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The AAPG/Datapages Combined Publications Database

Showing 28,401 Results. Searched 195,387 documents.

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The Reflection Seismograph Celebrates 50th Anniversary 1921 -- 1971

W. B. Robinson

Oklahoma City Geological Society

... velocity layer. (4) This 1941 recording has an early version of the variable density system along the right border. It is an adaptation of the sound...

1973

The Reflection Seismograph Celebrates 50th Anniversary 1921-1971

W. B. Robinson

Oklahoma City Geological Society

... delay caused by wave travel in the shallow low velocity layer. (4) This 1941 recording has an early version of the variable density system along...

2003

Improved Subsurface Imaging and Interpretability Through Broadband Reprocessing of Legacy Seismic Data: Examples from North West Shelf Australia

Stephen Malajczuk, Rajesh Saklani, Dean Clark, David Eastwell

Petroleum Exploration Society of Australia (PESA)

... amplitude spectrum quality control on all shots across the line to confirm the source and receiver depth, as this can be variable and needs to be taken...

2016

Assessment of a Marcellus Shale Prospect Using Seismic, Microseismic, and Completions Data

Scott Singleton, Mark Suda

GCAGS Transactions

...-stack simultaneous impedance inversion: The Leading Edge, v. 28, p. 772–781. Tsvankin, I., 1997, Anisotropic parameters and P-wave velocity...

2012

Kemandung Ridges Play Concept to Increase Exploration Prospectivity in East Tuban Block: Preliminary Study

Andi M Adiwiarta, Risdi M Zainal, Yosi Hirosiadi

Indonesian Petroleum Association

...   potential can be defined into main reef, backreef, and forereef scattered along the ridge area. The variable of velocity analysis along study area...

2010

Abstract: Multi-Scale 2D Acoustic Full Waveform Inversion with High Frequency Impulsive Source; #90187 (2014)

Vladimir N. Zubov, Michael P. Lamoureux, and Gary F. Margrave

Search and Discovery.com

... of time variable t and space variable x , k  k x  represents the physical properties of the transmitting medium which we wish to recover In the FWI...

2014

Enhancing Subsurface Imaging and Reservoir Characterization in the Marcellus Through Advanced Reprocessing of Wide Azimuth 3D Seismic, #11159 (2018).

Jinming Zhu, Chris Perll, Trevor Coulman,

Search and Discovery.com

... • The multiple generators are quite variable spatially LSRME effects on velocity semblance: pre LSRME • Notice the energy highlighted • Is the energy...

2018

Data selection for velocity model estimation using a circular shot OBN survey

Felipe T. Costa, Sergio L. E. F. da Silva, Ammir A. Karsou, Felipe Capuzzo, Roger M. Moreira, Jorge Lopez, Marco Cetale

International Meeting for Applied Geoscience and Energy (IMAGE)

...Data selection for velocity model estimation using a circular shot OBN survey Felipe T. Costa, Sergio L. E. F. da Silva, Ammir A. Karsou, Felipe...

2023

Seismic Reef Expression in the North Sumatra Basin

K. Wirjodihardjo

Indonesian Petroleum Association

... development of early Miocene carbonate buildups in the North Sumatra Basin enables a better understanding of seismic reef facies. Analysis of variable...

1992

Using Traditional Methods to Predict Pore Pressure in Devonian Black Shale Basins of North East British Columbia

Sam Green, Joel Loeffler, Shona Clarke, David Thurston

Unconventional Resources Technology Conference (URTEC)

... the vertical stress (overburden). Shales in unconventional plays have variable clay contents, are uplifted, are affected by chemical processes...

2018

Appendix A: Considerations for Optimum 3-D Survey Design, Acquisition and Processing

R. Malcolm Lansley

AAPG Special Volumes

... operator is spatially variable and is designed to accurately position data according to the travel paths defined by the depth and velocity model...

2011

The Development of Clast Fabric in Mudflows

John F. Lindsay

Journal of Sedimentary Research (SEPM)

... boundary. From equation (1) it can be seen that in any one situation y is the only variable, so that the velocity profile through the lurry is parabolic...

