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The AAPG/Datapages Combined Publications Database
Showing 5,195 Results. Searched 200,619 documents.
Abstract: Velocity Model Building with Weighted Linearized Inversion A VSP Data Case Study; #90187 (2014)
Mingyu Zhang, Richard Kuzmiski, and Zhengsheng Yao
Search and Discovery.com
.... This effectively points the receiver at the source. AAPG Search and Discovery Article #90187 © CSPG/CSEG/CWLS GeoConvention 2013, Integration: Geoscience...
2014
Gabor Deconvolution: Surface-Consistent and Iterative
Search and Discovery.com
... surface-consistent. We describe here a further extension of the surface-consistent Gabor algorithm in which both source-receiver offset and midpoint...
2013
Abstract: Resolvability Analysis of Single Azimuth Seismic Moment Tensor Inversion; #90171 (2013)
Ismael Vera Rodriguez and Mauricio D. Sacchi
Search and Discovery.com
...-deviatoric sources (Vavrycuk, 2007). The complete recovering of the source mechanisms is an important aspect for the understanding of induced fracturing...
2013
High-order viscoelastic prestack seismic nonlinear frequency-dependent inversion method based on scattering matrix
Tianjun Lan, Zhaoyun Zong
International Meeting for Applied Geoscience and Energy (IMAGE)
... coefficient, and r0 is initial value, λ denotes constraint coefficient. G and d represent wavelet matrix and seismic data, respectively. If N angles...
2022
Geostatistical inversion method based on seismic waveform similarity
Xuebin Ni, Jiajia Zhang, Guangzhi Zhang, Baoli Wang, Ying Lin, Zhuofan Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the Lake wavelet is 30 Hz, and extract 4 traces of impedance data as pseudo-well data. Using the similarity coefficient of the seismic waveform...
2023
Stochastic inversion based on Von Karman random medium prior model
Longdong Liu, Baoli Wang, Ying Lin, Guangzhi Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... and . Where w t is the seismic wavelet. 1 d w t , and the 2 dt The autocorrelation function can be gotten by doing the Fourier inverse...
2024
A simultaneous wavefield separation and denoising approach for vertical seismic profile using geometric mode decomposition
Salman Abbasi, Jubran Akram, Andres Chavarria, Vikram Jayaram, Iftekhar Alam, Dmitry Borisov, Yanwei Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
...) is an effective method for analyzing nonstationary and nonlinear signals. Unlike conventional time-frequency methods such as Fourier or wavelet transforms, EMD...
2024
Outcrop Expression of Confined Channel Complexes
K. M. Campion, A. R. Sprague, D. Mohrig, R. W. Lovell, P. A. Drzewiecki, M. D. Sullivan, J. A. Ardill, G. N. Jensen, D. K. Sickafoose
Bulletin of South Texas Geological Society
... been generated using vertical incidence ray tracing and a zero-phase Ricker wavelet having a trough (red) represent a negative impedance boundary...
2003
Seismic Characterization of Large-scale Sandstone Intrusions
Mads Huuse, Joe Cartwright, Andrew Hurst, Noralf Steinsland
AAPG Special Volumes
... modeling traces using a 30-Hz Ricker wavelet. Note that a prospective sandstone may result in a bright soft, bright hard, or dim event, depending...
2007
Organic Matter Variations Within the Bakken Shales of Saskatchewan: With Implications Upon Origin and Timing of Hydrocarbon Generation; #41333 (2014)
Titi Aderoju and Stephen L. Bend
Search and Discovery.com
... shows a strong inverse relationship with total sulphur. The implication being that the presence of sulphur may influence the early generation...
2014
Acoustic approximation VTI reverse-time migration using pseudo-depth mapping method
Xinwen Zhang, Jianping Huang, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... (1983) chose the finite difference method to solve the twoway wave equations. Chang and McMechan (1987, 1994) proposed inverse time migration...
2023
Feasibility of limestone reservoirs as a carbon dioxide storage site: An experimental study
Arshad Raza, Raoof Gholami, and Mohammad Sarmadivaleh
AAPG Bulletin
... quantity and its properties and pore sizes. The system includes an inverse broadband probe fitted with a Z-axis gradient with automatic tuning...
2020
A practical approach to automate end-to-end multi-stage iterative source separation with prior framework using machine learning
Rajiv Kumar, Yousif Izzeldin Kamil Amin, Riccardo Giro, Sunil Manikani, Nam Pham, Massimiliano Vassallo, Phillip Bilsby, Tao Zhao
International Meeting for Applied Geoscience and Energy (IMAGE)
...A practical approach to automate end-to-end multi-stage iterative source separation with prior framework using machine learning Rajiv Kumar, Yousif...
