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The AAPG/Datapages Combined Publications Database
Showing 772 Results. Searched 200,293 documents.
Application of three-dimensional seismic texture analysis with special reference to deep-marine facies discrimination and interpretation: Offshore Angola, west Africa
Dengliang Gao
AAPG Bulletin
... reflection seismic response is an acoustic expression of stratigraphy via a wavelet convolution (Sheriff and Geldart, 1995), a natural constructive...
2007
4D Seismic and Rock Physics Modeling Responses to Reservoir Steam Flood
Muhammad Edisar, Lilik Hendrajaya, Gunawan Handayani, Umar Fauzi, Laode Ngkoimani, Yarmanto
Indonesian Petroleum Association
... rock physic model. (4) Calculation of reflectivity and convolution with an appropriate seismic wavelet to output a synthetic seismic model...
2005
AAPG Archie Series, No. 1, Chapter 12: Low-resolution Techniques
Q. R. Passey, K. E. Dahlberg, K. B. Sullivan, H. Yin, R. A. Brackett, Y. H. Xiao, and A. G. Guzmán-Garcia
AAPG Special Volumes
... by convolution models. • Invasion and borehole effects are not incorporated. Figure 12.5. Correlation between sand fraction and water...
2006
Volumetric Calculations Using 3D Seismic Calibrated Against Porosity Logs - Pretty Hill Formation Reservoirs, Onshore Otway Basin
P. J. Boult, J. Donley
Petroleum Exploration Society of Australia (PESA)
... on a weighted average or convolution sampling distances were used (Figure 3). Each attribute had a different wavelength and the manipulation...
2001
High-fidelity GPR image super-resolution via deep-supervised machine learning
Kai Gao, Carly M. Donahue, Bradley G. Henderson, Ryan T. Modrak
International Meeting for Applied Geoscience and Energy (IMAGE)
...-tapered Ricker-type point spread function in 2D for convolution with target GPR images to generate low-resolution GPR images. We train the 2D version...
2022
Geology of the Nuhn Uranium Ore Body, Jackson Group, South Texas Uranium District
Richard P. McCulloh, Charles Roberts
South Texas Geological Society Special Publications
... outcrop, but has a long convolution opposite the bend in the outcrop. This redox boundary is downdip of most of the chemical ore. In addition, chemical ore...
1986
Petrofacies Units and Sedimentary Facies of the Late Mesozoic Strata West of Coalinga, California
Charles F. Mansfield
Pacific Section SEPM
... ripple marks, small-scale cross-lamination, ripple-drift lamination, convolution, and incipient soft sediment diapirism. The lower portion is not entirely...
1972
Geology of the Nuhn Uranium Ore Body, Jackson Group, South Texas Uranium District
Richard P. McCulloh, Charles T. Roberts
Bulletin of South Texas Geological Society
... of the lease (fig. 12) from core descriptions. The boundary generally trends parallel to the lower Stones Switch outcrop, but has a long convolution opposite...
1983
Current Trends in Geophysics
H. E. Stommel, J. M. Graul
Indonesian Petroleum Association
... from an air gun monitored signature, or like source) the theoretical seismogram is constructed by the process of convolution — essentially...
1978
Reliable uncertainty estimation for seismic interpretation with prediction switches
Ryan Benkert, Mohit Prabhushankar, Ghassan AlRegib
International Meeting for Applied Geoscience and Energy (IMAGE)
... nets, atrous convolution, and fully connected crfs: IEEE Transactions on Pattern Analysis and Machine Intelligence, 40, 834–848, doi: https://doi.org...
2022
Use of SEISLOG for Basin Evaluation and Field Development
R. C. Mummery
Geological Society of Malaysia (GSM)
... Equation flection coefficient series of the various lithologic interfaces of the stratigraphic sequence. Convolution of this reflection coefficient series...
1987
Towards understanding the impact of the evanescent elastodynamic mode coupling in Marchenko equation-based demultiple methods
Marcin Dukalski, Christian Reinicke, Kees Wapenaar
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the frequency domain or when combining fields, a convolution is replaced with a correlation. This is why (without undertaking additional steps – e.g....
2022
Practical Use of Borehole Seismic in Exploration; Goals and Shortcomings
F. Sandnes, L. Nustt, S. G. Henry
Indonesian Petroleum Association
... results from convolution of the reflection coefficients estimated from velocity and density logs with a zero phase Ricker wavelet of desired bandwidth...
