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The AAPG/Datapages Combined Publications Database

Showing 63 Results. Searched 195,354 documents.

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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

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

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

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

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

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

Understanding Field Performance of Hydraulically Fractured Wells: Comparison of Pressure Front Versus Tracer Front Propagation Using the Fast Marching Method (FMM) and Complex Analysis Method (CAM)

Kiran Nandlal, Chen Li, Ching-Hsien Liu, Venkata Bala Krishnateja Chavali, Michael J. King, Ruud Weijermars

Unconventional Resources Technology Conference (URTEC)

... “asymptotic pressure approximation” based on the diffusive time-of-flight (DTOF), which is calculated by solving the Eikonal equation using a front-tracking...

2020

Time-Lapse Seismic Monitoring of Individual Hydraulic Frac Stages Using a Downhole Distributed Acoustic Sensing Array

Gary Binder, Aleksei Titov, Diana Tamayo, James Simmons, Ali Tura, Grant Byerley, David Monk

Unconventional Resources Technology Conference (URTEC)

...el can be calculated using a P-wave eikonal equation solver for 2D transverse isotropic media described by Han et al., 2017. As shown in Fig. ...

2019

Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps

John C. Bancroft

Search and Discovery.com

... solution to the eikonal equation. This method assumes plane waves and produces significant errors when the radius of curvature of the wavefront...

Unknown

Traveltime Computations for Locating the Source of Micro Seismic Events and for Forming Gridded Traveltime Maps

John C. Bancroft

Search and Discovery.com

... solution to the eikonal equation. This method assumes plane waves and produces significant errors when the radius of curvature of the wavefront...

Unknown

Abstract: Application of Acoustic Waveform Tomography to Marine Seismic Reflection Data Contaminated with Strong Guided Waves; #90187 (2014)

Rajesh Vayavur and Andrew. J. Calvert

Search and Discovery.com

... first arrival tomography code of Aldridge and Oldenburg (1993), which is based on a finite difference solution of the eikonal equation to derive...

2014

Reservoir and Fracture Flow Characterization Using a Novel ω(τ) Formulation

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

Unconventional Resources Technology Conference (URTEC)

... in unconventional reservoirs. The asymptotic analysis leads to the Eikonal equation that describes the evolution of the drainage volume accounting...

2016

Multi-resolution Coupled Flow and Geomechanics Modeling Using Fast Marching Method

Kazuyuki Terada, Hongquan Chen, Akhil Datta-Gupta, Atsushi Iino

Unconventional Resources Technology Conference (URTEC)

... of the propagating pressure front that can be efficiently computed by solving the Eikonal equation using FMM. Our proposed approach solves both flow...

2023

Abstract: Influence of Error in Estimating Anisotropic Parameters on VTI Depth Imaging; #90255 (2017)

S. Y. Moussavi Alashloo, D. P. Ghosh, W. Y. Wan Ismail

Search and Discovery.com

... such as sparse data acquisition, erroneous data with low signal to noise ratio, etc. In this study, a fast marching eikonal solver is employed...

2017

Abstract: Regime Rays: Visualizing the Fermat/Snell Loci in Homogeneous Anisotropic Media; #90171 (2013)

William J. Vetter

Search and Discovery.com

... from overlooked extra prescribed directions/progression-speeds detail in sequenced moderelevant eikonal equations, relevant for FS-rays for given...

2013

Abstract: Tomography of a Velocity Modeland Location of Microseismic Events with P, Sv and Sh Waves; #90224 (2015)

Malgorzata Chmiel and Thomas Bardainne

Search and Discovery.com

... analytical and numerical modules (time 3 D - based on the 3D eikonal equation developed by Podvin and Lecomte (1991) and an anisotropic ray tracer...

2015

Stacking common-image gathers via the flatten-illumination-similarity method

Chengliang Wu, Huazhong Wang, Bo Feng, Chao Ning, Xianggong Tang

International Meeting for Applied Geoscience and Energy (IMAGE)

... using eikonal equation traveltimes: Geophysics, 59, 810–817, doi: https://doi.org/10.1190/1 .1443639. Guitton, A., 2017, Fast 3D least-squares RTM...

2023

Sediment Accumulation Rates For the Mississippi Delta Region: a Time-interval Synthesis

Chris Jenkins

Journal of Sedimentary Research (SEPM)

.../Halflife [Accessed September 17, 2016]. Wikipedia contributors, 2016, Eikonal equation: Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki...

2018

Rapid Refracturing Candidate Selection in Shale Reservoirs Using Drainage Volume and Instantaneous Recovery Ratio

Changdong Yang, Xu Xue, Jixiang Huang, Akhil Datta-Gupta, Michael J. King

Unconventional Resources Technology Conference (URTEC)

... the asymptotic (high frequency) limit of the diffusivity equation for the impulse pressure solution and requires solution of the Eikonal equation...

2016

Simultaneous Joint Inversion of Seismic, Magnetotelluric and Gravity in a Sub-Volcanic Reservoir

Muhammad Irsyad Hibatullah, Maulana hutama Rahma Putra, Firman Syaifuddin Akbar, Dwa Desa Warnana, Fahrenzy Yona Aisha

Indonesian Petroleum Association

... on the Faust equation (1) (Faust, 1951) and Density parameters using the Gardner equation (2) (Gardner, Gardner and Gregory, 1974...

2019

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