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The AAPG/Datapages Combined Publications Database
Showing 5,197 Results. Searched 200,636 documents.
Petrofacies, Lithofacies and Submarine-Fan Facies of the Great Valley Group (Sequence)
Raymond V. Ingersoll
Pacific Section of AAPG
... (1964) are subquartzose rocks (Q<75), for which the field terms graywacke and arkose are appropriate (Dickinson, 1970). Typically, quartz forms less...
1981
Analytical Pressure and Rate Transient Models for Analysis of Complex Fracture Networks in Tight Reservoirs
Jorge A. Acuña
Unconventional Resources Technology Conference (URTEC)
... the Laplace Transform of Eq. 7, applying Duhamel’s principle and calculating the inverse Laplace transform to get 𝑞𝐷 𝐵= 2 (4𝑡 𝐷 ) 𝛿−1 𝛤(1...
2016
Assessment of Uncertainties in Magnetostratigraphic Dating of Sedimentary Strata
Peter J. Talling, Douglas W. Burbank
Special Publications of SEPM
... is of little use in assessing the detailed correlations of the local MPS Cf ro Q Hobbs 18 16 0 0 0 to the GPTS 14 Fluctuations In Sediment...
1993
Submarine Cementation of Subsurface Pliocene Carbonates from the Interior of Great Bahama Bank
David K. Beach
Journal of Sedimentary Research (SEPM)
... of Units P, Q, and R were penetrated in all three locations. Unit S was observed only in U-3, where less than a meter of section was cored and recovered...
1993
Physics-directed unsupervised machine learning: Quantifying uncertainty in seismic inversion
Sagar Singh, Yu Zhang, David Thanoon, Pandu Devarakota, Long Jin, Ilya Tsvankin
International Meeting for Applied Geoscience and Energy (IMAGE)
... is the total number of training examples, i is the minibatch, and q(w|θ ) represents the variational inference (θ is a variational parameter). The first...
2022
Benefits of selective stacking of windowed high-resolution linear radon transform (HRLRT) images from traffic-induced passive-seismic data with the multi-channel analysis of surface waves (MASW) method in Lawrence, Kansas
Julian Ivanov, Richard D. Miller, Dmitry Borisov, Shelby Peterie, Anthony M. Hoch
International Meeting for Applied Geoscience and Energy (IMAGE)
... has contributed to the determination of near-surface quality factor Q (Xia et al., 2013) and the acquisition of more realistic compressional-wave...
2022
The Climate System - A Brief Primer
Eric J. Barron, George T. Moore
Special Publications of SEPM
... to the Earth is inversely proportional to the distance between the Earth and sun through the inverse square law. Essentially if the Earth-sun...
1994
Seismic signatures of pore fluid mobility in heterogeneous reservoirs
Qiuzi Li, Brent Wheelock, Tuan Tran, Fadil Santosa
International Meeting for Applied Geoscience and Energy (IMAGE)
... on the environment of deposition. The parameter 𝜌 is the bulk density of the rock, and 𝜌 is the fluid density. The parameter 𝛾/𝜖 is the inverse of fluid...
2023
Deep nonlinear seismic prior for seismic interpolation
Yuhan Sui, Xiaojing Wang, Jianwei Ma
International Meeting for Applied Geoscience and Energy (IMAGE)
... is necessary to improve the accuracy of subsequent seismic data processing. The seismic interpolation can be regarded as an inverse problem, in which...
2023
A field data application of RockAVO: Data-driven, direct petrophysical inversion of prestack seismic data
Miguel Corrales, Hussein Hoteit, Matteo Ravasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... model (RPM), denoted as g: d(q ,t) = f (g(f ,Vsh , Sw ; x )) (1) In this equation, f symbolizes porosity, Vsh stands for shale content, and Sw...
2023
Case Study - Advanced Seismic Acquisitions and Processing Results in Indonesia
Michele Buia, Bakhrudin Mansyur, Herastya Iman Priyonggo
Indonesian Petroleum Association
... drilled on the structure indicates a very small Q factor. Moreover the rough geomorphology of the water bottom, characterized by canyons...
2011
Multi-Azimuthal Walkway VSP for Full Azimuth Seismic Calibration
Konstantin Galybin, Anastasia Poole, Michael Giles
Petroleum Exploration Society of Australia (PESA)
... validation, use of effective anisotropy processing parameters (eta parameter) and attenuation factor for surface seismic (Q) as well as validation...