1983
Internal multiple elimination with an inverse-scattering theory guided deep neural network
Zhiwei Gu, Liurong Tao, Haoran Ren, Ru-Shan Wu, Jianhua Geng
International Meeting for Applied Geoscience and Energy (IMAGE)
...* are the convolution and the correlation integral operator of R with any wavefields, respectively. is a small positive value to account for the finite bandwidth...
2022
A practical implementation of data-space Hessian in the time-domain formulation of source extended full-waveform inversion
Gaoshan Guo, Stephane Operto, Ali Gholami, Hossein S. Aghamiry
International Meeting for Applied Geoscience and Energy (IMAGE)
... is used (referred to as CG(i) , where i stands for the number of inner iterations). We first assess the effect of Hs in where ∗t denotes convolution...
2022
Accelerating innovation with software abstractions for scalable computational geophysics
Mathias Louboutin, Philipp Witte, Ali Siahkoohi, Gabrio Rizzuti, Ziyi Yin, Rafael Orozco, Felix J. Herrmann
International Meeting for Applied Geoscience and Energy (IMAGE)
... gradient descent algorithm, in which the conventional LS-RTM gradient g is augmented through convolution layers. The input into the network is the observed...
2022
Fast Gauss-Newton full-wavefield migration
Siamak Abolhassani, Eric Verschuur
International Meeting for Applied Geoscience and Energy (IMAGE)
... convolution filter for each point in the image space to locally match a reference reflectivity model to its corresponding migration image. For a target...
2022
Increasing signal-to-noise ratio of borehole image logs using convolutional neural networks
Mustafa A. Al Ibrahim, Mokhles M. Mezghani
International Meeting for Applied Geoscience and Energy (IMAGE)
...rg/10.1016/j.petrol.2020.107099. Dumoulin, V., and F. Visin, 2018, A guide to convolution arithmetic for deep learning: arXiv preprint, arXiv:1603.072...
2022
Seismic Acquisition and Processing
Bruce S. Hart
Special Publications of SEPM
... seis ic trace consists of the convolution of the earth's i pulse response (i .e., reflection coefficients) with a wavelet, seis ic processors use...
2000
Geology of Upper Cretaceous and Lower Tertiary Rocks Near Lake Nacimiento, California; Frontmatter
Karen Grove, Stephen Graham
Pacific Section SEPM
... intraclasts; B, bedding amalgamation and convolution; C, large angular boulder clast in conglomerate (staff height equals 1.5 meters). Figure 12...
1986
Acoustic waveform inversion with the Lippmann-Schwinger equation constraint
Rahul Sarkar, Biondo Biondi
International Meeting for Applied Geoscience and Energy (IMAGE)
.../10.1088/0266-5611/32/1/015007. Vico, F., L. Greengard, and M. Ferrando, 2016, Fast convolution with free-space Green’s functions: Journal of Computational Physics, 323...
2022
AVO and Inversion Contribute to Makassar Exploration Efforts
William L. Soroka, Herry Andiarbowo, Anung Widodo
Indonesian Petroleum Association
... wavelet + Noise (* implies convolution) Because the seismic and wavelet are known, it should be possible to solve this problem for the unknown geology...
1995
Geomechanical prestack depth migration of the Kraken 3D (Browse Basin, Australia)
Jarrod Dunne, Ferudun Kilic, Matthew Zengerer, Pramod Kumar, Hamish Stein, Shiv Pujan Singh, Stephen Gallagher
Petroleum Exploration Society of Australia (PESA)
... Transformation method, which is faster to run than the Spatial Convolution method but not as accurate unless large amounts of vertical padding are applied, thus...
2018
Crustal thickness and velocity structure of southern Peninsular Malaysia
Abdul Halim Abdul Latiff, Amin Esmail Khalil
Geological Society of Malaysia (GSM)
.... In the iterative deconvolution process, the differences between the resultant convolution of the observed vertical component with a spike function, and the recorded...
2018
A Depositional Model for a Flood-Tidal Delta and Washover Sands in the Late Pleistocene Paleo-Tokyo Bay, Japan
Naomi Murakoshi, Fujio Masuda
CSPG Special Publications
... deposition of the large foreset. Figure 7. Schematic section of washover sand. FTD, flood-tidal delta. The convolution structures in the proximal...
1991