta-Gupta, Jackson Bi, Sathish Sankaran

Unconventional Resources Technology Conference (URTEC)

... on a high frequency asymptotic solution which transforms the diffusivity equation to the Eikonal equation (Vasco, Keers, and Karasaki 2000, Vasco...

2019

Data-embedded physics-informed neural network for electromagnetic wave propagation simulation: Potentials and challenges

Yawei Su, Wenyi Hu, Jiefu Chen, Aria Abubakar

International Meeting for Applied Geoscience and Energy (IMAGE)

... constraints. Bin Waheed, et al., (2021) adopted PINN for the Eikonal equation forward simulation and applied transfer learning and surrogate modeling to speed...

2024

Application of Novel Stabilized Zone Simulation and Flow Diagnostics for the Interpretation of the SRV and Assessment of Multiwell Interference

Ching-Hsien Liu, Kenta Nakajima, Michael J. King

Unconventional Resources Technology Conference (URTEC)

...). The asymptotic pressure solution leads to the Eikonal equation solved by a front-tracking algorithm called the fast marching method (FMM) (Sethian 1999...

2021

New perturbation-based traveltime approximation for elastic VTI media

Shibo Xu, Alexey Stovas, Xingguo Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... approaches using the eikonal equation, the coefficients are computed directly from the implicit parametric offset-traveltime equation. To show...

2022

Abstract: Near Surface Anomalies and Solutions; #90211 (2015)

Todd Mojesky, David LeMeur, and Ali Karagul

Search and Discovery.com

... (of the first arrivals in this case) with the generated model. A finite-difference Eikonal solver allows fast and accurate estimations of first...

2015

Field Application of a Novel Multi-resolution Multi-well Unconventional Reservoir Simulation: History Matching and Parameter Identification

Jia Fu, Hongquan Chen, Changqing Yao, Shohei Sakaida, Erich Kerr, Andrew Johnson, Akhil Datta-Gupta, Ding Zhu, A. Daniel Hill

Unconventional Resources Technology Conference (URTEC)

... the travel time of the pressure front propagating from a well. Vasco et al. (2000) derived the Eikonal equation governing the pressure front propagation...

2023

Fast viscoacoustic forward modeling method based on U-net Fourier neural operator

Wenbin Tian, Yang Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., doi: https://doi.org/10.1016/j.jcp.2019.05.024. Smith, J. D., K. Azizzadenesheli, and Z. E. Ross, 2020, Eikonet: Solving the eikonal equation...

2023

Abstracts: Determining Elastic Constants of an Orthorhombic Material by Physical Seismic Modeling; #90173 (2015)

Faranak Mahmoudian, Gary F. Margrave, P. F. Daley, and Joe Wong

Search and Discovery.com

... a reasonably accurate approximation for P-wave group velocity from the eikonal equation. They obtained an expression for P-wave group velocity...

2015

Near-surface modeling by surface wave tomography inversion in oil and gas exploration

Wen Peng, Le Li, Zhonglin Cao, Guangying Wang, Pengfei Duan, Heng Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the ray path and travel time of the single frequency surface wave component, a tomographic inversion equation can be established to obtain a nearsurface...

2024

Ultrasonic velocity tomography of rock sample

Tian Xie, Jiajia Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

...en tomography is employed, forward modeling based on the eikonal equation and the travel-time data are frequently used. Additional consideratio...

2023

Modeling Well Interference and Optimal Well Spacing in Unconventional Reservoirs Using Fast Marching Method

Jixiang Huang, Feyisayo Olalotti-Lawal, Michael J. King, Akhil Datta-Gupta

Unconventional Resources Technology Conference (URTEC)

... in unconventional reservoirs. Our proposed approach relies on the high frequency asymptotic solution of the diffusivity equation leading to the ‘Eikonal...

2017

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