2016
Robust multichannel prestack AVA inversion based on elastic L1/2 norm
Nanying Lan
International Meeting for Applied Geoscience and Energy (IMAGE)
... ref z Qz 2 H 1/ 2 2 (10) s.t. Bz H where Q C + B . Equation 10 can be solved efficiently by alternating minimization strategy...
2023
Date-driven seismic velocity inversion via deep residual U-net
Yiran Huang, Chuang Pan, Qingzhen Wang, Jun Li, Jianhua Xu
International Meeting for Applied Geoscience and Energy (IMAGE)
... and the American Association of Petroleum Geologists REFERENCES Adler, A., M. Araya-Polo, and T. Poggio, 2021, Deep learning for seismic inverse problems...
2024
Geophysical in-situ stress prediction method based on ADS method
Min Zhang, Xia Wang, Ya Shen, Jinrong Yang, Yintao Cai, Liping Qian, Feng Li, Jianhua Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... features to establish a geomechanical model, and then carry out inverse calculations and simulations to obtain the distribution of in-situ stress. Tan...
2024
Re-imaging of 2D legacy data in Brazils Equatorial Margin via pseudo-3D model building
David Butler, Daryineth Fernandez, Oscar Perez, Raul Ysaccis, Jason Thekkekara, Juan Perdomo, Christopher McMorland, Aurora Rodriguez Castelan
International Meeting for Applied Geoscience and Energy (IMAGE)
...re applied to improve the SNR. Inverse-Q application using amplitude only (phase-Q correction was applied pre-migration) and a bandwidth extensi...
2024
Unit-constrained data-driven discovery of a wave equation
Shijun Cheng, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Cheng, S., W. Mao, Q. Zhang, and Q. Xu, 2021, Wave propagation in the poro-viscoelastic orthorhombic two-phase media: Plane-wave theory and wavefield...
2024
Identification of Potential Lacustrine Stratigraphic Intervals in the Woodford Shale, Oklahoma, Using Multi-Attribute 3-D Seismic Displays and a Supervised Neural Network
Emilio J. Torres, Roger M. Slatt, Kurt J. Marfurt, Lennon E. Infante, Luis A. Castillo
Unconventional Resources Technology Conference (URTEC)
... map. The study area is located in the red box of the Southeast Pottawatomie and Pontotoc border, Oklahoma U.S.A. Note the inverse correlation...
2017
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)
... in observation, this inverse problem is highly ill-posed, especially for recovering a 3D velocity model. To solve this problem, regularization is often...
2024
Antidunes as Trochoidal Waves
Bryce M. Hand
Journal of Sedimentary Research (SEPM)
... waves of any particular steepness, and must equal the inverse ratio of water depths at these positions. Antidune height (Hb) can therefore...
1969
Selective Entrainment of Sediment Graded by Size and Density Under Waves
Matthew R. Tomkins, Peter Nielsen, Michael G. Hughes
Journal of Sedimentary Research (SEPM)
... sandstone: Journal of Sedimentary Petrology, v.3, p. 3-29. SALLENGER, A.H., 1979, Inverse grading and hydraulic equivalence in grain-flow deposits: Journal...
2003
Contributions of Compaction And Aquathermal Pressuring to Geopressure and the Influence of Environmental Conditions: DISCUSSION
T. W. Miller, C. H. Luk
AAPG Bulletin
...), NaCl·2H2O(cr), and phase equilibria: Journal of Physical Chemistry Reference Data, v. 21, no. 4, p. 793-829. Bethke, C. M., 1986, Inverse hydrologic...
1993
Abstract: A Comparison of 5D Reconstruction Methods; #90187 (2014)
A. Stanton, N. Kreimer, D. Bonar, M. Naghizadeh, and M. D. Sacchi
Search and Discovery.com
... implementation, we used a conjugate gradients based solver to solve this inverse problem (Liu and Sacchi, 2004). Evaluation of results In the case...
2014
Porosity Preservation in the Lithic Carmopolis Reservoirs, Sergipe-Alagoas Basin, Brazil, #20379 (2017).
Argos B. Schrank, Sabrina D. Altenhofen, Luiz F. De Ros
Search and Discovery.com
...: Carmópolis Sequential Analyses of Core Well A Inverse gradation Pyrite concretion Flame structure Convolute lamination Total porosity Framework Dolomite...
2017
DDR: The Technology of Simultaneous Wave Field Analysis and Velocity Model Reconstruction
A. Reshetnikov, A. Tabakov, A. Mukhin, V. Eliseev
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
..., tying it with the field. Therefore, it’s possible to solve the inverse problem of model parameters selection in iterative manner (boundaries geometry...
2006