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The AAPG/Datapages Combined Publications Database

Showing 5,279 Results. Searched 197,434 documents.

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Dynamic Significance of Primary Structures in the Middle Jurassic Great Oolite Series, Southern England

George Devries Klein

Special Publications of SEPM

... noted Froude currents producing summary sand the waves These sand tidal currents same high velocity 3 which are was large sand...

1960

The Composition, Structure and Erodability of Subtidal Mats, Abaco, Bahamas

A. Conrad Neumann, Conrad D. Gebelein , Terence P. Scoffin

Journal of Sedimentary Research (SEPM)

... and mucilage to produce stromatolitic structures whose morphology was controlled by current velocity and rates of sediment FOOTNOTE 2. Contribution...

1970

Depositional Processes of a Meandering Channel on Mississippi Fan

K. A. Kastens, A. N. Shor

AAPG Bulletin

..., in A. Poldervaart, ed., Crust of the earth: GSA Special Paper 62, p. 279-302. Flood, R. D., and G. Bryan, 1983, Sediment velocity profiles from hydrophone...

1985

Use of Apple II in Mapping Geology of Coastal Plain of NPR Alaska: ABSTRACT

Thomas G. Payne

AAPG Bulletin

...-driven system in BASIC for computing and plotting (1) time, depth, and average velocity to geologic horizons; (2) interval time, thickness...

1982

Permeability and acoustic velocity controlling factors determined from x-ray tomography images of carbonate rocks

Nathaly L. Archilha, Roseane M. Missagia, Cathy Hollis, Marco A. R. de Ceia, Samuel A. McDonald, Irineu A. Lima Neto, David S. Eastwood, and Peter Lee

AAPG Bulletin

..., 1974a, Velocity and attenuation of seismic waves in two-phase media: Part I. Theoretical formulations: Geophysics, v. 39, p. 587–606, doi...

2016

Late Pennsylvanian Storm-Dominated Shelf Sand Ridges, Sacramento Mountains, New Mexico

David L. Carr , Alan J. Scott

Journal of Sedimentary Research (SEPM)

... and sheetflow in 0.177 mm quartz sand under waves of different period (sec). Curves terminate at their maximum stable wave height. End_Page 604...

1990

Distinguishing Depositional Environments in Shallow-Water Mixed, Bio-Siliciclastic Deposits on the Basis of the Degree of Heterolithic Segregation (Gelasian, Southern Italy)

Domenico Chiarella, Sergio G. Longhitano

Journal of Sedimentary Research (SEPM)

... that usually characterize shallow marine settings, including waves, currents, and tides (Longhitano 2011). Since varying depth conditions imply different...

2012

Abstract: How to Attenuate Diffracted Noise: (DSCAN) A New Methodology; #90211 (2015)

Ali Karagul, Todd Mojesky, XinXiang Li, and Necati Gulunay

Search and Discovery.com

... at the calculated travel times for each diffraction trajectory. Applications to different 3D and 2D data show the efficiency of this method. Introduction...

2015

Recognition of Subtle Features in Geologic Maps

J. E. Robinson, D. F. Merriam

CSPG Special Publications

... is from the sands and carbonates of the Lansing-Kansas City Group approximately 300 m lower in the section. The filled-in circles represent producing...

1980

Acoustic Properties of Sediment on the Southern Tonga Platform as Determined from Seismic Sonobuoy Studies

Jonathan R. Childs

Circum Pacific Council Publications

... - 1 . 500 0. 000 42 Table CHILDS 2 LAYER (continued) INTCPT DEPTH THICK VELOCITY TT INC SUM TT SLOPE LAYER INTCPT DEPTH THICK...

1985

The Carolina Cretaceous: Petrographic Reconnaissance of A Graded Shelf

Donald J. P. Swift , S. Duncan Heron, Jr. , Charles E. Dill, Jr.

Journal of Sedimentary Research (SEPM)

...., 1958, A model relating cynamics and sediment pattern in End_Page 32------------------------- equilibrium in the region of shoaling waves, breaker...

1969

Seismic Diffraction Imaging of Reservoir Fractures with DAS Seismic Data in a Horizontal Well

Brian Fuller

Unconventional Resources Technology Conference (URTEC)

... incident seismic waves. In fact, diffraction energy recorded in seismic data provides important signal for seismic migration programs to sum...

