Shape Variation of Some Lake Superior Beach Pebbles

Robert M. Grogan

Journal of Sedimentary Research (SEPM)

... the progressive modification of pebble shape produced by wave action. It was found and examined in the summer of 1938 during field work toward the preparation...

Variations in Morphology of Major River Deltas as Functions of Ocean Wave and River Discharge Regimes

L. D. Wright , J. M. Coleman

AAPG Bulletin

... to the bottom contours, refraction of waves yields directions of wave propagation (orthogonals) more normal to the bottom contours. This effect follows...

Basic Types of Submarine Slope Curvature

Erwin W. Adams , Wolfgang Schlager

Journal of Sedimentary Research (SEPM)

...Basic Types of Submarine Slope Curvature Erwin W. Adams , Wolfgang Schlager 2000 Vol. 70 (2000), No. 4. (July), Curve fitting of the first-order...

ABSTRACT: Imaging Through Gas Clouds: Case Histories from the Gulf of Mexico; #90007 (2002)

Knapp, Steve, Nigel Payne, Tony Johns

Search and Discovery.com

... shear wave data allows images to be obtained that are unobstructed by the gas and/or fluids. This reduces the risk for interpretation and subsequent...

Synthetic Seismograms and Their Uses

Abilene Geological Society

... to accurately correlate depths to seismic response so we can identify which reflection on the seismic data is coming from a given reflector at a specific...

An Analysis of the Observed Time Discrepancies Between Continuous and Conventional Well Velocity Surveys

P. E. F. Gretener

CSPG Bulletin

..., a curvature of the raypath, or a combination of both. It is, therefore, preferable to call the observed effect apparent anisotropy, which...

Fluviatile Obstacle Marks from the Wadis of the Negev (Southern Israel)

Iaakov Karcz

Journal of Sedimentary Research (SEPM)

... to it, thus creating centrifugal forces appropriate to the curvature of the streamlines in the plane of flow. Following Ishikhara (1942) and Kondratiev...

Geologic characteristics of the central stretch of the Ticona Channel, north-central Illinois

Bryce A. Willems, David H. Malone, Andre Pugin

Environmental Geosciences (DEG)

... surface.Seismic line segments 271 and 311 show large troughs developed across each horizon. The troughs above the W reflector have induced a pulldown effect...

The use of spectral recomposition in tailored forward seismic modeling of outcrop analogs

Mark Tomasso, Renaud Bouroullec, David R. Pyles

AAPG Bulletin

... exploding reflector method is based on a one-way propagation of an acoustic wave (Loewenthal et al., 1976; Claerbout, 1985) and uses the extended split...

Abstract: Seismic Wave Attenuation due to Scattering and Leaky Mode Mechanisms in Heterogeneous Reservoirs; #90171 (2013)

Jun-Wei Huang, Gilles Bellefleur, and Bernd Milkereit

Search and Discovery.com

... the integration path of frequency and wave number from real to complex plane and obtained oscillatory motions in addition to the normal modes. Snieder...

Continental Margin Off Western Africa: Cape St. Francis (South Africa) to Walvis Ridge (South-West Africa)

K. O. Emery , Elazar Uchupi , C. O. Bowin , Joseph Phillips , E. S. W. Simpson

AAPG Bulletin

... modified the shelf, upper slope, and the eastern end of Walvis Ridge by wave action, turbidity currents, and the Benguela Current. Anonymous, undated...

Detailed Seismic Characterization of a Heavily Karsted Zone; #10506 (2013)

Alfredo Fernandez and Kurt Marfurt

Search and Discovery.com

... of the lower Barnett shale. This will allow to verify the effect of the proximity to the fractures associated with the Ellenburger Group karsts. Figure 5. I...

Reefs and Wave Action: ABSTRACT

Michael E. Philcox

AAPG Bulletin

...." It is therefore important to clarify what wave resistance means, whether it can be recognized in ancient reefs, and what effect the use...

