Abstract: Seismic Illumination Models Applied to Subsalt Exploration, by M. Albertin and D. Sedgeley; #90933 (1998).

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A High Density Seismic Hazard Survey in the Los Angeles Basin

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Anisotropic Velocity Model of a Fractured Formation using a High Resolution VSP Survey and Forward Modeling

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... and Schmitt, 1997), allowing the measurement of phase (plane wave) velocity as a function of angle from vertical. These anisotropy measurements showed...

Unveiling and Imaging Karst Through Refined Wavefield Separation

Riaz Alai, M Afiq B Mokhtar, Yonghe Guo, Pongga Wardaya, Jun Wang , Rizki Krishna Pratama, Haryono Haryanto

Indonesian Petroleum Association

... wave field has been separated into specular reflections and diffractions. Diffraction energy, in general is much lower in amplitude and separate...

Seismological Methods and the Search for Geothermal Resources

David Butler, Paul Larry Brown

Rocky Mountain Association of Geologists

... the velocity to some degree, but strongly affect the ratio of S-wave to P-wave velocities. Thus, if these factors can be measured with some degree...

Results of a Preliminary Test Investigation on the Applicability of Passive Seismic Tomography in VC Block - Assam, India; #41070 (2012)

Rohit Sinha, Nikos Martakis, Akis Tselentis, and Paris Paraskevopoulos

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... model for P-wave velocity and Vp/Vs is the one presented in Table 1. The above-mentioned 1D velocity model is the one that minimizes the total RMS...

Abstract: Application of 2D Crosscorrelation and Radon Transform for Analysis of Double Couple Microseismic Source; #90187 (2014)

Neda Boroumand and Hassan Khaniani

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... the velocity model to each receiver. The modeled travel times from each grid point to the receivers, for both the p- and s-wave, are stored as travel time...

Oscillation Sand Ripples Generated by Laboratory Apparatus

Martin C. Miller , Paul D. Komar

Journal of Sedimentary Research (SEPM)

... to natural progressive waves of the same periods, the velocity and pressure fields are also accurately reproduced. In the general Airy-wave solution...

Sorting of Sediments in the Light of Fluid Mechanics

Douglas L. Inman

Journal of Sedimentary Research (SEPM)

... with shallow water surface waves, relative to a fixed point, is thought to consist of a slow seaward velocity under the wave trough, followed...

Application of Multi-Scale Fracture Detection from Borehole Microresistivity Image and Dipole Shear Wave Reflection Imaging in Shale Gas Horizontal Wells: A Case Study in Changning Gas Field

DE Heng, He Fa Yao, Ran Wen, Bin Lin, Qi Cheng Fan, Yan Hui Fu,

Unconventional Resources Technology Conference (URTEC)

... of the wave on the propagation path, e(−ωD/2Q ∗β), Where Qβ and β are the quality factor and wave velocity of shear wave. It can be seen from equation 1...

Pore-Pressure Prediction in the Permian Basin Using Seismic Prestack Inversion

Colin Sayers, Lennert den Boer

Unconventional Resources Technology Conference (URTEC)

... it, the pressure exerted by fluid inside the rock opposes compaction, reducing the wave velocity. Measurable effects of stress change, including compaction...

Acoustic Properties of Ancient Shallow-Marine Carbonates: Effects of Depositional Environments and Diagenetic Processes (Middle Jurassic, Paris Basin, France)

Benjamin Brigaud, Benoit Vincent, Christophe Durlet, Jean-Francois Deconinck, Philippe Blanc, Alain Trouiller

Journal of Sedimentary Research (SEPM)

...-wave velocity from plugs, sonic, insoluble content, helium porosity, air permeability, and grain density. Proportions of macroporosity, early cement...