2022

Leveraging Unsupervised Machine Learning on Seismic Images of Miocene Deposits in the Carpathian Foredeep Basin for Facies Classification

Reva Wiratama, Fikrah Elhifzi Harahap, Imoleayo Fashagba, Kamil Cichostępski

Indonesian Petroleum Association

... the possibility and complexity of the model. In contrast, K-Means Clustering is an iterative algorithm that is capable to group data into features...

2022

Behavior of Fluids

Gerard Middleton, John B. Southard

Special Publications of SEPM

.... There are thus many different Reynolds numbers, with different length and velocity variables depending on the particular problem. You'll encounter others...

1984

Accelerated augmented Lagrangian full-waveform inversion based on truncated randomized singular value decomposition

Jiahang Li, Hitoshi Mikada, Junichi Takekawa

International Meeting for Applied Geoscience and Energy (IMAGE)

...) 2.92 km (i) 3.36 km (j) 4.02 km 4.62 km Figure 5: 1-D velocity models at different; (a-f) Y-positions: 1.48 km, 8.63 km, 9.19 km, 9.71 km...

2023

Seismic Diffraction Imaging of Lithology in Fault Zones and Hydrocarbon Sweet Spots within the Maverick Basin, South Texas

Osareni Ogiesoba, Alexander Klokov

Unconventional Resources Technology Conference (URTEC)

... at diffraction points. Furthermore, cross plots between instantaneous dominant frequencies extracted from the diffraction-image volume and amplitude...

2016

Introduction to Ground-Water Hydrology, 1993 - Darcy's Law

New Orleans Geological Society

... velocity. Hydraulic Head Hydraulic head is a measure of energy per unit mass of ground water. It is measured simply as the level above an arbitrary datum...

1993

Determination of Relative Provenance Contributions in Samples of Quartz Sand Using Q-mode Factor Analysis of Fourier Grain Shape Data

Carolyn Brauer Hudson, Robert Ehrlich

Journal of Sedimentary Research (SEPM)

... of grains is complexly polymodal (Ehrlich et al., 1980a,b). Each histogram (sample) has a constant row sum since the grain frequencies are normalized to 100...

1980

Abstract: A Ray+Waveform Inversion for the Potency Tensor; #90187 (2014)

Scott Leaney and Chris Chapman

Search and Discovery.com

...orption-dispersion model is used. The sum over rays may include mode conversions, reflections, internal multiples and head waves in addition ...

2014

Fast, Fully Probabilistic, Nonlinear Inversion of Seismic Attributes for Petrophysical Parameters; #120047 (2012)

Andrew Curtis, Mohammad Shahraeeni, and Gabriel Chao

Search and Discovery.com

... that velocity measurements in different directions using different frequencies (e.g. seismic data and well logs) require consideration of elastic scattering...

2012

Abstract: Improving the Statics Solution through De-migration: A Canadian Foothills A-PSDM Case History; #90172 (2014)

Jiwu Lin, Sylvestre Charles, Josef Heim

Search and Discovery.com

... process. The error was only discovered in the middle of the depth imaging phase as the tomography velocity model building iterations were no longer...

2014

One more stride forward in Thunder Horse subsalt imaging with elastic FWI

Bunmi Elebiju, Qingsong Li, Ken Hartman, Francis Rollins, Ye Feng, Karl Kaiser, Werner Schinagl, Chi Chen, Alex Yanjun Hao, Zhiyuan Wei, Jiawei Mei

International Meeting for Applied Geoscience and Energy (IMAGE)

... in both acquisition and imaging, primarily due to the massive salt canopy that causes distorted and poor illumination, leading to velocity and imaging...

2022

A novel approach to investigate the deposition of (bio)chemical sediments: The sedimentation velocity of cyanobacteria–ferrihydrite aggregates

Yuhao Li, Bruce R. Sutherland, Murray K. Gingras, George W. Owttrim, Kurt O. Konhauser

Journal of Sedimentary Research (SEPM)

... sedimentation velocity with different chemical parameters, eleven experiments were conducted over a range of pH values and initial Fe(II...

2021

Photometer Method for Studying Quartz Grain Orientation

Joseph D. Martinez

AAPG Bulletin

... of the quartz crystal bisects the 90° angle formed by the crossed nicols, the waves will become in phase and the resultant will become equal to the sum...

1958

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