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The AAPG/Datapages Combined Publications Database

Showing 49,609 Results. Searched 195,405 documents.

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Classification of Australian Clastic Coastal Depositional Environments Based Upon a Quantitative Analysis of Wave, Tidal, and River Power

P.T. Harris, A.D. Heap, S.M. Bryce, R. Porter-Smith, D.A. Ryan, D.T. Heggie

Journal of Sedimentary Research (SEPM)

...). River flow is proportional (but not equivalent) to river power (Equation 3). Although we have calculated mean annual values for wave and tide power...

2002

Phylloid Algal Banks: ABSTRACT

Karl W. Klement

AAPG Bulletin

.... Fine-grained carbonate sediment accumulates between the algal blades where it is sheltered from winnowing by wave and current action. This results...

1969

Abstract: Solutions Multifonctions HP

Jai Hokimi Ahmed Reda and Bruno Torterat

Search and Discovery.com

...Abstract: Solutions Multifonctions HP Jai Hokimi Ahmed Reda and Bruno Torterat #90074©2008MAPG First International Conference & Exhibition, Marrakech...

2008

Capillary Pressures in Stratigraphic Traps

Robert R. Berg

AAPG Bulletin

... in more general terms and rearranged as EQUATION (33) where De is effective mean grain size in centimeters. When porosity and permeability are known...

1975

Flume Experiments on Lower-Flow-Regime Bed Forms in Coarse Sand

Warren R. Costello, John B. Southard

Journal of Sedimentary Research (SEPM)

..., such a relationship holds between sediment transport rate qs and bed height h. The wave property arises directly from the sediment-conservation equation [vh]/[vt...

1981

Sand Fountains in the Surf Zone

Benno M. Brenninkmeyer

Special Publications of SEPM

... migration in the foreshore and nearshore zones Elegant models of sediment transport in these have been constructed by extensive laboratory solutions...

1987

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)

..., in some way or another, dealt with the general application of Equation 1 to steady-state conditions in a turbidity-current flow. This is an important...

1986

Analytical Theory of Slope Development by Undercutting

A. E. Scheidegger

CSPG Bulletin

... by a differential equation of the diffusivity-type, and solutions thereof agree reasonably well with some slopes observed in nature. The writer (Scheidegger...

1960

Estimation of Seismic Attenuation (Q): More Insight from Zero-Offset VSP

Mohammad Risyad

Indonesian Petroleum Association

... side of equation (2) versus frequency is performed. The slope, m can be expressed in Q-factor, Q as: 3. compressional wave attenuation is usually...

2018

Reservoir Diagenesis and Convective Fluid Flow: Part 1. Concepts and Principles

J. R. Wood, T. A. Hewett

AAPG Special Volumes

... a composite time constant, , for the total process as [EQUATION (15)] equation 14 may be integrated to yield solutions similar to (6) for the linear...

1984

Reducing Uncertainties In Shear Wave Petrophysical Log Prediction By Using Deep Neural Network and Machine Learning Methods

Muhammad Faris Abdurrachman, Muhammad Dhafit Muhsin

Indonesian Petroleum Association

... the certainty of Shear-wave data prediction and minimise user workload because the user does not have to think about which equation will be used. In essence...

2021

Abstract: Rigorous Demonstration of Sub-Wavelength Multiple Scattering Suppression Using Advanced Seismic Data Processing Workflows; #91204 (2023)

Marcin Dukalski, Chris Reinicke, Rob Hegge

Search and Discovery.com

... generation mechanism. We demonstrate that short-period multiple removal requires a paradigm shift in analyzing multiple scattering in general...

2023

Abstract: The Application of The Nearly Optimal Sponge Boundary Conditions for Seismic Wave Propagation in Poroelastic Media; #90171 (2013)

Jingyi Chen and Ralph Phillip Bording

Search and Discovery.com

... the Biot/Squirt theory to include the solid/fluid coupling anisotropy and develop a general 3D poroelastic wave equation in time domain including both...

2013

Abstract: The Application of The Nearly Optimal Sponge Boundary Conditions for Seismic Wave Propagation in Poroelastic Media; #90171 (2013)

Jingyi Chen and Ralph Phillip Bording

Search and Discovery.com

... the Biot/Squirt theory to include the solid/fluid coupling anisotropy and develop a general 3D poroelastic wave equation in time domain including both...

2013

Transformation of Resistivity to Pseudovelocity Logs

Albert J. Rudman , Joseph F. Whaley , Robert F. Blakely , Maurice E. Biggs

AAPG Bulletin

... is needed is a mathematical repr sentation of the scale function. Theoretical considerations led Kim to a general equation of the scale function...

1975

Reef Delineation by Multiple Offset Borehole Seismic Data Collection: A Case Study

D. E. Miller and L. Dupal

AAPG Special Volumes

... at 650 msec on the CDP section. PROCESSING In recent years, a number of "full wave equation" algorithms have been proposed for the migration...

1987

Beach Foreshore Sedimentology and Morphology in the Apostle Islands of Northern Wisconsin

Wayne N. Engstrom

Journal of Sedimentary Research (SEPM)

... sediments and slopes of 39 beaches in the Apostle Islands of northern Wisconsin were found to be related to various measures of wave energy, wave...

1974

Impact of an Integrated Seismic Data Processing Approach: A Case Study in Central Sumatra

Mars E. Semaan, Eddy Murhantoro, Maryanto, Achmad Bermawi, Budi Subianto, Hari Santoso

Indonesian Petroleum Association

... and refracted waves there will, in general, be P-wave energy converted into S-wave energy, or S- into P-wave energy. Only when the direction of wave...

1992

Flow Simulation of Complex Fracture Systems With Unstructured Grids Using the Fast Marching Method

Changdong Yang, Xu Xue, Michael J. King, Akhil Datta-Gupta

Unconventional Resources Technology Conference (URTEC)

...timizing the mesh quality with the forceequilibrium algorithm, and subdividing Voronoi cells to the computational domain for local Eikonal equation s...

2017

Advances in Micromodeling using Resistivity Borehole Images

John G. Manchuk, David L. Garner, Clayton V. Deutsch

CSPG Bulletin

... of porous media and in general they take the form of Equation (3), where R0’ is the resistivity of the shaly rock when fully saturated...

2015

The Initiation of Oscillatory Ripple Marks and the Development of Plane-bed at High Shear Stresses Under Waves

Paul D. Komar, Martin C. Miller

Journal of Sedimentary Research (SEPM)

... to smaller stress values as a number of ripple occurrences would otherwise fall below the threshold curve. As the stress of the wave orbital motion...

1975

3-D Finite Difference Modeling of Microseismic Source Mechanisms in the Wolfcamp Shale of the Permian Basin

Robert Meek, Robert A. Hull, Austin Von der Hoya, David Eaton

Unconventional Resources Technology Conference (URTEC)

... difference solution to the anisotropic elastic wave equation developed by Boyd, 2006 in a Matlab code and adapted for microseismic data by Eaton, 2013...

2015

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