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The AAPG/Datapages Combined Publications Database
Showing 20,859 Results. Searched 200,630 documents.
Seismic Processing Applications on a Personal Computer
Geophysical Service (Malaysia) Sdn. Bhd.
Geological Society of Malaysia (GSM)
... for each trace because each trace will have a different one-way travel time and the wave propagation velocity with time will be different for each trace...
1989
Transfer learning seismic and GPR diffraction separation with a convolutional neural network
Alexander Bauer, Jan Walda, Dirk Gajewski
International Meeting for Applied Geoscience and Energy (IMAGE)
... SUMMARY The separation of the reflected and diffracted wavefields has been a crucial challenge in both seismic and groundpenetrating radar (GPR) data...
2022
Depositional Structures and Processes in the Non-Barred High-Energy Nearshore: ERRATUM
H. E. Clifton, R. E. Hunter, R. L. Philips
Journal of Sedimentary Research (SEPM)
... of 10 seconds and a deep-water height of 1 meter. Transformations are calculated from Airy wave theory (Inman, 1963, p. 57-62), Stokes wave theory...
1971
Abstract: Numerical Modeling of Shear-wave Splitting and Azimuthal Velocity Analysis in Fractured Media; #90172 (2014)
Zimin Zhang, Don C. Lawton, Robert R. Stewart
Search and Discovery.com
...Abstract: Numerical Modeling of Shear-wave Splitting and Azimuthal Velocity Analysis in Fractured Media; #90172 (2014) Zimin Zhang, Don C. Lawton...
2014
Abstract: Application of 2D Crosscorrelation and Radon Transform for Analysis of Double Couple Microseismic Source; #90187 (2014)
Neda Boroumand and Hassan Khaniani
Search and Discovery.com
... the velocity model to each receiver. The modeled travel times from each grid point to the receivers, for both the p- and s-wave, are stored as travel time...
2014
Abstract: Relaxing the Near-Surface assumption in Estimating 3C Receiver Orientations: Azimuth-Stack Power Optimization of Reflected PS Data; #90187 (2014)
Nirupama (Pam) Nagarajappa, Peter Cary, and Chuck Ursenbach
Search and Discovery.com
... by assuming a homogeneous, isotropic near-surface earth model and derive an orientation using P-wave first arrival amplitudes on the horizontal components...
2014
Abstract: Laboratory Studies of the Seismic Properties of Bitumen Saturated Grosmont Carbonates; #90224 (2015)
Arif Rabbani, Douglas R. Schmitt, Randolf Kofman, and Jason Nycz
Search and Discovery.com
... the two temperatures. This might be due to the reason that the P-wave velocity is sensitive to the changes in the bulk modulus of the bitumen...
2015
Multifocusing Stack Technique for Subsurface Imaging, #40749 (2011)
Sunjay Sunjay,
Search and Discovery.com
...+ and R- are the wave front curvatures of the fictitious waves ΣS and ΣG, respectively, and V0 is the near surface velocity. Quantities R+ and R...
2011
3-D Architecture of a Wave-Influenced Parasequence in the Ferron Notom Delta, Capital Reef Utah, USA: Implications for Delta Asymmetry Models, #50438 (2011)
Weiguo Li, Janok Bhattacharya
Search and Discovery.com
... FAC1: shoreface Caineville m Fre ver Ri ont C C ai S ne o vi ut lle h M es a FAC2: active delta front FAC3: wave-reworked delta front FAC4...
2011
Multi-cycles Sequence Stratigraphy Analysis and the Application of Seismic Waveform Classification Technique for Sandstone Prediction in Shallow Lake Basin, #50642 (2012)
Qinglong Xia, Tao Guo, Chunqiang Xu, Zhigang Liu, Ruoxiang Zhang
Search and Discovery.com
... through self-organizing neural network algorithms. First, the algorithm obtains the model trace and utilizes the shape of seismic trace (i.e. wave...
2012
Direct Reservoir Imaging: The Need for Innovative Advancement in Exploration and Production, #41510 (2014).
Sofia Khan
Search and Discovery.com
... or Drag Wave™. This Slow Wave travels at a lower velocity than the velocity of the compressional wave. This phenomenon creates a very low frequency wave...
2014
Application of Anisotropic 3D Reverse Time Migration to Complex North Sea Imaging; #41573 (2015)
M. A. Hall, I. F. Jones, M. C. Goodwin, I. D. Berranger, H. Zhou, P. A. Farmer
Search and Discovery.com
... wave equation. Here, we have used an anisotropic RTM algorithm to achieve this. RTM properly propagates the wavefield through velocity structures...