2024
Full Integration of Seismic Data into Geostatistical Reservoir Modeling
P. van Riel, P. Mesdag, H. Debeye, M. Sams
AAPG Special Volumes
...-depth relationships at the wells and estimation of the seismic wavelet. The latter further requires the availability of reliable log suites...
2006
Three-Dimensional Trend Mapping Using Gamma-Ray Well Logs: Simpson Group, South-Central Kansas
J. H. Doveton , Zhu Ke-an , J. C. Davis
AAPG Bulletin
... of powers of the depth increments in the digitized record, D-1 is the inverse of this matrix, A is the "trend coefficient vector," and S is the "moment...
1984
An approach to reduce exploration risk using spectral decomposition, prestack inversion, and seismic facies classification
Carlos Jesus, Wagner Moreira Lupinacci, Patricia Takayama, Joana Almeida, and Danilo Jotta Ariza Ferreira
AAPG Bulletin
... drilling. Addison, P. S., 2002, The illustrated wavelet transform handbook: Introductory theory and applications in science, engineering, medicine...
2020
Clast Size and Bed Thickness Trends in Resedimented Conglomerates: Example From a Devonian Fan-Delta Succession, Southwest Poland
Szczepan J. Porebski
CSPG Special Publications
... main facies, including: inversely graded beds (IG), inverse-to-normally graded beds (ING), normally graded beds (NG), normally-graded-stratified beds...
1984
Issues and Approaches for Hydrocarbon Systems Analysis in Tertiary Deltas What We Have Learned: Examples from Deepwater Nigeria
L. L. Summa, S. A. Barboza, K. M. Bohacs, P. J. Mankiewicz, J. E. Neal
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... entering and leaving a trap. Source distribution and maturity, structure timing, and PVT properties of generated hydrocarbons constrain inflow...
2006
Interpreting Sediment Dispersal in Western North America from Detrital Zircon Ages; #50818 (2013)
William R. Dickinson
Search and Discovery.com
... are controlled by varying zircon fertility of different source granitoids, and proportions of DZ do not necessarily equate to proportions of total sand...
2013
Imaging the Colorado Plateau - Basin and Range Transition Zone Using Basalt Geochemistry, Geochronology and Geographic Information Systems
Reina F. Downing, Eugene I. Smith, Richard L. Orndorff, Terry L. Spell, Kathleen A. Zanetti
Pacific Section of AAPG
... of the transect. All 52 samples were used to construct inverse distance weighted (IDW) surfaces using Arc-View GIS. Arc-View plots of geochemical and isotopic...
2001
Uranium in the Phosphoria Formation
Vincent E. McKelvey, Louis D. Carswell
Utah Geological Association
... in the apatite might thus be a function of the uranium content of the source solutions and the length of time apatite was exposed to them. Beyond...
1967
Assessing Grain-Size Correspondence Between Flow and Deposits of Controlled Floods In the Colorado River, U.S.A.
Amy E. Draut, David M. Rubin
Journal of Sedimentary Research (SEPM)
... represent a simple end-member case. For these simple floods, most deposits show inverse grading that reflects coarsening suspended sediment (a result...
2013
Magnetotelluric inversion using supervised learning trained with random smooth geoelectric models
Lian Liu, Bo Yang, Yixian Xu, Dikun Yang
International Meeting for Applied Geoscience and Energy (IMAGE)
... recovery of random and blocky models. Introduction Geophysical inverse problems are usually non-linear and hardly yield a unique solution due to the limited...
2023
Sequence Stratigraphic Boundary Delineation Based on Adaptive Seismic Decomposition, #42067 (2017).
Fangyu Li, Rui Zhai, Jie Qi, Bo Zhang, Kurt J. Marfurt
Search and Discovery.com
... components. In the synthetic examples, we build four deposition cycle models: normal, inverse, inverse-normal, and normal-inverse models. The first...
2017
Umir Formation: Organic geochemical and stratigraphic assessment as cosource for Middle Magdalena basin oil, Colombia
A. Rangel, J. M. Moldowan, C. Nino, P. Parra, B. N. Giraldo
AAPG Bulletin
... hydrocarbon source rock, not previously considered as a source for MMB oil. The Umir Formation is composed of coal, coaly shale, claystone, siltstone...
2002