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The AAPG/Datapages Combined Publications Database
Showing 1,305 Results. Searched 201,044 documents.
Acquisition geometry design based on full-wavefield migration
Billy A. Revelo Obando, Gerrit Blacquire
International Meeting for Applied Geoscience and Energy (IMAGE)
... iteration. THEORY We describe 3D seismic data with the matrix notation introduced by Berkhout (1982). For each frequency component, a seismic dataset can...
2022
Imaging below Seafloor Canyons and other Rugose Features
Dominic Fell, Kiran Dyal, Tony Hallam, Sebastian Nixon
Australian Petroleum Production & Exploration Association (APPEA) Journal
... in the earth model building process. To obtain an accurate image of the deeper target levels, a modelling and data driven update of the distinctive...
2017
Prestack inversion for tight sandstone thin reservoirs based on anisotropic rapid reflectivity method
Zhen Yang, Zhenfeng Liu, Junzhou Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
..., 107416. Padhi, A., and S. Mallick, 2013, Accurate estimation of density from the inversion of multicomponent prestack seismic waveform data using...
2024
Acquisition Footprint Removal for Better Fault and Curvature Attributes, by Satinder Chopra, Kurt J. Marfurt, and Somanath Misra, #40719 (2011).
Search and Discovery.com
2011
Stepsize sharing in time-lapse full-waveform inversion
Xin Fu, Kristopher A. Innanen
International Meeting for Applied Geoscience and Energy (IMAGE)
... in iteration k , which depends on the updated model m k −1 and data residual d k −1 res in iteration k − 1 . In the steepest descent method, g represents...
2022
Abstract: Full Waveform Inversion with Phase Encoded Deconvolution Imaging Condition; #90224 (2015)
Wenyong Pan, Kris Innanen, and Gary Margrave
Search and Discovery.com
... in the n th iteration. P mean the data residuals, the difference between the observed data and synthetic data. 2 indicates the l 2 where n...
2015
Diving wave tomography: Velocity modelling using first arrival traveltime
Amatul Syafi Abdul Basit, Abdul Rahim Md Arshad, Arulini Permalu
Geological Society of Malaysia (GSM)
... particularly when seismic data has poor signal-to-noise ratio (SNR) with complex geologic settings where no clear reflector is present. Considering...
2022
Integration of geology, rock physics, logs, and prestack seismic data for reservoir porosity estimation
Abdulaziz M. AlMuhaidib, Mrinal K. Sen, M. Nafi Toksoz
AAPG Bulletin
...Integration of geology, rock physics, logs, and prestack seismic data for reservoir porosity estimation Abdulaziz M. AlMuhaidib, Mrinal K. Sen, M...
2012
Success Factors for Effective Subsurface Imaging of Overthrust Belt Legacy Seismic Data
Walt Ritchie and Mihai Popovici
Search and Discovery.com
... PSDM volumes at each stage. After each iteration, data were assessed for image quality, tie to formation top information, and curvature consistency...
2009
Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance
Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt
Unconventional Resources Technology Conference (URTEC)
... the proposed workflow for joint VTI and HTI parameter inversion workflow. The input data are prestack time-migrated CMP gathers and the initial...
2016
AAPG Memoir 76, Chapter 19: The Future of Pressure Prediction Using Geophysical Methods
Alan R. Huffman
AAPG Special Volumes
... for velocity analysis. Prestack time migration, demultiple, and other techniques are commonly required to clean up the seismic data so that it is suitable...
2001
Acoustic impedance multichannel inversion constrained by spatial reflection features
Yaming Yang, Xingyao Yin, Kun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
... seismic data shows that the proposed method is feasible and effective. INTRODUCTION Seismic inversion is a key technique for obtaining reservoir...
2023
Abstracts: Full Waveform Inversion with Total Variation Regularization; #90173 (2015)
Amsalu Y. Anagaw, Mauricio D. Sacchi
Search and Discovery.com
... from low to higher frequency. Tests with the Marmousi data set are utilized to highlight our numerical results. Introduction Full waveform inversion...
2015
POCS Method for Seismic Data Reconstruction of Irregularly Sampled Data
Elwyn J. Galloway
Search and Discovery.com
... as a method for seismic data interpolation by Abma and Kabir (2006). The basic technique applies the following projections for each iteration xk (I...
Unknown
POCS Method for Seismic Data Reconstruction of Irregularly Sampled Data
Elwyn J. Galloway
Search and Discovery.com
... as a method for seismic data interpolation by Abma and Kabir (2006). The basic technique applies the following projections for each iteration xk (I...
Unknown
Salt Geometry and Subsalt Trapping in the Enchilada Area, NE Garden Banks, Offshore Louisiana
Brad A. Robison , Rocco Detomo Jr. , R. David Garner , Arie Speksnijder , Michael J. Styzen
GCAGS Transactions
... the data. This second iteration prestack depth migration incorporated application of technologies aimed at noise reduction below salt. Migrated subsets...
1997
Beam Migration for Imaging of Complex Structures
Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki
Indonesian Petroleum Association
... - Kirchhoff prestack time migration (left) and BPSDM (right) on Beaufort Sea data. The beam migration imaged steep and overturned events. Figure 2 - BPSDM...
2009
The use of FWI in coal exploration
Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic
Petroleum Exploration Society of Australia (PESA)
... components) for shot number 10 (X=200 m) at the final iteration obs 131. A comparison between simulated seismograms in Figure 6 and observed data ( u X...
2018
Robust reconstruction via orthogonal matching pursuit with Fourier operators
Ji Li, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The data corresponds to 301-time samples and 30 × 30 midpoints extracted from a constant x− and y− offset volume. The prestack volume was NMO...
2022
Non-Linear Full-Waveform Inversion Using Geological Prior Knowledge
Search and Discovery.com
N/A
Abstract: A Newton-Raphson Iterative Scheme for Integration of Multiphase Production Data into Reservoir Model, by Z. Wu; #90911 (2000)
Search and Discovery.com
2000
Simultaneous inversion of velocity and angle-dependent reflectivity
Nizar Chemingui, Yang Yang, Jaime Ramos-Martinez, Guanghui Huang, Dan Whitmore, Sean Crawley, Elena Klochikhina, Sriram Arasanipalai
International Meeting for Applied Geoscience and Energy (IMAGE)
... the reflection angle required for constructing prestack angle gathers as follows: 𝑹 ∙ 𝛻𝑃 𝜃 = arccos( ) ‖𝑹‖ ∙ ‖𝛻𝑃‖ Figure 1 illustrates...
2023
Estimation of ocean-water temperature and salinity from marine seismic data for weather prediction and climate modeling
Dwaipayan Chakraborty, Jorlivan Correa, Matheus Mendes Ferreira de Faria, Emmanuel Oladeji, Subhashis Mallick
International Meeting for Applied Geoscience and Energy (IMAGE)
... T and S. Theory and Method Fig. 1 summarizes the data-driven approach of prestack GA inversion of Mallick and Chakraborty (2022), applied to a real seismic...
2023
2001
Iterative Stochastic Calibration of Basin Scale Migration Models
Search and Discovery.com
N/A