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The AAPG/Datapages Combined Publications Database

Showing 20,860 Results. Searched 200,693 documents.

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Abstract: Comparative Study on 2D Microseismic Source Location with Synthetic Seismograms Recorded by Borehole- and Surfacereceiver Arrays; #90224 (2015)

Anton Biryukov, Simon G.E. Harvey, and Giovanni Grasselli

Search and Discovery.com

..., simulating the common increase in p-wave velocity with depth due to the effects of increased lithification and compaction [9]. The same 5 source...

2015

Abstract: Crustal Thickness and Velocity Structure of Southern Peninsular Malaysia

Abdul Halim Abdul Latiff, Amin Esmail Khalil

Geological Society of Malaysia (GSM)

...Abstract: Crustal Thickness and Velocity Structure of Southern Peninsular Malaysia Abdul Halim Abdul Latiff, Amin Esmail Khalil PERTEMUAN PERSATUAN...

2017

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)

..., and the trade-off between depth and velocity. Measuring Rayleigh and Love wave can also highlight anisotropy. Finally, for most studied cases, a better...

2024

Borehole tube wave generation by an incident P-wave at a fluid-filled fracture

Abdullah Alsawidan

International Meeting for Applied Geoscience and Energy (IMAGE)

..., we discuss the necessity of calculating the radial wavenumber using dispersion relations. wave velocity 𝛼, S-wave velocity 𝛽, and density...

2022

Analysis of Water-Level Rise Effects on Littoral Transport

C. R. Berquist , W. F Tanner

GCAGS Transactions

... evaluation of the effects of changes in wave height, wave period, wave approach angle, bottom slope and water depth, on beach erosion. This work...

1974

Abstract: SS-wave Reflections from P-wave Sources in Azimuthally Anisotropic Media; #90187 (2014)

James Gaiser and Richard Verm

Search and Discovery.com

... include shallow S-wave velocity model building to help PS-wave processing (CMP processing is easier), and S-wave surface-consistent residual statics...

2014

Geophysical Constraints on Geodynamic Models--Summary

L. Knopoff

AAPG Special Volumes

... spreading centers. The upper mantle under the Pacific Ocean has markedly different properties from the continental structure. The S-wave velocity...

1974

Star: Shallow Time Anomaly Replacement

Michael O. Marcoux, Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... using wave equation modelling. The results of the ray tracing experiment follow. Model and Synthetic Data The velocity-depth model selected...

1982

Seismic land acquisition designed to identify geology and rock properties over stacked pay interval using HTD 3D3C survey in the Permian Basin

Bruce Karr, Andrew Lewis, Stephen Klug, Ron Bianco

International Meeting for Applied Geoscience and Energy (IMAGE)

.... However, these image points move based on structural dip and lateral changes in velocity. Converted wave data is binned based on VP/VS ratios for every...

2023

Delineation of Shallow Gulf Coast Structure and Stratigraphy Using Seismic Shear Wave Reflections

T. L. Dobecki and J. Steele

Houston Geological Society Bulletin

... findings is that in soils, such as are typical for Holocene and Pleistocene sediments in the Gulf Coast region, the ratio of compressional wave velocity...

1992

Elastic reverse-time migration without wavefield decomposition

Daiguang Li, Shengchang Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... model with 10m grid spacing in the z- and x-directions. The VP/VS is always at 1.73. As a result, we only provide the true P-wave velocity model used...

2022

Relating Directional Current Structures of Modern Sediments to the Direction and Velocity of Tidal Current Systems, Five Islands Tidal-Flat Complex, Nova Scotia

George DeVries Klein

Atlantic Geology

... of the rippled bedforms were determined by these lag currents. The wave length of the sediment bedforms depended more on depth than on current velocity...

1966

Automated velocity model building using Fourier neural operators

Guanghui Huang, Sean Crawley, Ramzi Djebbi, Jaime Ramos-Martinez, Nizar Chemingui

International Meeting for Applied Geoscience and Energy (IMAGE)

...: https://doi.org/10.48550/arXiv.2301.11509. Li, B., H. Wang, X. Yang, and Y. Lin, 2022, Solving seismic wave equations on variable velocity models...

2023

Effects of tool eccentricity on acoustic logging: Theory and field example

Bo Rao, Yuanda Su, Shengqing Li, Xiaoming Tang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Furthermore, the proposed eccentric dipole logging significantly enhances the accuracy of measuring the ultra-slow formation S-wave velocity in a large fluid...

2024

Azimuthal Seismic Velocities and Field Fracture Mapping, Southern Moose Mountain; #51058 (2015)

Mohammed Al Duhailan, Don Lawton

Search and Discovery.com

... interpretation method was used to analyze the refracted P-wave from shot-receiver pairs confined to different azimuthal sectors. Azimuthal velocity variations...

2015

Simultaneous inversion of velocity and reflectivity for enhanced seismic imaging

Yang Yang, Sriram Arasanipalai, Nizar Chemingui, Neil Paddy, Nicholas Montevecchi, David McCallum

International Meeting for Applied Geoscience and Energy (IMAGE)

...Simultaneous inversion of velocity and reflectivity for enhanced seismic imaging Yang Yang, Sriram Arasanipalai, Nizar Chemingui, Neil Paddy...

2022

Hydrocarbon exploration method based on spectral analyses of reflected seismic waves with an introduction to Class A, B and C P-wave dispersion

Robert Wiley, R. Harris Ardis, Scott W. Peters

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Figure 1a: Class C ADF® Velocity Vs Frequency. Examples: Class A, B and C P-Wave Dispersion Analogous to Class I, II and III AVO, there is Class...

2024

Application of time-adaptive FWI on onshore data in Bohai Bay Basin

Wan Xuejuan, Luo Wenshan, Wang Yongming, Gong Ting, Li Daoshan, Chen Yuansheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... with least square full waveform inversion (LSFWI ) can further improve the accuracy and efficiency of velocity inversion. The paper presents a successful...

2024

Oklahoma Geophysical Society Symposium on Continuous Velocity Logging: "Continuous Velocity Logging Method"

Howard R. Breck

Oklahoma City Geological Society

... wave trains observed go up with increasing velocity of the formations. The high frequency water waves are shown at W and the Low frequency surface...

1961

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