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The AAPG/Datapages Combined Publications Database
Showing 714 Results. Searched 200,357 documents.
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