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The AAPG/Datapages Combined Publications Database

Showing 5,455 Results. Searched 200,293 documents.

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Sediment Dispersal Within the Cocos Gap, Panama Basin

Lynn G. Dowding

Journal of Sedimentary Research (SEPM)

...----------------------- of constant sum: Jour. Geophys. Res., v. 65, no. 12, p. 4185-4193. CURRAY, J. R., 1960, Tracing sediment masses by grain size modes: Report, 21st...

1977

Geologic Quantification: Description ^rarr Numbers ^rarr Success Ratio

Irving T. Schwade

AAPG Bulletin

... for the entire category. For simplicity, these sub-categories are arranged in different groups, each containing several variable elements. Each group...

1967

Chapter 10: 2-D Pore Architecture Characterization of a Carbonate Mudrock Reservoir: Insights from the Mid-Continent “Mississippi Lime”

Beth Vanden Berg, G. Michael Grammer

AAPG Special Volumes

... architecture coupled with diagenetic alterations and a multiscale fracture network. Additionally, there is a significant shift in measured sonic velocity...

2016

Enhancing high-frequency vibroseis images of near surface: Uncorrelated is key

Richard D. Miller, Zachary Lawrence, Alex Martinez, Julian Ivanov, Dmitry Borisov, Joseph Reilly

International Meeting for Applied Geoscience and Energy (IMAGE)

... are more pronounced at high frequency and must be suppressed on uncorrelated data. At frequencies above 200 Hz the vibroseis source has an energy...

2023

Multichannel compressive sensing for seismic data reconstruction using joint sparsity

Iga Pawelec, Michael Wakin, Paul Sava

International Meeting for Applied Geoscience and Energy (IMAGE)

... generate 100 signals (200 samples long), with each signal defined as the sum of K sinusoids with different frequencies and random phase shifts: f...

2022

Ichnologic, Taphonomic, and Sedimentologic Clues to the Deposition of Cincinnatian Shales (Upper Ordovician) Ohio, U. S. A.

Danita Brandt Velbel

Special Publications of SEPM

... These trilobite shales occur at different stratigraphic horizons throughout the Cinncinnatian Series The Certain near thickness and lateral extent...

1984

Abstracts: Microseismic Source Inversion in Anisotropic Media; #90173 (2015)

Scott Leaney, Chris Chapman, and Tadeusz Ulrych

Search and Discovery.com

.... While the sum over rays may include mode conversions, reflections and head waves in a future version, presently only the three direct arrival types...

2015

Sedimenit Gravity Flows

Gerard Middleton, John B. Southard

Special Publications of SEPM

... example, a quite different relationship Referring to Chapter 1, and integrating the equation for holds0 the velocity of laminar flow down an inclined...

1984

Characteristics of the Free Surface Multiple Attenuation Using Wave Field Extrapolation; #40504 (2010)

Patrícia P. Ferreira, Marco Antonio, Cetale Santos, and Luiz Landau

Search and Discovery.com

.... The effectiveness and possible issues of this scheme in suppressing multiples are described and discussed for two different synthetic velocity models...

2010

Q-compensation imaging of anisotropic viscous quasi-acoustic media along wavefield propagation path

Bohan Zhang, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... shows the imaging results of different imaging algorithms using the same simulated data. (a) (b) (c) (d) imaging result. The sum of the right end...

2022

Fan-Delta to Submarine Fan Conglomerates of the Volgian-Valanginian Wollaston Forland Group, East Greenland

Finn Surlyk

CSPG Special Publications

...Fan-Delta to Submarine Fan Conglomerates of the Volgian-Valanginian Wollaston Forland Group, East Greenland Finn Surlyk 1984 359 382 A major episode...

1984

Abstract: 3C Deghosting for Refraction Time-lapse Monitoring; #90187 (2014)

P. B. Wills and K. De Meersman

Search and Discovery.com

... wave field. Refraction Seismic monitoring Refraction seismic monitoring acquires head waves travelling on a high velocity formation below...

2014

Unraveling the Origin of Carbonate Platform Cyclothems in the Upper Triassic Durrenstein Formation (Dolomites, Italy)

Nereo Preto, Linda A. Hinnov

Journal of Sedimentary Research (SEPM)

..., but the distribution of power within the obliquity band is different than expected, with most of the power concentrated in the lower frequencies (the 1/46 cycles...

