Abstract: Application of a Tomographic Velocity Model to the Prestack Depth Migration of a Buried Valley; #90172 (2014)

Oluwafemi Ogunsuyi, Douglas R. Schmitt

Search and Discovery.com

...Abstract: Application of a Tomographic Velocity Model to the Prestack Depth Migration of a Buried Valley; #90172 (2014) Oluwafemi Ogunsuyi, Douglas R...

New perturbation-based traveltime approximation for elastic VTI media

Shibo Xu, Alexey Stovas, Xingguo Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the quality of the data processing greatly Introduction Velocity analysis allows estimating subsurface velocity by measuring the arrival times...

EXTENDED ABSTRACT: Geological and Geophysical Integration to Estimate the Thermal State in the Gulf of Mexico Basin

Joel Rosales Rodríguez

GCAGS Transactions

... velocity ranges for the upper continental crust, the lower continental and oceanic crust, the high-velocity layer, and the uppermost lithospheric mantle...

Abstract: The Two Seasonal Characteristics of Pahang River, Pahang, Malaysia (Paper A24)

Muhd. Barzani Gasim, Mohd. Ekhwan Toriman, H. T. Hii, I. L. Pan

Geological Society of Malaysia (GSM)

... of the velocity ranged from 0.31 to 0.58 m/s and river flo was ranged from 153.28 to 439.68 m³/s. For water quality analysis; pH range from 7.2 to 7.6...

Pore-Structure and Petrophysical Characteristics of Hamelin Pool Stromatolites and Associated Cemented Coquina Beds

Search and Discovery.com

Integrated Seismic Processing challenges in Karstified terrain of PNG Fold Belt

Search and Discovery.com

Abstract: Unconventionals Acoustic Velocities: Model Development from Acoustic Microscope Measurements;

Alessandra Simone, Lori Hathon, Michael Myers

Search and Discovery.com

... an accurate measure of the velocity. The large acoustic microscope wavelength eliminates the need for ray tracing. One inch diameter core plugs...

Two-dimensional seismic refraction tomography of a buried bedrock valley at Hallsands beach, Devon, United Kingdom

Eric B. Avalos, David H. Malone, Eric W. Peterson, William P. Anderson, and Roland W. Gehrels

Environmental Geosciences (DEG)

... to the beach and 7 normal to the beach, with either 12 or 24 geophones at 5-m (16-ft) spacing. Eight sediment cores were used to calibrate the velocity model...

Enhanced ray-based tomography method

Jonathan Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... (shown in Figure 1). The initial velocity model (shown in Figure 2) is built by using the NMO velocity analysis at the two midpoints (3000m and 6000m...

Fracture Identification and Evaluation Using S Waves, by Bob Hardage, #40792 (2011).

Search and Discovery.com

Measurements and Analysis of Settling Velocities of Natural Quartz Sand Grains

Jumpei Baba, Paul D. Komar

Journal of Sedimentary Research (SEPM)

... diameter as computed with equation (1), making Di the most logical "size" to represent the grain in the analysis of its settling velocity. An analysis...

Statistical depth imaging through complex cluttered near-surface with path summation

Andrey Bakulin, Ilya Silvestrov, Maxim Protasov

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity analysis by path-integral seismic imaging: 81st Annual International Meeting, SEG, Expanded Abstracts, 3898–3902. Decker, L., and S. Fomel...

Porosity Mapping Using Seismic Interval Velocities, Natuna L–Structure

D. R. Eyles, J. A. May

Indonesian Petroleum Association

... has been mapped using a seismic stratigraphic approach. From log data, crossplots were prepared of porosity versus interval velocity for both...

Integration of Geological Data on Seismic Sections: GEOLOGICAL NOTES

L. F. Ivanhoe

AAPG Bulletin

... of errors in integrating subsurface geology and seismic data are: (1) incorrect well points, (2) velocity errors, (3) geometric errors, and (4) projection...

About the importance of the horizontal components of the wavefield for a well-constrained velocity inversion: 3-C versus 1-C inversions

Isabelle Dumont, Sophie Beauprêtre, Anaïs Lavoué, Dan Hollis, Chloé Gradon

International Meeting for Applied Geoscience and Energy (IMAGE)

...About the importance of the horizontal components of the wavefield for a well-constrained velocity inversion: 3-C versus 1-C inversions Isabelle...

Seismic Signature of CO2 Flooding in Tuscaloosa Sandstone; #40942 (2012)

Avinash Mohapatra, Chandra S. Rai, Carl Sondergeld, and Trevor L. Richards

Search and Discovery.com

... velocity measurements as a function of effective pressure showed Biot effective pressure coefficient (n) is approximately equal to 1.0 and independent...

Velocity for Pore Pressure Prediction Modeling and Risk Assessment; #41819 (2016).

Selim Simon Shaker

Search and Discovery.com

...Velocity for Pore Pressure Prediction Modeling and Risk Assessment; #41819 (2016). Selim Simon Shaker Velocity for Pore Pressure Prediction Modeling...

Crustal Structure Study on Gulf Coast of Texas

A. L. Hales , C. E. Helsley , J. B. Nation

AAPG Bulletin

... complete analysis suggests that the average sediment velocity is about 3 km/sec down to 10 or 11 km. The section in Figure 8 shows that the syncline...

Seismological Methods and the Search for Geothermal Resources

David Butler, Paul Larry Brown

Rocky Mountain Association of Geologists

...; and the measurement of insitu rock properties, such as attenuation or velocity ratios. These methods of exploration presume a model of the target system...

Abstracts: Converted Wave Processing in the EOM Domain; #90173 (2015)

Thais A. Guirigay and John B. Bancroft

Search and Discovery.com

... wave prestack migration and velocity analysis has been developed. That is based on the consideration of prestack migration by equivalent offset...

Seismic Interpretation Problems Caused by Miocene Channels in the Central Part of the Gippsland Basin

T U Maung, S J Cadman

Petroleum Exploration Society of Australia (PESA)

... with difficulties in velocity analysis as high velocity Miocene channels are present. Velocity gathers are virtually useless in the massively channelled section...

Velocity and Stratigraphic Models of Dnieper-Donets Paleo-Rift (Reshetilov-Sinevka Deep Seismic Sounding Profile)

T. V. Il’chenko, L. T. Kalyuzhnaya

Petroleum Geology: A Digest of Russian Literature

...Velocity and Stratigraphic Models of Dnieper-Donets Paleo-Rift (Reshetilov-Sinevka Deep Seismic Sounding Profile) T. V. Il’chenko, L. T. Kalyuzhnaya...

A Novel Method for Experimental Characterization of the Poroelastic Constants in Unconventional Formations

Deepak Gokaraju, Munir Aldin, Akshay Thombare, Abhijit Mitra, Sudarshan Govindarajan, Robert Patterson

Unconventional Resources Technology Conference (URTEC)

... in real time during small perturbations in stress. The use of P-wave velocity or arrival time is evaluated as an effective gauge to capture the rock...

Discussing Demigration Uncertainties Applied to Active Focused Seismic Monitoring

Baptiste Penot, Bruce Webb, Michele Buia, Gianluca Dell’Elce

Carbon Capture, Utilization and Storage (CCUS)

... positions through a sensitivity analysis on velocity models, new crucial considerations regarding (de-)migration uncertainties applied to focused seismic...

How Sealed Is a Seal? - High Resolution Seal Integrity Evaluation Using 3D Seismic Data

Gary Yu

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... for accurate pore pressure estimation. Seismic data conditioning and velocity analysis. To extract the best seismic velocity, it is essential to have the best...