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The AAPG/Datapages Combined Publications Database

Showing 2,787 Results. Searched 195,354 documents.

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Abstract: A Framework for Time-Lapse AVO when Contrasts are Large; #90187 (2014)

Shahin Jabbari and Kris Innanen

Search and Discovery.com

.... Reflection coefficients for the baseline and monitor survey are calculated by solving the Zoeppritz equations, once with the target properties...

2014

Three-Dimensional Control

G. E. Anderson

Oklahoma City Geological Society

... methods of solving or approximating these equations have been presented. Any one of the methods chosen can now be applied to the four-way dip information...

1958

Abstract: Migration Velocity Analysis of Incomplete Data Using LSPSM CIGs; #90174 (2014)

Abdolnaser Yousefzadeh, John C. Bancroft, and Gary F. Margrave

Search and Discovery.com

...s seismic inversion requires solving an usually large system of linear equations. The conjugate gradient (CG) method (Hestenes and Steifel, 1952) is an ...

2014

Abstracts: Full Waveform Inversion with Total Variation Regularization; #90173 (2015)

Amsalu Y. Anagaw, Mauricio D. Sacchi

Search and Discovery.com

... is computed by solving the full wave-equation using the finite difference method. FWI is a local gradientbased optimization problem requiring...

2015

Abstract: Low-Frequency Electrical Conduction in Simple Porous Media; #90187 (2014)

David C. Herrick

Search and Discovery.com

... been the basis for virtually all saturation equations used in the petroleum industry for the past seventy years, however it has only an empirical...

2014

Study of Upscaling Permeability from Thin Sections Using 3D Pore Space Image and Pore Network Modeling (Geology Poster 24)

Luluan A. Lubis, Zuhar Zahir Tuan Harith

Geological Society of Malaysia (GSM)

... will be simulated by solving relevant transport equations from the pore network modeling. The permeability from 3D pore space images are used to predict...

2011

Abstract: Generalized Frames for Gabor Operators in Seismic Imaging; #90172 (2014)

Michael P. Lamoureux, Gary F. Margrave, Peter C. Gibson

Search and Discovery.com

.... This approach is a first step towards a good mathematical model or numerical calculus for solving differential equations using these nonstationary techniques...

2014

Abstract: A Phase Shift Plus Interpolation Extrapolation for Two-way Wave Equation Migration; #90172 (2014)

Jianhua Pan

Search and Discovery.com

... multiple arrivals. As a result, the two-way WEM is needed. The two-way WEM is based on solving the two-way wave equation and it does not have...

2014

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...

1979

A Compositional Gas Flow Model for Predicting Pressure and Heating Value Distribution in Complex Pipeline Network System

L. Mucharam, K. A. Sidarto, L. S. Riza, Mubassiran, S. Sophian

Indonesian Petroleum Association

... of nonlinear simultaneous equations obtained by writing the continuity equation at each node in the system. Therefore an iterative technique, for example...

2007

The Teaching-Learning Process Paradox of Earth Sciences Engineering Education

Antonio Hernandez-Espriu, Emilio Sanchez-Leon

GCAGS Transactions

... uses his criteria for solving problems, supported with advanced mathematical tools, available literature, world-class software, Earth observation...

2011

A Technology to Extract Lithology, Porosity and Hydrocarbon Content from Conventional Seismic Data

Roger A. Young

GCAGS Transactions

.... Seismic petrophysics, the application. Solving equations simultaneously requires at least two independent equations. Getting two independent equations...

1999

Simulation of Integrated Surface-Water/Groundwater Flow for a Freshwater Wetland in Selangor State, Malaysia

Bahaa-eldin E. A. Rahim, Ismail Yusoff, Azmi M. Jafri, Zainudin Othman

Geological Society of Malaysia (GSM)

... networks for SW and GW flow components. A finite difference solution of the partial differential equations, describing the processes of overland...

