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

Wenbin Tian, Yang Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... solutions for the remaining time steps. Numerical examples provide evidence that U-FNO can successfully solve the fractional viscoacoustic wave equation...

The emergence and impact of scientific machine learning in geophysical exploration

Umair bin Waheed

International Meeting for Applied Geoscience and Energy (IMAGE)

... to solve more complex forms of the eikonal equation. Similarly, Alkhalifah et al. (2021) showed how PINNs can be used to solve the wave equation...

Quantitative seismic interpretations to detect biogenic gas accumulations: a case study from Qaidam Basin, China

Yexin Liu, Zhuoheng Chen, Liqun Wang, Yongshu Zhang, Zhiqiang Liu, Yanhua Shuai

CSPG Bulletin

... functions. Based on the Elastic Impedance functions the Interior-Point algorithm can be used to solve equations [7], [8] and [9] to get the P-velocity...

Pyseis: A high-performance, user-friendly Python package for GPU-accelerated seismic modeling and subsurface imaging

Stuart Farris, Guillaume Barnier, Ettore Biondi, Robert Clapp

International Meeting for Applied Geoscience and Energy (IMAGE)

... capability of GPUs to solve the wave equations with high efficiency. These CUDA kernels are designed to optimize the GPU’s memory hierarchy, which leads...

Analysis of the Wavefields Around the Borehole During Acoustoelectric Logging

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The Developing Role of Analysis in the Design of Floating Production Systems

D. B. Melver, D. Cash

Indonesian Petroleum Association

... force compoenents involved and the resulting form of the equations of motion, rather than in the development of more realistic wave load models. What...

Target-oriented wavefield calculation using Recursive Patched Green Functions

Edwin Fagua Duarte, Janaina Schwarzrock, Danyelle da Silva, Joao Medeiros de Araujo, Mauro Ferreira

International Meeting for Applied Geoscience and Energy (IMAGE)

..., widely used in quantum mechanics. The wavefield calculated at the target and receivers is numerically equivalent to obtained with wave propagation...

AVO Modeling of Monochromatic Spherical Waves: Comparison to Band-Limited Waves; #41567 (2015)

Charles Ursenbach, Arnim Haase

Search and Discovery.com

... calculations in terms of weighting functions, as in equations 1 and 3, provides insight into spherical-wave calculations for different types of wavelets...

Seismic signatures of pore fluid mobility in heterogeneous reservoirs

Qiuzi Li, Brent Wheelock, Tuan Tran, Fadil Santosa

International Meeting for Applied Geoscience and Energy (IMAGE)

...ng viscoelastic wave phenomenon by homogenisation of the poroelasticity equations: European Journal of Applied Mathematics, 32, 846–864, doi: https://doi.o...

Distinguishing Water Saturation Changes from Porosity or Clay Content Changes Using Multicomponent Seismic Data

Fuping Zhu, Richard L. Gibson, Jr., Joel S. Watkins, Sung H. Yuh

GCAGS Transactions

... and density of the sand are computed as functions of water saturation from the Gassmann's and the volume average equations. The results are shown in Fig...

Detectability Enhancement Toward High Resistive Target With Synthetic Aperture Source for 3-D Marine CSEM Data Modeling at the Rugged Seafloor

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Improving total organic carbon estimation for unconventional shale reservoirs using Shapley value regression and deep machine learning methods

Jaewook Lee, David E. Lumley, and Un Young Lim

AAPG Bulletin

... parameters to characterize the organic richness of unconventional shale reservoirs and identify shale production sweet spots. We have used traditional...

PINNslope: Physics-informed neural network slope prediction and interpolation with positional encoding

Francesco Brandolin, Matteo Ravasi, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Claerbout’s plane-wave assumption is utilized along with a neural network framework to solve seismic interpolation problems. Specifically, we aim...

Analysis of Water-Level Rise Effects on Littoral Transport

C. R. Berquist , W. F Tanner

GCAGS Transactions

... the littoral transport potential? The original program (May and Tanner, 1973; May, 1974) required as input: wave period, wave height, wave approach...

The Limitations of Seismic Modelling of Geological Structures

B. L. N. Kennett

Petroleum Exploration Society of Australia (PESA)

... are available for studying seismic wave propagation. We shall discuss here briefly the ways in which some of these techniques can be used in the context...

Advanced Caliper Processing for Early Detection of Casing Problems

Barry Nicholson

Indonesian Petroleum Association

... the calipers are, to some extent, unknown, derived equations are non-linear functions of the parameters, and curve fitting routines in these conditions can...

Shale brittleness prediction using machine learning—A Middle East basin case study

Ayyaz Mustafa, Zeeshan Tariq, Abdulazeez Abdulraheem, Mohamed Mahmoud, Shams Kalam, and Rizwan Ahmed Khan

AAPG Bulletin

... algorithms, and transfer functions and finally provides the required predicted value. This study used the FFANN model to solve the prediction problem...

Abstract: Improving the efficiency of the Forward Problem Solver for 3D resistivity modeling

Gregory Nash

Atlantic Geology

... this problem, a computer needs to solve a large system of equations in the form of the classic matrix equation: Ax=b, where A is sparse and there are multiple...

Simulation of the Seismic Records (DAS) in a Borehole Throughout CO2 Storage Procedures

José Pulido, Yiyu Ni

Unconventional Resources Technology Conference (URTEC)

... element mesh. For example, it can be specified that the waves reflect or absorb on the walls of the well. Solving wave equations: In this step, wave...

Application of Convective-Diffusion Models to Diagenetic Processes

James R. Wood, Ronald C. Surdam

Special Publications of SEPM

... by combining the equations describing chemical reaction with those governing mass transfer This approach leads to a set of differential equations...

Subsurface Characterizaton Using Microseismic Velocity, Attenuation, and Ansiotrophy Tomography in a Geothermal Field

Ahmad Syahputra, Andri Dian Nugraha, Rachmat Sule, Sri Widiyantoro

Indonesian Petroleum Association

... production and injection. A non-linear approach was used to solve delay time tomography. This enabled extension of the study to generate attenuation...

Surface Modeling for Sedimentary Basin Simulation: Chapter 8

John C. Tipper

AAPG Special Volumes

... to the model's success, for not only does it (1) allow the finite-difference technique to be used to solve the potential flow equations, and (2) permit...

Wave Modeling and Hydrodynamics

J. Ian Collins

Special Publications of SEPM

... which water special the Equations 49 are normal only set up wave because functions of the incident are continuity the satisfied...

Not Accounting for a Potential Water Hammer Pressure Surge in Shale Stimulation Designs Can Increase Your Over-Pressure Risk

Stan Stephenson, Joe Beisel, Brad Bull

Unconventional Resources Technology Conference (URTEC)

... reflected wave can be worse than the first. Theory Water-hammer: To solve for the water-hammer pressure, the kinetic energy equation is set equal...

Multi-Component Characterization of Carbonate Reservoirs

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