1968

Structure and Sedimentological History of the Overbank Deposits of a Mississippi River Point Bar

Pulak K. Ray

Journal of Sedimentary Research (SEPM)

.... The discharge rates of the Mississippi River are highly variable. The U.S. Army Corps of Engineers' 100 year discharge records of the Mississippi River...

1976

On Traction-Carpet Sedimentation

Y. K. Sohn

Journal of Sedimentary Research (SEPM)

.... Traction carpets have variable particle concentrations, thickness, and velocity structures, some of which are opposite in character to those of grain...

1997

Predicting Autosuspension in Steady Turbidity Flow: Ignition Points and Their Relation to Richardson Numbers

Henry M. Pantin, Mark C. Franklin

Journal of Sedimentary Research (SEPM)

..., 1981, Terminal settling velocity of commonly occurring sand grains: Sedimentology, v. 28, p. 859–865, doi: 10.1111/j.1365-3091.1981.tb01948.x. Lewis...

2009

Seismic Foldout: New Geo Streamer X data for exploration, ILX and appraisal in the Norwegian Sea

Kjetil Roverud, Stefan Möller, Eric Mueller, Jens Beenfeldt, PGS

GEO ExPro Magazine

... blocks showing variable preserved Early and Middle Jurassic sections in the Dønna Terrace.  50 | GEO EXPRO 2-2023 50 km Sør-High - EXPLOR ATION...

2023

Main Results of Geophysical Investigations in the Timano-Pechora Oil-Gas Province and Future Prospects

A. Ya. Krems, I. I. Belovol, A. K. Voytovich, N. D. Matviyevskaya

Petroleum Geology: A Digest of Russian Literature

... in the province both on the surface and at depth are complex. Present everywhere is a low velocity zone, which is marked by variable composition...

1966

New Look at Oil-Gas Prospects of Western Segment of Karpinskiy Ridge

Yu. A. Volozh, M. P. Antipov, S. I. Filin, Yu. G. Yurov

Petroleum Geology: A Digest of Russian Literature

... as Cenozoic and Mesozoic sediments. Their thickness is quite variable up to complete pinch out. The Paleozoic rocks are characterized by refracted-wave...

2000

Abstracts: Gabor Multipliers for Seismic Modeling and Wavefield Propagators; #90173 (2015)

Michael P. Lamoureux, Gary F. Margrave, and Peter C. Gibson

Search and Discovery.com

... the decomposition of signals with respect to a time variable “t”. However, we may instead decompose with respect to space variables, temporal frequency...

2015

Experiments on Wedge-Shaped Deep Sea Sedimentary Deposits in Minibasins and/or on Channel Levees Emplaced by Turbidity Currents. Part I. Documentation of the Flow

Octavio E. Sequeiros, Benoit Spinewine, Marcelo H. Garcia, Rick T. Beaubouef, Tao Sun, Gary Parker

Journal of Sedimentary Research (SEPM)

... the layer-averaged velocity of the current, h denote the thickness of the current, g denote gravitational acceleration and Fe denote the layer-averaged...

2009

Deep Sea Carbonates: Acoustic, Physical, and Stratigraphic Properties

Larry A. Mayer

Journal of Sedimentary Research (SEPM)

... in acoustic impedance are almost entirely controlled by changes in saturated bulk density (or its inverse, porosity). Velocity changes are very small...

1979

ABSTRACT: Quantification of Uncertainty in Gas Resources of Deep Panuke; #90013 (2003)

CLAYTON DEUTSCH, RICHARD WIERZBICKI, ROBERT RIDDY, JOHN SLADE

Search and Discovery.com

... time at these surfaces, and (2) velocity uncertainty in the time-to-depth conversion. This uncertainty is addressed by ‘‘flexing’’ the base case...

2003

Seismograph Recording of the Ripple Rock Explosion

P. L. Willmore

CSPG Bulletin

... the explosion, two of them on the day of the explosion at the north and south ends of Vancouver Island, for determination of standards of velocity...

1958

Mississippi Canyon 379 #1

Toby A. Roesler

Houston Geological Society

.../Ambiguous/Misleading Technologies Analyses of seismic stacking velocities failed to detect a high velocity section below the salt.   Gravity inversion...

2003

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