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The AAPG/Datapages Combined Publications Database
Showing 3,114 Results. Searched 200,293 documents.
Understanding the Oil and Gas Reservoir Using Material Balance - Workshop Summary
John H. McMullen
PTTC
... Aquifer Model Steady-State Equations Excel Solver Aquifer Productivity Index "Fetkovich" Analytical Aquifer Model Maximum Encroachable Water Iterative...
2004
Depth of the Basal Shearing Plane in Cases of Simple Concentric Folding
Leslie Duska
CSPG Bulletin
... equations, representing the volume by the sectional area "S." End_Page 21------------------------- several suitable equations, representing the volume...
1961
Implementation aspects of elastic FWI and its application to sparse OBN surveys
Cosmin Macesanu, Faqi Liu, Yi Huang, Hao Hu, Carlos Calderón
International Meeting for Applied Geoscience and Energy (IMAGE)
... on a scale comparable to the grid sampling. However, the primary interest for solving the elastic equations relates to targeting subsurface geology...
2024
Applications of elastic RTM on land data
Min Zhou, Changhua Zhang, Zheng Meng, Bin Yu, Mingqiu Liu, Yequan Chen, Dajian Jiang
International Meeting for Applied Geoscience and Energy (IMAGE)
.... In this sense, equations 3 cannot be solved directly without solving equations 1 simultaneously. The advantage of this approach is that the staggered-grid FD...
2024
Evaluation of Two Methods for Determining Soil Gas Permeabilities from Pneumatic Tests
Xun-Hong Chen
Environmental Geosciences (DEG)
... Method The Newton-Raphson method solves a system of nonlinear equations to find the roots of these equations. Equation (2) may be written in the form...
1997
Abstract: New U-Pb zircon ages from the Caledonia Highlands, southern New Brunswick, Canada: solving some problems and creating new ones
Susan C. Johnson, Sandra M. Barr, Chris E. White, Adrian F. Park, Greg R. Dunning
Atlantic Geology
...Abstract: New U-Pb zircon ages from the Caledonia Highlands, southern New Brunswick, Canada: solving some problems and creating new ones Susan C...
2016
Embracing a decision-aware mindset to leverage the geoscience digital revolution
Adam Pidlisecky
International Meeting for Applied Geoscience and Energy (IMAGE)
... Knight has always had an objective of ensuring the geophysical data and analysis are aimed at solving “real-world” problems and have a lasting...
2022
3D large residual static corrections based on first breaks in CMP gather
Feng Faquan, Deng Zhiwen, Cai Xiwei, Hu Chaojun, Huang Yuanyi, Zou Xuefeng, Du Zhongdong, Wang Haili, Wang Mingliang
International Meeting for Applied Geoscience and Energy (IMAGE)
..., but the short wavelength statics is not well solved. Due to the large value of residual statics, high resolution imaging is difficult. Aiming at solving...
2022
Calculating the True Thickness of a Folded Bed: GEOLOGICAL NOTES
G. D. Hobson
AAPG Bulletin
... of the beds caused by depositional conditions or by the sharp folding of incompetent beds. Instances in which it is essential to apply the equations...
1942
Abstract: Blind Surface Consistent Wavelet Estimation; #90187 (2014)
E. Bongajum, N. Kazemi, and M. D. Sacchi
Search and Discovery.com
... deconvolution (Rietsch, 1997) to the case of SCD. In other words, the homogenous system of equations arising in Euclid deconvolution is reformulated in terms...
2014
Abstract: Modified Euclids Blind Deconvolution Via Sparsity Optimization on a Sphere; #90187 (2014)
Nasser Kazemi and Mauricio D. Sacchi
Search and Discovery.com
.... The method is a modification of Euclid’s blind deconvolution where the multichannel impulse response is estimated by solving a homogeneous system...
2014
Rate Dependency of Bilinear Flow in Fractured Shale/Tight Gas Reservoirs
M.S. Kanfar, C.R. Clarkson
Unconventional Resources Technology Conference (URTEC)
..., current analytical equations for the bilinear flow period are particularly inaccurate for gas wells. This inadequacy can be explained with the fact...