2009

Application of Elastic Parameters in the Basin Modeling of Unconventional Reservoirs; #41935 (2016)

J. A. EspaΓ±a, R. LΓ³pez, O. C. Mijangos, A. K. Santana, J. J. Morales

Search and Discovery.com

... properties calculated by solving the Equations (1)-(3) for different mineral volumetric fraction . Each mineral can be considered an inclusion embedded...

2016

A New Method for Handling the Nugget Effect in Kriging

K. Krivoruchko, A. Gribov, J. M. Ver Hoef

AAPG Special Volumes

...), then the solution to the kriging equations yields exact kriging. Otherwise, solving for produces the kriging weights for the measurement errors model...

2006

Calculating Thickness from Outcrop and Drill-Hole Data

H.A.K. Charlesworth, W.E. Kilby

CSPG Bulletin

... by solving the resulting three simultaneous equations (Appendix 5). Figure 2. Diagram showing segments of the top and bottom of a uniformly oriented tabular...

1981

Generalization Capability of Data-driven Deep Learning Models for Seismic Full-waveform Inversion: An Example Using the OpenFWI Dataset

Ayrat Abdullin, Umair Bin Waheed

International Meeting for Applied Geoscience and Energy (IMAGE)

... to perform fair comparisons among different solving methods. Such geophysical fields as reservoir modelling, oil and gas exploration, CO2...

2023

High-resolution angle gather tomography with Fourier neural operators

Sean Crawley, Guanghui Huang, Ramzi Djebbi, Jaime Ramos, Nizar Chemingui

International Meeting for Applied Geoscience and Energy (IMAGE)

... local convolutional operators. FNOs were introduced as a machine learning method for solving partial differential equations (Li, et al., 2021). They use...

2023

Exploration and Development based on RTH Technology and AI

Gennady Erokhin, Mariia Erokhina, Kirill Safran, Alexandre Iakovlev

Unconventional Resources Technology Conference (URTEC)

... and hyperattributivity. It turned out that this is a key advantage of the new approach to solving problems of geological prediction using artificial intelligence...

2023

Supercomputers for Beginners: PART III: GPU-Accelerated Computing

Lasse Amundsen, Martin LandrΓΈ, BΓΈrge Arntsen

GEO ExPro Magazine

... involves solving differential equations that describe the wave propagation under a set of initial, final and boundary conditions and a velocity model...

2016

Structural Analysis, and Geometrical Prediction for Change of Form with Depth, of Some Arabian Plains-Type Folds

W. Sugden

AAPG Bulletin

...). RELATIVE ELEVATION EQUATIONS Other structures of the Qatar Peninsula, though much broader and less strongly folded than the Dukhan anticline, suffered...

1962

Time-Dependent Hydrodynamic Models of Turbidity Currents Analyzed with Data from the Grand Banks and Orleansville Events

A. D. Kirwan Jr., L. J. Doyle, W. D. Bowles, G. R. Brooks

Journal of Sedimentary Research (SEPM)

... different dynamics. In the initiation phase the mass and momentum conservation equations for both seawater and the sediment stirred...

1986

A Note on 'A Procedure for Computing the Lattice Constants of Some Crystal Systems by Chan (1976)'

Y. H. Lye

Geological Society of Malaysia (GSM)

... and orthorhombic systems, and 1 = d2 2 4(h 2 +hk + k ) 3a2 + 12 2 c for the hexagonal system, by first reducing them into linear equations...

1978

Core-Calibrated Multi-Mineral Interpretation in Reservoirs with Complex Mineralogy

Mathilde Luycx, Brent Wheelock, Hanatu Kadir, Emmanuel O. Oyewole, Olabode Ijasan, Darren McLendon

Unconventional Resources Technology Conference (URTEC)

... measurement depth π‘˜, by solving tool-response equations of the form 𝑑 π‘™π‘˜ = βˆ‘ 𝑖𝐼 𝑅 𝑙,𝑖 𝑣 𝑖 π‘˜ (1) where 𝑣 𝑖 π‘˜ is the volume fraction...

2022

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