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The AAPG/Datapages Combined Publications Database
Showing 1,264 Results. Searched 200,635 documents.
A stochastic modeling method of seismic velocity and anisotropy parameters in VTI medium using travel time detectability criterion
Andrey H. Shabelansky, Huafeng Liu, Cory J. Hoelting, Min Yang, Jinsong Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
...elation may not always be satisfied, particularly in complex media (e.g., presence of salt bodies). However, from our experience smoothing of the...
2022
Practical considerations for computing the kernels of reflection-based full-waveform inversion
Houzhu (James) Zhang, Hong Liang, Hongwei Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... the model in Figure 1. Common image gathers by Kirchhoff migration for exact model (after smoothing) and initial model are shown in Figure 2a and 2b...
2022
Newly integrated approaches to studying Late Triassic terrestrial ecosystems
Randall B. Irmis, Jessica H. Whiteside
PALAIOS
..., A.F., FOSTER, R., and LEE, M.S.Y., 2007, Calibration choice, rate smoothing, and the pattern of tetrapod diversification according to the long...
2010
Imaging the reservoir permeability from time-lapse electromagnetic data
Taqi Alyousuf, Yaoguo Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... 𝒎 𝟎 is the reference model and 𝑾 𝒎 is a model weighting matrix including spatially dependent weighting functions and a model smoothing operator...
2022
Elastic full-waveform inversion using OBN data acquisition
Denes Vigh, James Xu, Xin Cheng, Bing Bai
International Meeting for Applied Geoscience and Energy (IMAGE)
... approach. After smoothing the legacy model, FWI was employed to update the entire model including the salt geometry and sedimentary section above...
2022
Managing the Oil in Water Content of NSO Overboard Water
Teguh H. Susanto, Tania Irani, Jenny Hutomo
Indonesian Petroleum Association
... to reduce it to acceptable levels started in late 2004. Preliminary efforts focused on improving the efficiency of the existing facilities: smoothing...
2008
ADMM-based full-waveform inversion of ground-penetrating radar data
A. Jalali, H. S. Aghamiry, A. Gholami
International Meeting for Applied Geoscience and Energy (IMAGE)
... to a fixed-spread geometry. Initial permittivity and conductivity models used for inversion are built by applying a Gaussian smoothing filter on the true...
2022
Phase-encoded waveform inversion for multiples
Yike Liu, Bin He, Xiao-Bi Xie, Yingcai Zheng
International Meeting for Applied Geoscience and Energy (IMAGE)
..., with (a) the true velocity created from the prototype of the Gulf of Mexico, and (b) the initial model generated by smoothing the true velocity model...
2022
Building high-resolution models and synthetic seismic data to evaluate interpretation scenarios
Tiago Santos Cabral, Rodrigo Lopes Fernandes, Daina Popic Bendoraitis, Josair Estrela Gonalves Junior, Luiz Alberto Santos
International Meeting for Applied Geoscience and Energy (IMAGE)
... (𝑣 𝑃 ). Empirical parameters 𝑎 and 𝑏 are from Gardner’s equation. After that, the data is integrated, and to reduce the noise, structure-oriented smoothing...
2022
Geophysical constraints on the thickness of the Holyrood Pluton, Avalon Peninsula, Newfoundland
H. G. Miller, D. A. Pittman
Atlantic Geology
... smoothing filter, and contour ing. Contour interval 25 nT (25y)• INTERPRETATION The Bouguer anomaly map, Fig. 2, shows a transition from negative...
1982
Miocene Lithofacies in Southeast Louisiana
Carl E. Thorsen FOOTNOTE
GCAGS Transactions
... plotted for each one-hundred-foot shift (Figure 4). This moving average method of plotting has the effect of smoothing the curve resulting from the plot...
1964
State of stress in the Illinois Basin and constraints on inducing failure
R. W. Lahann, J. A. Rupp, C. R. Medina, G. Carlson, and K. M. Johnson
Environmental Geosciences (DEG)
... in which a reduced deviatoric stress tensor is estimated on a regularly spaced grid. To prevent overfitting of the data, spatial smoothing...
2017
Detailed petroleum system insights using deep learning: A case study from the Scarborough Gas Field, offshore Australia
Scotty Salamoff, Julian Chenin, Benjamin Lartigue, Nguyen Phan, Paul Endresen
International Meeting for Applied Geoscience and Energy (IMAGE)
... a gaussian smoothing of 5, was applied to the extracted geobodies. The results from each network can be displayed together to illustrate the field...