2003

New Joint Categorical/Continuous Simultaneous Inversion Technology (Paper C9)

M. Kemper

Geological Society of Malaysia (GSM)

... by a (banded) matrix W (typically a different W matrix per partial angle stack). The product of W and D we can call system matrix X, into which the scaling...

2012

Interfacial Tension and Mineral Adhesion Properties of Cyclopentane Hydrate

Zachary M. Aman, Luis E. Zerpa, Giovanny Grasso, William E. Leith, E. Dendy Sloan, Amadeu K. Sum, Carolyn A. Koh

Unconventional Resources Technology Conference (URTEC)

..., Taylor & Francis Group: Boca Raton, FL, 2008. 2. Koh, C. A.; Sum, A. K.; Sloan, E. D., Gas hydrates: Unlocking the energy from icy cages. Journal...

2013

Flow of Weak Rocks in Appalachian Plateau Folds

D. V. Wiltschko , W. M. Chapple

AAPG Bulletin

... Plateau of Pennsylvania and south-central New York, Region I, the salt-bearing part of the Silurian Salina Group is the deformed zone; no other part...

1977

Petrophysical characterization at the extremes and across three continents: contrasting examples from Utica, Marcellus, Longmaxi and Roseneath-Murteree resource shales

M. Ben Clennell, Matthew Josh, Lionel Esteban, Claudio Delle Piane, David Dewhurst, Vladimir Luzin

Unconventional Resources Technology Conference (URTEC)

... density instead of scaled sonic slowness to produce a pseudo TOC curve for the shale matrix (RHOB_logRt), while a different baseline was used to fit core...

2017

Quantifying Roundness of Detrital Minerals By Image Analysis: Sediment Transport, Shape Effects, and Provenance Implications

Alberto Resentini, Sergio AndÒ, Eduardo Garzanti

Journal of Sedimentary Research (SEPM)

... of different facies to establish the relative efficiency of mechanical processes as a function of depositional environment and transporting medium...

2018

Proportion of Glacially To Fluvially Induced Quartz Grain Microtextures Along the Chitina River, SE Alaska, U.S.A.

Dustin E. Sweet, David K. Brannan

Journal of Sedimentary Research (SEPM)

... conditions in source areas during deposition of the Ash Hollow Formation, Ogallala Group (late Tertiary), of western Nebraska: American Journal of Science...

2016

The Stratigraphy and Oil Prospects of Alberta, Canada

F. H. McLearn, G. S. Hume

AAPG Bulletin

..., Sum. Report (1912), pp. 165-76. FOOTNOTE 4. E. M. Kindle, Pan-American Geologist, Vol. 42 (1924), pp. 113-24. FOOTNOTE 5. H. W. Shimer, Geological...

1927

Ambient Fracture Imaging: A New Passive Seismic Method

Alfred Lacazette, Jan Vermilye, Samuel Fereja, Charles Sicking

Unconventional Resources Technology Conference (URTEC)

... seismic methods can provide bulk measures of velocity and velocity anisotropy. Although these values have proven useful in many cases for fracture...

2013

Stabilizing two-term clock-drift inversion in ocean-bottom node processing

Beng Seong Ong, Zhaojun Liu, Carsten Udengaard

International Meeting for Applied Geoscience and Energy (IMAGE)

..., there are still small leakages between the different water velocity, node position and clock-drift. Those small leakages could be a result of approximation used...

2024

Seascape Metrics of Shelf-Margin Reefs and Reef Sand Aprons of Holocene Carbonate Platforms

Eugene C. Rankey, Joaquin Rodrigo Garza-Perez

Journal of Sedimentary Research (SEPM)

... platforms and from platforms within different regions are characterized by log-normal size-frequency distributions. (4) Widths of these facies belts vary...

2012

Textural and Shape Variation in the Berea Sandstone of Ohio

Fred Foreman, Harry L. Thomsen

Journal of Sedimentary Research (SEPM)

..., which is equal to, or less than, n2, or in other words d2. N is the sum of the frequencies and is always greater than f except when all...

1940

Comparison of Marcellus Fracturing Using Azimuthal Seismic Attributes Versus Published Data From Outcrop Studies

Tanya L. Inks, Terry Engelder, Jacki S. Hocum, Bruce Golob, Darien O'Brien

Unconventional Resources Technology Conference (URTEC)

... play. Rose diagrams from quantitative fracture analysis using azimuthal seismic velocity volumes are compared to published data from Appalachian black...

2014

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