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The AAPG/Datapages Combined Publications Database

Showing 5,195 Results. Searched 200,619 documents.

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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

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