2015
Tidally Modulated Shorefaces
Shahin E. Dashtgard, Murray K. Gingras, James A. MacEachern
Journal of Sedimentary Research (SEPM)
... modulated shorefaces (TMS) are wave-dominated, but differ from conventional shorefaces in that sediments deposited in water depths equivalent to the upper...
2009
A nodal discontinuous Galerkin method for wave propagation in coupled fluid-solid media
Ruiqi Li, Yijie Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... and solid are represented by ρ f , ρs , c f and c p , respectively, the shear-wave velocity of the solid is represented by cs . The number of triangular...
2022
Application of land multiple numerical simulation identification and well-driven suppression technology in ultra-deep layers of S Basin
Zhang Shurui, Zang Dianguang, Li Guangpeng, Diao Yongbo, Du Jiajun, Liu Shumin
International Meeting for Applied Geoscience and Energy (IMAGE)
... in S Basin have multiple origin layers, and the multiple wave fields are mixed with each other which leads to strong multiple solutions of model...
2024
Monitoring fluid migration pathways from passive source seismic anisotropy analysis: A case study in Kīlauea volcano
Qichao Zhao, Kelly H. Liu, Stephen S. Gao
International Meeting for Applied Geoscience and Energy (IMAGE)
... migration processes. We conducted a detailed shear wave splitting analysis to examine the seismic anisotropy induced by fractures, using micro-seismic...
2024
Gradient-regularized physics informed neural networks for acoustic wave simulation
Shobhit Mishra, Bharath Shekar
International Meeting for Applied Geoscience and Energy (IMAGE)
.... 1D 2D (2,64,64,1) (3,64,64,64,1) For the 2D constant-density acoustic wave equation, we use a medium with a constant velocity field of 1.5 km...
2024
Depositional Structures and Processes in the Non-barred High-energy Nearshore
H. Edward Clifton, Ralph E. Hunter, R. Lawrence Phillips
Journal of Sedimentary Research (SEPM)
..., D. L., AND NASU, N., 1956, Orbital velocity associated with wave action near the breaker zone: U.S. Army Corps Engineers Coastal Eng. Research Center...
1971
Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)
Roohollah Askari, Robert J. Ferguson, and Helen Isaac
Search and Discovery.com
... the phase velocity for each CMP gather, and, we convert the resulting dispersion curve to a vertical shear wave velocity by an inverse procedure...
2014
Mixed Wave-, Tide- and Fluvial-Influenced, Tropical Coastal-Shelf Deposition: Miocene-Recent Baram Delta Province, Northwest Borneo; #51321 (2016)
Daniel S. Collins, Howard D. Johnson, Peter A. Allison, Abdul Razak Damit
Search and Discovery.com
...Mixed Wave-, Tide- and Fluvial-Influenced, Tropical Coastal-Shelf Deposition: Miocene-Recent Baram Delta Province, Northwest Borneo; #51321 (2016...
2016
Modeling of scattering losses using energy transport
Manuel Alejandro Jaimes Caballero, Roel Snieder
International Meeting for Applied Geoscience and Energy (IMAGE)
...(q ), n,t Dt)e Dt/ts of the energy, propagating with a wave velocity v, is described ⇢ Z ˆ ˆ 1 t X 2p by the term vn · —I(r, n,t). The parameter ts...
2022
Sedimentology of the Permian Monodiexodina-Bearing Bed of the Uppermost Kubang Pasu Formation, Northwest Peninsular Malaysia: Interpretation as Storm-Generated, Transgressive Lag Deposits
Meor Hakif Amir Hassan, Nur Nadwa Syahirah Al Zamruddin, Yeow Boon Sim, Ahmad Sheeqal Shah Abdul Samad
Geological Society of Malaysia (GSM)
... velocity unidirectional currents (Ashley, 1990). Giant symmetrical ripples, with amplitudes of between 70-200 cm are interpreted as high energy wave...
2017
Underwater Study of Ripples, Southeastern Lake Michigan
Richard A. Davis, Jr.
Journal of Sedimentary Research (SEPM)
... by observing wind velocity and wave height and relating these factors to the depth at which interference ripples form. As would be expected, the depth...
1965
Sand Movement Along Equilibrium Beaches North of San Francisco
John A. Cherry
Journal of Sedimentary Research (SEPM)
... as Airy waves (Shepard, 1963). These surface waves set up an effective orbital velocity to a depth of L/2 where L is the wave length in deep water (water...
1966
Aspects of Rock Physics From Laboratory and Log Data that are Important to Seismic Interpretation: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data
A. R. Gregory
AAPG Special Volumes
... studies show that fluid saturation effects on compressional wave velocity are much larger in low porosity than in high porosity rocks. Shear-wave velocities...
1977