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The AAPG/Datapages Combined Publications Database
Showing 2,007 Results. Searched 200,630 documents.
Role of Organic Matter in the Natural History of Oil in the Light of the Ideas of Academician V. I. Vernadskiy
N. B. Vassoyevich
Petroleum Geology: A Digest of Russian Literature
... that are widely distributed in animal and (or) plant organisms (e. g., derivative methyl-quinoline, cholesterin, etc.). The presence of phosphorus in oils...
1963
Sedimentanon Within and Beside Ancient and Modern Magmatic Arcs
William R. Dickinson
Special Publications of SEPM
... produced by arc magmatism with derivative sedimentary and metasedi together mentary strata of foundered intra arc basins and B2 is metamorphosed oceanic...
1974
Application of Frequency-Dependent Attributes for Gas Prospect Identification
Vittorio De Tomasi, Alfonso Junio Marini, Maurizio Ferla, Francesca de Finis
International Meeting for Applied Geoscience and Energy (IMAGE)
... sign because of noise Noise is amplified by the derivative operator Instabilities cause the appearing of negative or unreasonably high frequencies...
2023
An acoustic wave equation with the gradients of velocity and density
Jianyong Bai, Orhan Yilmaz
International Meeting for Applied Geoscience and Energy (IMAGE)
... by the first-order reflectivity and a second derivative in time (Panning et al., 2009). Whitmore et al. (2020) introduced a wave equation with the re...
2023
Differentiable dynamic time warping divergences in full-waveform inversion
Mahesh Kalita, Lorenzo Casasanta
International Meeting for Applied Geoscience and Energy (IMAGE)
... the expected alignment matrix that converges to the optimal alignment (DTW path) as 𝛾 → 0. The cost term represents the directional derivative of softDTW...
2023
Analysis of potential fields through source decomposition in hypercompact atoms
Marco Maiolino, Luigi Bianco, Giovanni Florio, Maurizio Fedi
International Meeting for Applied Geoscience and Energy (IMAGE)
..., 46, 507–525, doi: https://doi.org/10.1046/j.1365-2478.1998.00105.x. Florio, G., M. Fedi, and F. Cella, 2023, A fractional vertical derivative...
2023
Value of marine vibrators for effective frequency-dependent spatial sampling of seismic wavefield
Arash JafarGandomi, Aparajita Nath, Sergio Grion
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the driven surfaces. For a source that is small compared to the emitted wavelength, the second derivative of volume displacement is proportional...
2023
Integration of Seismic Attributte and Sedimentation Concept for Paleogeographic and Sand Distribution Modeling in Seng-Segat Field, Bentu Block, Central Sumatra Basin
Afrizon Setiawan, Ronald Siregar, Dhimas Arief, Syahrial Rakimi, Arifin Sodli, Radig Wisnu Y, Hendarman
Indonesian Petroleum Association
... (Posamentier and Allen, 1999). Instantaneous frequency is the part of complex attributes and the derivative of instantaneous phase attribute by time...
2014
Enhancing high-frequency vibroseis images of near surface: Uncorrelated is key
Richard D. Miller, Zachary Lawrence, Alex Martinez, Julian Ivanov, Dmitry Borisov, Joseph Reilly
International Meeting for Applied Geoscience and Energy (IMAGE)
... deconvolution with groundforce derivative: 72nd Annual International Meeting, SEG, Expanded Abstracts, 1408–1411, doi: https://doi.org/10.1190/1 .1816924...
2023
Full-waveform inversion derived prestack reflectivity gathers
Jian Mao, Xin Cheng, Denes Vigh, James Xu, Qiaofeng Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... extracted by calculating a 3-dimensional derivative of the FWI inverted model (Bai et al., 2022). It carries additional information compared...
2023
Eavesdrop during sand cleanout well intervention with distributed acoustic sensing
Ivan Lim Chen Ning, Bradley Barnum, Xinhui Min, Monika Valjak, Brian Arias, Yanfen Zhang, Kai Sun, Ozzy Isabu
International Meeting for Applied Geoscience and Energy (IMAGE)
... derivative), which we refer to as LF-DAS herein. Conventional signal processing methods of lowpass filtering are sufficient to extract the low...
2024
A seasonal-dependent water velocity model for the Gulf of Mexico
Claudio Bagaini
International Meeting for Applied Geoscience and Energy (IMAGE)
... of 24( , ) and its first derivative (with respect to. depth) also at 600 m. t is the difference in days from the considered day and the day at which...
