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The AAPG/Datapages Combined Publications Database

Showing 714 Results. Searched 200,357 documents.

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Structural Evidence of Regional Block Movement of the Craton in the Eastern Interior of The North American Continent

Robert W. Worthing

Oklahoma City Geological Society

... by angular momentum adjustments due to changes in the rotation. Strains can be caused by sinusoidal compression waves of the crust. These waves can...

1967

Milankovitch paleoclimatic, tectonic, and sedimentary signals in late Permian-Early Triassic fluvial-lacustrine records, Bogda Mountains, NW China

Wentao Zhang, Wan Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

... (sinusoidal) components in a time or spatial series at different frequencies. Multi-taper method (MTM) power spectral analysis and evolutive MTM are used...

2022

Geoscientific reasoning via graph neural networks

Grant Seastream, Huseyin Denli

International Meeting for Applied Geoscience and Energy (IMAGE)

... with the creation of depositional layers with sinusoidal boundaries, examples of which can be found in Figure 2. Once the layers are created, a rock type...

2022

Azimuthal Variations in Reflection Seismic Data: Measurements Governed by the In-Situ Horizontal Stress Field and/or Vertical Aligned Fractures

Heloise B. Lynn, Walter S. Lynn

West Texas Geological Society

...-offsets P-wave reflection field data, with azimuths of source-receiver going from North to East, to South, to West. Note the sinusoidal change...

2006

Advanced Imaging and Inversion for Oil Production Estimates in Unconventional Resource Plays

Greg M. Johnson, Paul Miller, David Phillips

Unconventional Resources Technology Conference (URTEC)

... increasing offset ranges. Display A is a conventionally migrated OVT; whereas, B uses advanced imaging discussed in this paper. Notice how the sinusoidal...

2013

Significance of Textural Criteria in the Recognition of Ancient Polar Deltaic Sediments

A. S. Naidu, T. C. Mowatt

Alaska Geological Society

... versus size sorting values of all sediments (figure 5) exhibits an overall sinusoidal trend. A similar pattern is less obvious between the sediment...

1976

Robust reconstruction via orthogonal matching pursuit with Fourier operators

Ji Li, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

... been ¨ widely used. For instance, Ozbek et al. (2009) applied MP to the interpolation problem by using sinusoidal basis functions. Similarly, Wang et al...

2022

An immersed absorbing boundary condition for scalar wavefield modeling under topography

KeJi Chen, Hanming Chen, Hui Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

... interface. The Ricker wavelet with the main frequency of 20 Hz is used as the source to be excited under the surface. The sinusoidal surface model is used...

2022

Facies Analysis and Stratigraphic Model for the Carboniferous…Cretaceous Sequences in Eastern Central Subandean/Chaco Plain, Bolivia

C. E. Souza Cruz, A. C. A. Rocha

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... with clasts up to boulder size. To the top of the cycles the facies grades to fine to very fine grained sandstone with sinusoidal cross-beddings...

2003

Physical Basis of Reflection Seismology

Bruce S. Hart

Special Publications of SEPM

... to describe any wavelet . These are illustrated in Figure 2 .2 for a si ple sinusoidal wave, although in Chapter 3 it will be seen that wavelets generated...

2000

Reservoir Quality and Diagenesis of the West Erregulla Field, North Perth Basin, Western Australia

Matthew Wright, Andrew Farley, Hannah Karena, Anthony Cortis

Australian Petroleum Production & Exploration Association (APPEA) Journal

... interpretation for Basal Kingia Sandstone in West Erregulla (source Wilson 2021) compared with Basal Kingia amplitude map showing sinusoidal features...

2022

Optimized characterization workflow for naturally fractured reservoirs using seismic anisotropy attributes in the Middle Magdalena Valley basin, Colombia

Oscar Moreno, Enrique Casaña, Luis Figuera, Iván Higuera, Diego García, Jorge Acosta, Benjamin Roure

International Meeting for Applied Geoscience and Energy (IMAGE)

... methodology exploits sinusoidal behavior of amplitude variation with azimuth, and represents the reflectivity equation as a Fourier series, which is a sum...

2023

Seismic diffraction imaging for improved coal structure detection in complex geological environments

Binzhong Zhou, Weijia Sun

Petroleum Exploration Society of Australia (PESA)

... variation (of sinusoidal form) on its own background dips increasing from the top to the bottom. The dips are represented in time samples per trace...

