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The AAPG/Datapages Combined Publications Database

Showing 2,605 Results. Searched 191,954 documents.

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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

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

NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers

E. Blias

Search and Discovery.com

... ¨ ¸ , 2 © dD ¹ ˆ where D(sin T ) D(cos D ) , H is Thomsen parameter (Thomsen, 1986). From these equations, we can find explicit connection between...

Unknown

NMO Inversion for Multilayer Subsurface with Horizontal Transverse Isotropic layers

E. Blias

Search and Discovery.com

... ¨ ¸ , 2 © dD ¹ ˆ where D(sin T ) D(cos D ) , H is Thomsen parameter (Thomsen, 1986). From these equations, we can find explicit connection between...

Unknown

Fundamentals of Fluid Flow: Part 10. Reservoir Engineering Methods

Michael Golan

AAPG Special Volumes

...), and Craft et al. (1991). EMPIRICAL IPR EQUATIONS Several IPR formulas have been developed to represent the inflow behavior of various types...

1992

Estimating the Effect of Rock Mineral Composition on Reservoir Quality: Application in the Spraberry and Wolfcamp Formations, Permian Basin, Texas and New Mexico

Adewale Amosu, Mohamed Imsalem, Yuefeng Sun

GCAGS Transactions

... is important for petrophysical and rock physics analysis. One method of estimating rock composition is by solving a system of linear equations...

2018

Abstract: Pore-Geometric Controls on Single-Phase Darcy Permeability of Porous Media; #90187 (2014)

David C. Herrick

Search and Discovery.com

... ambiguous in a physical sense. Physical interpretation of permeability The flow equation (1) is only one of several such equations all of which describe...

2014

Abstract: Regular Grids Travel Time Calculation … Fast Marching with an Adaptive Stencils Approach; #90187 (2014)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

... field. Using finite difference to numerically solving this equation produces first arrival traveltimes. AAPG Search and Discovery Article #90187...

2014

Magnetic Disturbance Caused by Buried Casing

William M. Barret

AAPG Bulletin

... of the magnetic elements in different horizontal planes and at different radial distances from the casing head. Curves representing these equations are shown...

1931

A Workflow for Flowback Data Analysis … Creating Value out of Chaos

Obinna Ezulike, Hassan Dehghanpour

Unconventional Resources Technology Conference (URTEC)

..." and steepness of the profile. DRP Simplification Semi-analytical methods (e.g. Laplace transform) are suitable for solving flow equations in existing...

2014

A Numerical Simulation of Microseismic Depletion Delineation for Duverney Oilfield in Canada Using a Fast Approach for a Fully Coupled 3D Quasistatic Poroelastic Modeling

Andrey H. Shabelansky, Kurt T. Nihei, Gian Fradelizio, Sinead Tracey, Dimitri Bevc

Unconventional Resources Technology Conference (URTEC)

..., it requires solving of large 3D linear systems (e.g., Jha and Juanes, 2014; Castelletto et al., 2019; Frigo et al., 2019) with a significant computational...

2022

A Time Chart for Mechanical Analyses by the Pipette Method

W. C. Krumbein

Journal of Sedimentary Research (SEPM)

..._Page 94------------------------- to the depth divided by the time, v = h/t. The right hand sides of the equations may be set equal to each other...

1935

New Mathematical and "Stereograhic Net" Solutions to Problem of Two Tilts--With Application to Core Orientation: DISCUSSION

D. Jerome Fisher

AAPG Bulletin

... 685 23 5. (May) The methods of solid analytics involving direction cosines lead to an elegant derivation of the old equations for solving dip...

1939

Preface

AAPG Special Volumes

... and their justification, and results obtained. Mathematical equations and details of algorithms are kept to a minimum, although obviously some details...

1992

Abstract: Problem Solving with Microfossils: A Brief Review of the Role of Thin-Section Studies in Micropaleontology; #90285 (2016)

Malcolm B. Hart

Search and Discovery.com

...Abstract: Problem Solving with Microfossils: A Brief Review of the Role of Thin-Section Studies in Micropaleontology; #90285 (2016) Malcolm B. Hart...

2017

Abstract: Uncertainty Space for Microseismic Event Locations using a Double Difference Algorithm; #90174 (2014)

Timur Mukhtarov

Search and Discovery.com

... normalization. The LSQR algorithm is used for solving the system of double difference equations. Though robust and reliable, it fails to produce realistic...

2014

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

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