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The AAPG/Datapages Combined Publications Database

Showing 3,114 Results. Searched 200,293 documents.

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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 Euclids 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

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