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The AAPG/Datapages Combined Publications Database
Showing 16,560 Results. Searched 195,387 documents.
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)
... variations. Previous studies on seismic anisotropy focus either only on either HTI or VTI. For HTI analysis, usually only near or middle offset gathers...
2016
Abstract: OBN Interferometry for Velocity Model Building in a Challenging Salt Context from Barents Sea; #91204 (2023)
Guillaume Henin, Sujith Swaminadhan, Loic Janot, Sylvain Masclet
Search and Discovery.com
... the salt flank contrast, reducing the need of a-priori in the initial velocity model. FWI was then carried on using active seismic data starting from...
2023
Abstract: Salt Velocity Model Building by Seiemic-CSEM Joint Inversion in the Red Sea; #90319 (2018)
Daniele Colombo, Diego Rovetta, Ersan Turkoglu, Gary W. McNeice, Ernesto Sandoval-Curiel
Search and Discovery.com
... analysis, such as full waveform inversion (FWI), require starting from a good initial estimate of the velocity model to enable local minimization...
2018
3D Model-Driven Subsurface QC of 4D Acquisition
Andrew Long, Bingwen Du, Barbara Kajl
Petroleum Exploration Society of Australia (PESA)
... model derived from a PSDM exercise (Figure 1) is used for 3D ray t racing, wherein the common reflection point (CRP) coverage (the 'tru e subsurface...
2002
Abstract: A Simple and Practical Way to Interpolate Sparse Velocity along Structures; #90319 (2018)
Lei Cao, Tong W. Fei, Xu Ji, Yi Luo
Search and Discovery.com
... information. Finally, the 3D velocity cube is fully populated by using the point-to-point division of the smoothed velocity using the mask. Our structure...
2018
Abstract: 3D Localized Prestack Depth Migration from Workstations, by Xiaomin Zhao, Jianming Sheng, Ying Hu, and Chengbin Peng; #90105 (2010)
Search and Discovery.com
2010
Non-First-Break Solution for Shallow Velocity Anomaly Problem; #41602 (2015)
Emil Blias
Search and Discovery.com
... velocity analysis. We see large lateral stacking velocity fluctuations increasing with depth. An initial shallow velocity model was built, using...
2015
All that wobbles isnt necessarily azimuthal anisotropy
Helen Debenham, Jennifer Badry, Mohamed Megebry
Petroleum Exploration Society of Australia (PESA)
... the pre-migration phase of the seismic processing the data was sorted to “snail” gathers for QC. These are common mid-point gathers where the traces...
2019
Abstract: Processing Challenges and Technologies of Ocean Bottom Node Survey; #90319 (2018)
Ahmed A. Alghamdi, Huang Mingzhong, Saud Aldeghaither, Constantinos Tsingas, Mamadou S. Diallo, Bader Alqarni
Search and Discovery.com
... are on seabed. After wavefield separation, the down-going dataset is binned to its common reflection point (CRP) and is redatumed to the mean sea level...
2018
A Southern North Sea Multi-Survey preSDM using Hybrid Gridded Tomography, #41592 (2015).
Ian Jones, Emma Evans, Darren Judd, Alan Campbell, Steve Elam
Search and Discovery.com
... vertical velocity contrasts. In these iterations, an additional step was performed: d) Using the updated velocity from the previous tomographic update (c...
2015
-- no title --
user
Search and Discovery.com
... on the resultant interval velocity, meaningful geologic interval velocity models are constructed. The automatic process is detailed using real and synthetic...
Unknown
-- no title --
user
Search and Discovery.com
... on the resultant interval velocity, meaningful geologic interval velocity models are constructed. The automatic process is detailed using real and synthetic...
Unknown
Abstract: AVAZ and VVAZ Practical Analysis to Estimate Anisotropic Properties; #90224 (2015)
Yexin Liu
Search and Discovery.com
... and VTI anisotropy. One method is seismic travel-time variations or velocity variations with azimuth (VVAZ) from seismic offset-gathers and another...
2015
Abstract: AVO Analysis of a 2D Seismic Line in the Malay Basin (Paper 9)
Dashuki Mohd, Idrus Mohd Shuhud
Geological Society of Malaysia (GSM)
... at every 1 km interval, Radon velocity filtering and NMO correction. The NMO corrected CMP gathers were used for AVO analysis. The AVO analysis...
1995
Application of Zero Offset 2D CRS-Stack Method for Low Fold Data: Synthetic and Real Data Examples
R. Sule, A. Hendriyana, P. D. Anggraini, Fatkhan, Alfian, Sardjito, Waluyo, Adriansyah
Indonesian Petroleum Association
... Marchetti, A. Cristini, dan G. Cardone, 2002, 3D common-reflection-surface Mann et. al, 2001, Common-Reflection-Surface Stack, Workshop on velocity model...
2009
Depth Imaging Through Surface Carbonates: A 2D Example from the Canadian Rocky Mountains; #41554 (2015)
Yong Hua, Don Lawton
Search and Discovery.com
... to refine the initial velocity model using common image gathers (CIGs) and segments picked on the resulting depth section. Four iterations were conducted...
2015
Improved Structural Imaging of the Karama Seismic Survey Using Anisotropy Kirchhoff and Beam Depth Migration
Zbigniew Ostapiuk, Bee Jik Lim, Martin Bayly
Indonesian Petroleum Association
...) fields were derived from the seismic data alone. These interval properties were derived using interactive velocity analysis with a 1D ray traced...
2012
High Resolution Pore Pressure Prediction Using AVO Inversion
Yongyi Li
Search and Discovery.com
... in over pressured zones. Traditionally, the P-wave velocity obtained through stacking velocity analysis or reflection tomographic inversion is used...
Unknown
High Resolution Pore Pressure Prediction Using AVO Inversion
Yongyi Li
Search and Discovery.com
... in over pressured zones. Traditionally, the P-wave velocity obtained through stacking velocity analysis or reflection tomographic inversion is used...
Unknown
Subsalt Imaging Below the Mahogany Salt Sill
Davis W. Ratcliff and David J. Weber
Houston Geological Society Bulletin
... and stratigraphic features below salt that trap significant hydrocarbon accumulations. By using the Mahogany salt sill area as a calibration point, we...
1995
Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey
Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham
Indonesian Petroleum Association
... technique for fast and efficient common image point (CIP) gather production for the model building loops (Nichols, 2006). These gathers were...
2011
From trash to treasure: Three-dimensional basement imaging with “excess” data from oil and gas explorations
Doyeon Kim, and Larry D. Brown
AAPG Bulletin
... 4 s, with weaker coherency recognizable even at later traveltimes. (E) Interval velocities computed from common reflection point analysis...
2019
Abstract: Support Vector Machine (SVM)-based Geostatistical Inversion: An Integrated Solution to Honor Well-log Data and Seismic Attributes; #90171 (2013)
Yexin Liu
Search and Discovery.com
... reservoir modeling at current inversion procedure, such as compressional velocity, shear velocity and density are common for AVO application. In fact...
2013
Case-3: Case Study: Use of 3D Seismic Interpretation Techniques to Define Shallow Gas Sand Reservoirs, by Susie Mastoris; #91024 (1989)
Search and Discovery.com
1989
ABSTRACT: Quantitative Seismic Analysis Using Noise Abatement in a Tight Sand Horizontal Play; #90133 (2011)
Mike Burnett
Search and Discovery.com
...ABSTRACT: Quantitative Seismic Analysis Using Noise Abatement in a Tight Sand Horizontal Play; #90133 (2011) Mike Burnett Quantitative Seismic...
2011