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The AAPG/Datapages Combined Publications Database

Showing 715 Results. Searched 201,044 documents.

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Application of a Pipe Stability Model for Predicting Critical Loading Conditions in Slim Holes

Ferda Akgun, Bill J. Mitchell, Sheikh S. Rahman

Southeast Asia Petroleum Exploration Society (SEAPEX)

...sinusoidal buckling”, “snaking buckling”, and “plane form buckling”. Three dimensional buckling which includes a torsional component has been called...

1996

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

... of the seismic waves and the aligned fractures. The azimuthal variations of seismic reflection signal are manifested in variations in travel time...

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)

... that needs be considered in finite-difference (FD) numerical simulations of seismic waves. To avoid the artificial edge reflections from the irregular...

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

... back to the surface were it is recorded . This chapter will briefly review so e of the characteristics of acoustic waves and the physical properties...

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

... between river and weak waves, possibly the back of estuarine bars, in a lateral posi­ tion to the main sedimentary channel or in a lateral position close...

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)

... this, we assume that the observed seismic waves can be considered as plane waves at observation points. The local plane wave can be expressed as (Claerbout...

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)

... accepted that the wave-induced local fluid flow (WILFF) could cause significant dispersion and attenuation of compressional waves in sedimentary rocks (Ba...

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)

..., Jianjun Chen, CNOOC Research Institute, China National Offshore Oil Corporation, Beijing 100028, China Summary Seismic waves propagating through...

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)

..., yielding a flexible tool for diffusion regularized FWI. In the real world, waves propagate inside 3D medium thus, 3D waveform inversion would more...

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

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