2018

Improvement of inverse scattering angle-domain common image gathers using optical flow

Ammir A. Karsou, Sérgio L. E. F. da Silva, Felipe V. Capuzzo, Felipe T. Costa, Jorge Lopez, Roger M. Moreira, Marco Cetale

International Meeting for Applied Geoscience and Energy (IMAGE)

... operator in PV directions to better represent sinusoidal waves from a single wavelength. Yang et al. (2022) proposed an additional modeling...

2023

A double double-porosity model for wave propagation in patchy-saturated tight sandstone with fabric heterogeneity

Jing Ba, Mengqiu Guo, Wenhao Xu, Fengyuan Sun, Lin Zhang, Wei Cheng

Petroleum Exploration Society of Australia (PESA)

... theory for wave propagation The governing equations of wave motion are derived based on the Hamilton’s principle. By introducing the fluid variations...

2018

Fluid and pressure effects on seismic dispersion and attenuation of Berea sandstone: Experimental investigations

Qianqian Wei, Jinmiao Zhang, Jianjun Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... current wave to excite a sinusoidal oscillated axial stress to the entire sample column. The rock sample and standard aluminum are deformed by the vibration...

2023

JAX acceleration of implicit FWI and field data application

H. V. Nguyen, A. Sekar, K. Wang, T. Zhang, T. Nemeth, U. Albertin, M. Eaid, K. Nihei, E. Wang, K. Innanen

International Meeting for Applied Geoscience and Energy (IMAGE)

... architecture (Sitzmann, et al. 2020), where periodic sinusoidal activation functions are used to better represent the earth’s spatial features. Input...

2024

Quantitative Geological Modeling of Siliciclastic Rock Sequences and Their Seismic Expression

M. T. Jervey

Special Publications of SEPM

... on a sinusoidal sea-level fluctuation curve. A smooth, symmetrical function was used in simulations reported here because part of the impetus for FIG. 8...

1988

A Siamese network-based full-wave inversion: Application on real data

Omar M. Saad, Randy Harsuko, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... Full waveform inversion (FWI) hinges on accurately comparing the observed and simulated seismic data, a task complicated by the sinusoidal nature...

2024

Reservoir Geomechanics Applied to Drilling and Completion Programmes in Hostile and Complex Environments: North West Shelf, Timor Sea, North Sea and Colombia

David A. Castillo, D. Moos

Indonesian Petroleum Association

... illustrates the sinusoidal appearance on these acoustic images of pre-existing planar discontinuities such as fractures, faults and bedding planes...

2002

Frequency and current analysis of non-linear electrical effects in mineralised rocks

Alan Oertel, Robert White, Steve Collins, Keith Leslie, Ben Spyridis

Petroleum Exploration Society of Australia (PESA)

...) consist of the galvanic transmission of two sinusoidal frequencies and the mapping of sum and difference mixing frequencies. The purpose of this study...

2019

Stratigraphic Separation Diagrams and Thrust Belt Structural Analysis

Nicholas B. Woodward

Wyoming Geological Association

... the stratigraphy controlled by bedding, creating ramps and flats. Whether one examines sinusoidal (sb) or king-style (2c) thrust ramps...

1987

A prior regularized 3D full-waveform inversion using 2D generative diffusion models

Fu Wang, Tariq Alkhalifah, Xinquan Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... and obtain the noisy x C , x C ⇠ ? C (x), which satisfies a linear stochastic differential equation (SDE) (Song et al., 2020): 3x = p V(C) x3C + V(C...

2024

Data-embedded physics-informed neural network for electromagnetic wave propagation simulation: Potentials and challenges

Yawei Su, Wenyi Hu, Jiefu Chen, Aria Abubakar

International Meeting for Applied Geoscience and Energy (IMAGE)

... neural network. The fully connected network has 10 hidden layers and 64 neurons in each hidden layer and uses a sinusoidal activation function. The optim...

2024

Computation of phase velocity direction using normalized wavefields

Kwangjin Yoon, Jungkyun Hyun

International Meeting for Applied Geoscience and Energy (IMAGE)

...up and phase velocity directions are same in isotropic media, however, in anisotropic media, they are different (Tsvankin, 2001). Seismic wave is sinusoid...

2024

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