Exploring naturally fractured reservoirs: A case study

Anand Prakash, Manayer Al-Abdullah, Abu Ghneej Ali Faleh Naser, Al-Otaibi Talal Mutlaq Mohammed, Bhaskar Chakrabarti, Rinaldi Mulyono, Vishnu Chilumuri, Al-Meshilah Thuwaini, Talal F. Al-Adwani, Amar Nada Mohamad Amar, Al-Otaibi Ahmad Homoud

International Meeting for Applied Geoscience and Energy (IMAGE)

... angle domain was carried out. This approach maps all the components of the recorded wave field to every subsurface image point to understand...

A Comparison of Core and Crosswell Seismic Data from a Carbonate Reservoir

Karla E. Tucker Paul M. Harris

West Texas Geological Society

... may be masked by the very high-amplitude, positive P-wave reflection at ~2842 ft. This reflector, which is not present on the S-wave image, coincides...

A Comparison of Core and Crosswell Seismic Data from a Carbonate Reservoir

Karla E. Tucker, Paul M. Harris

CSPG Special Publications

..., positive P-wave reflection at ~2842 ft. This reflector, which is not present on the S-wave image, coincides with the top of a gypsum-cemented interval...

Abstract: The Application of Extreme Attributes of PS Converted Wave; #90171 (2013)

Xiucheng. Wei, Xiang-Yang Li, Tiansheng Chen, and Lihua Jia

Search and Discovery.com

...., 1984, Plane-wave reflection coefficient for gas sands at non-normal angles of incidence: Geophysics, 49, 1637–1648. Zoeppritz, K., 1919, Erdbebenwellen...

Time-Domain High-Resolution Radon Transform (Geophysics Paper 4)

Michel Schonewille, Peter Aaron, Carl Notfors

Geological Society of Malaysia (GSM)

... quadrant. After zeroing the 1st quadrant the data was inverse transformed. However, decomposing hyperbolic events as dip-components, which is in effect...

Oscillation Sand Ripples Generated by Laboratory Apparatus

Martin C. Miller , Paul D. Komar

Journal of Sedimentary Research (SEPM)

... differences among oscillating bed, wave flume and water tunnel devices. Additional data have been obtained employing a wave flume that generates large waves...

Seismic Modeling and Expression of Common Fold-Thrust Belt Structures; #42266 (2018)

Jianjun Li, Shankar Mitra

Search and Discovery.com

.... The length of the fault reflector is longer and more continuous with higher fault slip and P/S ratio. There is a distinct pull up effect under the fold...

Acadian Sliding: Anatomy of Styles for Gravitational Fault Development and Hydrocarbon Migration in the Western Appalachian Foreland Basin of Pennsylvania and West Virginia; #41126 (2013)

Robert Jacobi, Joel Starr, David Jackson, Travis Warner, and Craig Eckert

Search and Discovery.com

...) downslope side of the block (Figure 1); many of the thrusts ramp up from the Onondaga or Tully (e.g., Figure 1). The primary decollement (glide plane...

Field Development with Three-Dimensional Seismic Methods in the Gulf of Thailand — A Case History

C. G. Dahm, R. J. Graebner

Southeast Asia Petroleum Exploration Society (SEAPEX)

... line spacing over a block roughly rectangular in shape covering about 130 square kilometers. The 40 fold data were processed using a 3D wave equation...

A Practical Review of Migration Issues and Solutions; #40723 (2011)

Ian F. Jones

Search and Discovery.com

... only solve for one of the two possible roots: in effect this translates physically to only imaging upcoming energy. Solving the full (acoustic) two-wave...

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)

... with carbonate debris flows are known to distort the seismic wave field and may have an effect on associated microseismic derived attributes. In this study...

Applying Machine Learning Technologies in the Niobrara Formation, DJ Basin, to Quickly Produce an Integrated Structural and Stratigraphic Seismic Classification Volume Calibrated to Wells

Carolan Laudon, Jie Qi, Yin-Kai Wang

Unconventional Resources Technology Conference (URTEC)

... on the top Niobrara. The main fault trends can be seen as well as the potential effect curvature may have on fracturing in the brittle chalk layers. Fault...