2024
3D anisotropic seismic simulation for fracture prediction in Sichuans Wufeng shale gas reservoirs
Xiang Li, Ziduo Hu, Chunhui Xie, Yancan Tian, Wei Liu, Xinyu Fang, Gang Yao
International Meeting for Applied Geoscience and Energy (IMAGE)
... was extracted, among which the instantaneous acceleration, defined as the second-order derivative of the instantaneous frequency with respect to the vertical...
2024
Curvature of Equipotential Surfaces
M. M. Slotnick
AAPG Bulletin
.... Differentiating (11), we obtain: End_Page 1254------------------------------ EQUATION (15) If this derivative is set equal to zero, and solved...
1932
Colour amplifies relief shading
Peter Kovesi
Petroleum Exploration Society of Australia (PESA)
... from a data set is somewhat akin to taking a derivative of the surface. This has the effect of amplifying the spectral content of the image...
2019
The Application of Seismic Attributes to Determine Geomorphology of Submarine Canyons: New Insight from Giant Foresets Formation, Taranaki Basin, New Zealand
Joko Wiyono, Henry W. Posamentier, Wahyu Triyoso, Andang Bachtiar
Indonesian Petroleum Association
... analysis generally is defined as a derivative of basic seismic measurement. All available horizon and formation attributes are not independent on each...
2015
Methods of Recognizing Oil-Generating Sediments
M. S. Yaroshevich, G. A. Amosov
Petroleum Geology: A Digest of Russian Literature
... that are for syngenetic bitumoids; therefore, the “similarity” of the lines shows graphically the derivative nature of the boundary. If the latter is drawn on a basis...
1965
Improving reservoir imaging with FWI: A case study in the Columbus Basin, offshore Trinidad
Xiaolei Song, Simon Luo, Hu Jin, Imtiaz Ahmed, Akkel Paul, Nirala Boodoo, Ganyuan Xia, Sean Cardinez, Rodney Johnston
International Meeting for Applied Geoscience and Energy (IMAGE)
... Reflectivity (FDR), which is the derivative of the velocity field along the bed normal, has been used extensively (Zhang, et al. 2020). Compared...
2024
Research on buried hill fracture prediction based on sweet spot attributes of gradient structure tensor in dominant frequency band
Min Gong, Bo Wang, Lin Wang, Rui Wu
International Meeting for Applied Geoscience and Energy (IMAGE)
... the seismic signal volume u (x, y, z) of a three-dimensional data, and the directional derivative vector∇ u (x, y, z) of each point is: g = ∇u(x, y...
2024
Sparse OBN acquisition in shallow water at CCS Sleipner field: The role of multiples in FWI
Sandrine David, Eddie Cho, Graeme Stock, Fons ten Kroode, M.A.H Zuberi
International Meeting for Applied Geoscience and Energy (IMAGE)
...)) and a limited processing dataset more akin to a raw hydrophone (full wavefield). 60Hz FWI Image (derivative of the FWI velocity model) against...
2024
Calibrating FWI image amplitudes: Insights from deepwater GoM
Lennon Infante-Paez, Nayyer Islam
International Meeting for Applied Geoscience and Energy (IMAGE)
... the image quality of the subsurface (Zhang et al., 2020), not much has been published on the significance of the FDR (derivative of the FWI velocity model...
2024
Elastic full-waveform inversion at regional scale for the northern Gulf of Mexico
Yao Yu, Anastasia Pavlovskaya, Kim Shoemaker, Hongyan Li, Jennifer Qin, David Derharoutian Jr., John Law, Zhao Ge, Ruth Hammans, Vivian Robertson, Kate Glaccum
International Meeting for Applied Geoscience and Energy (IMAGE)
... enables visibility and mapping for exploration and development decisions. The benefit of using elastic FWI is more clearly seen in the derivative or FDR...
2024
Numerical modeling of PP and PS reflections in DAS VSP
Joseph J. Cherayil, James L. Simmons
International Meeting for Applied Geoscience and Energy (IMAGE)
... was used in all the simulations. The source signature represents the derivative of a Gaussian pulse. The receivers ranged from 0 m to 5200 m in depth...
2024
Velocity model building assisted by potential field methods: A case study from the Red Sea
Wilson Ibanez, Federico Ceci, Giuseppe Bancala, Andrea Sirtori, Luciana De Luca, Miquel Marin, Vivian Robertson, Briseida Palacios, David Korte
International Meeting for Applied Geoscience and Energy (IMAGE)
... the first vertical derivative (FVD) to amplify shorter wavelengths. Residual maps (as depicted in Figure 1-d), which illustrate areas with significant...
2024
Application of growing-body potential-field inversion from drillholes
Kristofer Davis
Petroleum Exploration Society of Australia (PESA)
... for change are modelled with the single value representing the body. Derivative matrices are unnecessary because cells are only forward modelled once...
2019