Abstract: Seismic Imaging near and within the Basement Offshore Malaysia; Including Comparisons of Imaging Algorithms (Geophysics Paper 19)

Nabil El Kady, M. Shah Sulaiman, Zabidi M Dom, Tang Wai Hoong, Lee Mei Lu, Pavel Vasilyev, Martin Bayly

Geological Society of Malaysia (GSM)

...; velocity model building and migration methods applied to successfully image the data. The basement fractures are present at a variety of scales but to aid...

3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs

Antonio C.B. Ramos, T.L. Davis

Rocky Mountain Association of Geologists

... to be gas or water. The presence of gas in the crack system of the coals, for lower confining pressures, reduces the P-wave velocity significantly...

Unconventional Carbonate Reservoir Characterization Using Sonic Velocity and Characterization of Pore Architecture: An Example From the Mid-Continent Mississippian Limestone; #50979 (2014)

Beth Vanden Berg, G. Michael Grammer, Gregor Eberli, Ralf Weger

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...Unconventional Carbonate Reservoir Characterization Using Sonic Velocity and Characterization of Pore Architecture: An Example From the Mid-Continent...

AVO Seismic Technology - Workshop Summary

Brian Russell

PTTC

... velocity and S-wave velocity. Understanding these is necessary to application of AVO technology. Density, P- and S-wave velocity data examples were used...

Utilization of Existing Wells in Seismograph Work

Burton McCollum , Wilton W. Larue

AAPG Bulletin

... exists anywhere within a radius of several miles of the well, as shown in Figure 1, the shots from one direction, as S1, will show greater velocity than...

Application of Interferometric MASW to a 3D-3C Seismic Survey

Shaun Strong, Steve Hearn

Petroleum Exploration Society of Australia (PESA)

... is to use the MASW method to derive a near-surface S-wave velocity profile for a 3D-PS survey. The intention is to then use this to improve...

Workflow for Nonlinear AVO Inversion to Estimate Seismic Anisotropy and Geomechanical Properties of Shale

Un Young Lim, Richard L. Gibson Jr., Nurul Kabir

Unconventional Resources Technology Conference (URTEC)

... method to estimate horizontal P-wave velocity even for strong anisotropy, when full Zoeppritz solutions for PP reflection are applied using far angle...

Origin of Abrupt Change in Slope at Continental Shelf Margin

Robert S. Dietz , Henry W. Menard

AAPG Bulletin

... currents have a negligible effect upon the sea floor below wave base. To the writers' knowledge, the current velocity at wave base has never been...

GCDistinguishing Fizz-Gas and Commercial Gas Reservoirs With Multicomponent Seismic Technology, By Bob A. Hardage, Michael Deangelo, Diana Sava And Randy Remington, #40188 (2006).

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Response of the Seabed to Storm-Generated Combined Flows on a Sandy Arctic Shoreface, Canadian Beaufort Sea

Arnaud Hequette , Philip R. Hill

Journal of Sedimentary Research (SEPM)

...-surface elevations above the bottom were obtained for every three-hourly burst. Spectral analyses of the velocity data yielded values of wave...

ABSTRACT: A Hybrid Wave Equation Datuming and Kirchhoff PSDM Solution for Accurate Onshore Seismic Imaging, by Hu, Leon L.; Saleh, Saleh; Sliz, Krzysztof; Ley, Robert E.; #90141 (2012)

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Seismic Foldout: Revealing a Promising New Play Concept in the Salar Basin, Offshore Canada

Yermek Balabekov, Susana Tierrablanca, Sriram Arasanipalai, Nizar Chemingui, PGS

GEO ExPro Magazine

... RELIABLE EARTH PROPERTIES Using a wave equation parameterised in terms of velocity and reflectivity removes the need for a density assumption...

Seismic Anisotropy Modeling from Well Log in Talang Akar Formation, South Sumatra, Indonesia; #41360 (2014)

Thariq Guntoro, Intan Andriani Putri1, and Dwa Desa Warnana

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... which varying with the directions. Seismic wave velocity varying with the direction of propagation caused the anisotropy characteristics of rock...