2022
Yesterday, Today, and Tomorrow in Seismic Exploration
Emil J. Mateker, Jr.
GCAGS Transactions
... curve fitting of the velocity computations, smoothing, and preparation for plotting, are carried out entirely in the computer. Interval velocity...
1970
A New Permeability Prediction Workflow Using 3D Porous Media Reconstruction Method, Case Studies: Malay Basin Thin Sections
Luluan A. Lubis, Zuhar Zahir T. Harith, Khairul Arifin M. Noh, Hilfan Khairy
Indonesian Petroleum Association
... was reduced by smoothing and averaging successive rows. The result shows on the blue trends which show smoother line. Calculations for this vertical grain...
2012
A strategy for acoustic impedance direct inversion in depth domain
Ruiqian Cai, Chengyu Sun, Shizhong Li
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the initial model is obtained by smoothing the true model with a 50 50 point window. Two inversion methods, LSI and DDI, are performed on the same synthetic...
2022
High-frequency FWI velocity model building for hydrocarbon delineation
Lianping Zhang, Souvik Sengupta, Chirag Parekh, Robert Eliott-Lockhart
International Meeting for Applied Geoscience and Energy (IMAGE)
... velocity model after conditioning and smoothing is shown in Figure 1(a). Legacy anisotropy trend was taken to build a simple starting anisotropy field...
2022
Construction of 2D and 3D Models of the Kutubu Oilfield, Papua New Guinea Fold Belt
Louise Munro, Kevin Hill, Ruth Wightman
Petroleum Exploration Society of Australia (PESA)
... by triangular interpolation followed by smoothing. Then the horizons were similarly constructed, but were cut-off at the faults. For the whole model, the initial...
2015
Geographical and stratigraphical distribution of Devonian coral faunas in the USSR
V. N. Dubatolov, N. Ja. Spassky
CSPG Special Publications
... for the Givetian. In the Frasnian, the process of smoothing out of the provincial distinctions continued. Two groups of corals were developing...
1967
Operator chains and seismic data decomposition
Sergey Fomel
International Meeting for Applied Geoscience and Energy (IMAGE)
...., 2001; Yu et al., 2006; Guitton, 2004), nonstationary smoothing (Greer et al., 2018) or simply diagonal weighting (Rickett, 2003). The asymptotic...
2022
What Are You Interpreting? Your Seismic Image Could Be Misleading You!
R. T. Newrick, E. P. Gomez, J. K. Pullishy, S. D. Jensen, J. M. de Armas
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... migration algorithms smooth the velocity model upon input. We find it useful to be aware of the degree of smoothing while interpreting so that we can...
2006
High-resolution imaging using Gaussian beam point-spread-function deconvolution
Jidong Yang, Jianping Huang, Hejun Zhu, George McMechan
International Meeting for Applied Geoscience and Energy (IMAGE)
... wavenumber spectrum of Psf w (x, h) and then applying a spatial smoothing function. NUMERICAL EXAMPLES In this section, we use a field data from a land...
2023
Effect of Simultaneous Development of Non-Uniform Strata on the Process of Water Encroachment and on the Final Oil Recovery
M. L. Surguchev
Petroleum Geology: A Digest of Russian Literature
... with a right asymmetric distribution of permeability is favorable for combined working, because this will contribute to smoothing out or even reducing...
1963
Impact of full-wavefield inversion (FWI) based high-resolution model building and Q imaging on exploration and development at Guyana Stabroek
Fuxian Song, Patrick Monigle, Jia Yan, Vikas Gudipati, Xu Li, Sunwoong Lee, Sam Hemmings-Sykes, Ashlika Persaud, James Pape, Lee E Gilchriest, Amir Abdi, Emily Lalli, Anupama Venkataraman, Ramesh Neelamani, Steve Knapp, Krista Solvason
International Meeting for Applied Geoscience and Energy (IMAGE)
... understanding in the area. The initial TTI velocity model was constructed by smoothing the 2016 Tomo models and calibrated to Liza-1 and Turbot-1 well...
2023
Geothermal Exploration from Deep-Well Data
William F. Tanner
GCAGS Transactions
... adjacent parts of three or four counties, but not as much as half of any one county, could be masked entirely by the smoothing procedure. The AAPG...
1976