Utilizing Full Waveform Inversion to Improve Reservoir Imaging and Inversion in East Breaks, Gulf of Mexico

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Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)

Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen

Search and Discovery.com

... of the velocity within the model ensures that the Kirchhoff forward operator for shot records has fair match with that from finite difference wave propagations...

Extracting surface wave dispersion spectra directly from the high-speed train induced vibration

Shengpei Xia, Xinyue Pan, Xiaokai Wang, Wenchao Chen, Jingrui Luo, Haixia Zhao, Wenjing Yan

International Meeting for Applied Geoscience and Energy (IMAGE)

... vibration through the time-frequency decomposition and the similarity-based velocity scanning. Compared to traditional surface wave multichannel analysis...

Abstract: P-wave and S-wave Near-surface Characterization in Northeast British Columbia (NEBC); #90174 (2014)

Liliana M. Zuleta and Don C. Lawton

Search and Discovery.com

... of the project was to gather all the required information in order to elucidate the near surface P and S-wave velocity-depth structure. This model will help...

ABSTRACT: Delineation of a Diagenetic Trap Using P-Wave and Converted-Wave Seismic Data in the Miocene McLure Shale, San Joaquin Basin, California; #90013 (2003)

Robert Kidney, John Arestad, Anne Grau, Robert Sterling

Search and Discovery.com

...ABSTRACT: Delineation of a Diagenetic Trap Using P-Wave and Converted-Wave Seismic Data in the Miocene McLure Shale, San Joaquin Basin, California...

The Application of a Linear Increase of Velocity with Depth to Seismic Dip Migration

J. E. Stones

Oklahoma City Geological Society

.... The first part will introduce the case in which the velocity of the wave-front traveling from the shotpoint to the reflecting horizon and back...

Crustal thickness and velocity structure of southern Peninsular Malaysia

Abdul Halim Abdul Latiff, Amin Esmail Khalil

Geological Society of Malaysia (GSM)

... of mean P-wave velocity above the discontinuity and the average horizontal slowness value. Through the initial experimentation, the suitable P-wave...

Simulation of seismic waves in the fluid-solid coupled thermoelastic medium

Sen Yang, Guochen Wu, Junzhen Shan, Hongying Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., thereby overcoming the paradox of infinite heat wave velocity. As the first generalized thermoelastic theory, scholars have proposed improved methods...

Another Look at the Separation of P- and S-Waves

Jun-Wei Huang

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... modeling, a new approach for P- and S-wave separation is developed based on the divergence and curl operations on vectorial wave fields in the depth...

Another Look at the Separation of P- and S-Waves

Jun-Wei Huang

Search and Discovery.com

... modeling, a new approach for P- and S-wave separation is developed based on the divergence and curl operations on vectorial wave fields in the depth...

Reflection or Refraction?

Aleksandr Nikitin, Nikolay Amelin, Sergei Pokrovskii, Andrey Lekomtsev

GEO ExPro Magazine

... such as ray bending, scattering, diffractions, interference by adjacent reflections in high velocity formations are typical for reflected wave CDP surveys...

Abstracts: Seismic Wave Propagation and Imaging in Heterogenous Media; #90173 (2015)

Yijian Meng, Emmanuel Bongajum, and Bernd Milkereit

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... media. The propagation of the seismic wave is studied using different background velocity models with different scale lengths. As the degree of scale...

Abstract: Lamb Waves Recorded in Microseismic Monitoring Wellbores; #90174 (2014)

Andy St-Onge

Search and Discovery.com

...; this calculation is discussed below. It may be possible to identify all wave types by their recorded apparent velocity, dominant frequency and dispersion...

ABSTRACT: C-wave Spectral Broadening to Match P-wavelengths for Improved Fracture/Lithology Characterization, by Gaiser, James; Verm, Richard; Chaveste, Alvaro; Hall, Michael A.

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ABSTRACT: C-wave Spectral Broadening to Match P-wavelengths for Improved Fracture/Lithology Characterization, by Gaiser, James; Verm, Richard ; Chaveste, Alvaro; #90142 (2012)

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A Comparison of Depth-Conversion Methods in the Gulf of Mexico

Melvan D. Carter, Gary R. Hyatt

GCAGS Transactions

... the simplest constant-function approach to the "layer-cake" method to an average-velocity technique based upon seismic velocities, each method has...

Quantitative analysis of DAS recorded P-wave generated by perforation shots

Peiyao Li, Ge Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

..., masked P-wave. As normally adopted in the Multichannel Analysis of Surface Waves (MASW) method, the phase velocity analysis scheme is described...

Principles and Techniques of VSP Data Processing

A.A. Tabakov, V.N. Ferentsi, H.Garvini

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... wave field is carried out, not just extraction of specific waves. Fig.1 Kinematic procesing: A – kinematic parameters of the medium; B – velocity...

Abstract: Seismic Rayleigh wave method for imaging subsurface cavities

Jon C. Q. Xu, Stephen D. Butt, Patrick J. C. Ryall

Atlantic Geology

...Abstract: Seismic Rayleigh wave method for imaging subsurface cavities Jon C. Q. Xu, Stephen D. Butt, Patrick J. C. Ryall atlantic geology . volume...

Abstract: Seismic Investigation of Surface Deformation Associated with the Kilmichael Dome, Montgomery County, Mississippi, by S. D. Sloan and J. B. Harris; #90032 (2004)

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Earth crustal analysis of Northwest Sabah region inferred from receiver function method

Abdul Halim Abdul Latiff, Faridah Othman

Geological Society of Malaysia (GSM)

... propagate through solid. S-wave travels at about 2.5-4 km/sec in the Earth’s crust which makes it the second-fastest wave. Typically, the velocity...

Full phase-velocity spectrum inversion of multimode Rayleigh waves

Yanlong Niu, Yunyue Elita Li, Siau Chen Chian

International Meeting for Applied Geoscience and Energy (IMAGE)

...) has attracted popularity in site investigation activities for retrieving the shear wave velocity profile of the ground. Although the workflow...

Abstracts: Fluid Substitution and Seismic Modelling in a Sandstone Aquifer; #90173 (2015)

Virginia C. Vera and Don C. Lawton

Search and Discovery.com

... of interest simulating pre, during and post CO2 injection scenarios. From Gassmann calculations it was found that the P-wave velocity decreases...

Abstract: FWI Using Reflections in Shallow Waters Offshore Abu Dhabi; #91204 (2023)

Carlos Barajas, Olivier Hermant, Oleg Khakimov, Bastian Hutahayan, Guillaume Cambois, Mohamed Mahgoub, Olivier Kirstetter

Search and Discovery.com

... and low velocity layers creating high apparent anisotropy in the bandwidth of seismic surveys. Obtaining an accurate description of the velocity...

Application of shear-wave seismic interpretation technology in shallow gas clouds area

Wang Yan, Deng Zhiwen, Chen Zhigang, Cai Yintao, Zhang Rui, Xi Xiaoyu, Wu Dan

International Meeting for Applied Geoscience and Energy (IMAGE)

... that the frequency spectrum of P-wave is slightly higher than that of S-wave. However, the velocity of P-wave is more than twice that of S-wave, which indicates...