2016
A Unified Leak-off and Flow-back Model for Fractured Reservoirs
Dylan Copeland
Unconventional Resources Technology Conference (URTEC)
... for solving the proposed model numerically is presented, as well as equations for coupling to a fluid dynamics model inside the fractures. Simulation results...
2014
Sieve Load Equations and Estimates of Sample Size
Norman C. Janke
Journal of Sedimentary Research (SEPM)
...Sieve Load Equations and Estimates of Sample Size Norman C. Janke 1973 Vol. 43 No. 2. (June), A semi-empirical expression for sieve loads is W (gms...
1973
Surface Modeling for Sedimentary Basin Simulation: Chapter 8
John C. Tipper
AAPG Special Volumes
... a rectangular grid. McCullagh (1981) has provided a useful comparison of the two approaches, in the context of contouring. For solving equations...
1992
Introduction to Nonlinear Models
Gerard V. Middleton and David M. Rubin
Special Publications of SEPM
... ical model", that is, a set of equations that are designed to represent some aspect of the real world. We recognize that other types of models...
1995
A Critical Review on Microbial Enhanced Oil Recovery Using Artificial Sandstone Core: Mathematical Model
Farizal Hakiki
Indonesian Petroleum Association
... equations coupling logistics-growth and a modified predator-prey model. The equations were then solved using analytical and finite difference methods...
2014
Abstract: Seismic Dispersion in Extra-Heavy Oil Saturated Rock; #90172 (2014)
Todd D. Bown, Douglas R. Schmitt
Search and Discovery.com
... model, determined for spherical pores (Berryman, 1980), is expressed by a system of two equations for solving effective K* and shear μ* moduli...
2014
Abstract: Surface-consistent Matching Filter for Time-lapse Processing; #90174 (2014)
Mahdi H. Almutlaq and Gary F. Margrave
Search and Discovery.com
... surface-consistent design equations are similar to those for surface-consistent deconvolution except that the data term is the spectral ratio of two surveys...
Unknown
Molecular Simulation of Hydrocarbon Occurrence and Phase Behavior in Nano Pores; #40400 (2014)
Keyu Liu, Junfang Zhang, Shuichang Zhang, Hua Tian
Search and Discovery.com
.... The trajectories of atoms and molecules are determined by numerically solving the Newton's equations of motion where forces between atoms and molecules...
2014
The Development of an Implicit Flow Model for Predicting the Flow Performance of High Viscosity Oil and Water in Pipelines
Leksono Mucharam, Budhira Lumban Tobing
Indonesian Petroleum Association
... for solving the pipeline model under all temperature and pressure conditions. Thermodynamic Properties In order to solve the system of equations described...
1994
Finite-difference wavefield propagation using superstepping
T. Nemeth, K. Nihei, A. Loddoch, A. Sekar, K. Bube, J. Washbourne, L. Decker, S Kaplan, Ch. Wu, A. Shabelansky, O. Cristea, Z. Yin
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Theory A typical first-order system of equations with 2 state variables for wave propagation can be written in a matrix equation form as 𝐮̇ ...
2024
An immersed boundary topography approach for TTI acoustic propagation
Edward Caunt, Rhodri Nelson, Tim MacArthur, Fabio Luporini, Gerard Gorman
International Meeting for Applied Geoscience and Energy (IMAGE)
...-equation-based algorithms solving pseudoacoustic wave equations in TTI media. The immersed boundary implementation applied in this work demonstrated...
2024
Learned coupled inversion for carbon sequestration monitoring and forecasting with Fourier neural operators
Ziyi Yin, Ali Siahkoohi, Mathias Louboutin, Felix J. Herrmann
International Meeting for Applied Geoscience and Energy (IMAGE)
... equations, solving these PDE can be computationally expensive (Settgast et al., 2018; Rasmussen et al., 2021). To address this challenge, we propose...
2022
Obtaining Low Frequencies for Full Waveform Inversion by Using Augmented Physics
Eldad Haber, Eran Treister, Elliot Holtham
Petroleum Exploration Society of Australia (PESA)
...). In this problem the forward problem can be modelled by solving Maxwell’s equations Here, σ is the conductivity that is inverted for by measuring the electric...
2016