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The AAPG/Datapages Combined Publications Database
Showing 16,595 Results. Searched 195,689 documents.
Time-Lapse WAW VSP Imaging of an Unconventional Reservoir Using DAS Fiber Optics
J. Andres Chavarria, Dan Kahn, David Langton, Steve Cole, Xinyang Li
Unconventional Resources Technology Conference (URTEC)
... changes due to fracturing (Byerley et al, 2018, Binder et al., 2018, Hull et al. 2019) using different analysis techniques. Of particular interest...
2019
Seismic diffraction imaging for improved coal structure detection in complex geological environments
Binzhong Zhou, Weijia Sun
Petroleum Exploration Society of Australia (PESA)
..., Barcelona, Spain, 14 - 17 June 2010. Landa, E., and S. Fomel, 2008, Separation, imaging, and velocity analysis of seismic diffractions using migrated...
2018
3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs
Antonio C.B. Ramos, T.L. Davis
Rocky Mountain Association of Geologists
... better offset and azimuth distribution than single C M P gathers, which contributes for improved velocity and amplitude analysis. After two passes...
1997
A Nigerian Renaissance: Renewed interest in Africa's largest oil producer
John Balch, Matt Lamont, Polarcus, DownUnder GeoSolutions
GEO ExPro Magazine
... NG03 3D dataset has been reprocessed by DownUnder GeoSolutions from field tapes through to Kirchhoff depth migration, using high-resolution reflection...
2014
Abstract: Correlation of P-P and P-S Data in Yinggehai Basin, South China Sea; #90171 (2013)
Jinfeng Ma, Le Gao, and Igor Morozov
Search and Discovery.com
... to calibrate the P-S seismic section, we estimated the initial P-S average velocity by using the β/α ratio obtained from the CCP velocity analysis...
2013
Abstract: Prestack Signal Enhancement by Non-hyperbolic MultiFocusing; #90187 (2014)
Evgeny Landa, Alex Berkovitch, and Kostya Deev
Search and Discovery.com
... of the enhanced gathers for the true velocity model. Figure 4a shows the PSDM result using the original gathers. Figure 4b is a depth section obtained from...
2014
Abstract: LSPSM for Pre-and Poststack Time Lapse Studies; #90187 (2014)
Abdolnaser Yousefzadeh and John C. Bancroft
Search and Discovery.com
... for elastic parameters to track the thermal front of an in situ combustion project. Ignoring the effect of other differences, a key point in comparing two...
2014
Visco-Acoustic Full-Waveform Inversion: A Case Study to Resolve High-Resolution Shallow Channel Absorption, Offshore Indonesia
Jun Wang, Yonghe Guo, Putri Supriandini, Kelik Moersidin, Rahmad Hidayat
Indonesian Petroleum Association
... velocity model building, while Q estimation for shallow channels is still a challenge. Ray-based Q tomography, using frequency-dependent amplitude decay...
2022
Abstract: Cenozoic Uplift and Erosion of the Barents Sea Region - Timing, Causes and Implications, by Jan Inge Faleide; #90177 (2013)
Search and Discovery.com
2013
Risk Reduction on the Ivory Prospect via Geologically Constrained Non-Parametric Inversion and Bayesian Uncertainty Estimation on a Fault-Bounded Reservoir, #11039 (2018).
James Raffle, Thomas Earnshaw, Stuart Greenwood, Jeet Singh, Juergen Fruehn, Claudia Hagen, Ian F. Jones, Rodrigo Felicio, Zhijiang Luo, Doug Sassen, Svein Idar Forsund, Mark Ackers, Lars Aamodt
Search and Discovery.com
... and deghosting technology. From this final migrated volume, structural uncertainty was then estimated using a Bayesian statistical analysis of the tomographic...
2018
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
.... Strauss, and P. R. Levitt, 1994, Detection of gas in sandstone reservoirs using AVO analysis: A 3-D seismic case history using the Geostack technique...
2012
Random Noise Example
M. S. Howard and S. H. Danbom
AAPG Special Volumes
... in this figure is common to the industry (elevation static corrections, sort to common-depth-point gathers, normal velocity moveout corrections, etc...
1983
Abstract: Migration Velocity Analysis Using the Common Image Cube, by Saleh M. Al-Saleh; #90105 (2010)
Search and Discovery.com
2010
Abstract: Near-surface S-wave Velocity from an up Hole Survey using Explosive Sources; #90187 (2014)
Saul E. Guevara, Gary F. Margrave, and William M. Agudelo
Search and Discovery.com
...Abstract: Near-surface S-wave Velocity from an up Hole Survey using Explosive Sources; #90187 (2014) Saul E. Guevara, Gary F. Margrave, and William M...
2014
Seismic Guided Drilling (SGD*): A New Technology for Look-Around and Look-Ahead of the Bit Prediction During Drilling
Nader C. Dutta, Sherman Yang, Jianchun Dai, Aranya Bhaduri, S. Chandrasekhar, Firoze Dotiwala, C.V. Rao
Indonesian Petroleum Association
... velocity, an essential ingredient for Migration to produce an Image, is based on the “flattening of seismic gathers” criterion. While this criterion...
2012
ABSTRACT: Evolution of a Near-Surface Model in an Area of Complex Topography; #90051 (2006)
Michael L. Pittman, Ralph Bridle, Robert E. Ley, II, Ameera A. Mustafa
Search and Discovery.com
... corrections. In a study area, jebels, wadis, and sabkhas generate large velocity contrasts. The 2D seismic lines were modeled with a single layer velocity model...
Unknown
Evolution of a Near-Surface Model in an Area of Complex Topography
Search and Discovery.com
N/A
Fault Interpretation Problems in the Southeast Barrow Sub-Basin
R. K. Whyte
Petroleum Exploration Society of Australia (PESA)
... gathers and are therefore likely to be at odds with the regional velocity trend. They are also mute dependent, requiring re• analysis after each mute...
1994
Abstract: Understanding the Effect of Near-surface Extreme Velocity Heterogeneities on the Seismic Data in the Arid Environment Through High-fidelity Outcrop-based Models; #91204 (2023)
Ahmad Ramdani, Ilya Silvestrov, Yazki Ibrahim, Andrey Bakulin
Search and Discovery.com
...Abstract: Understanding the Effect of Near-surface Extreme Velocity Heterogeneities on the Seismic Data in the Arid Environment Through High-fidelity...
2023
Abstract: Trace Interpolation and Elevation Statics by Conjugate Gradients; #90172 (2014)
Marcus Wilson, Robert J. Ferguson
Search and Discovery.com
... is computed using an assumed velocity model and the wavefield at depth is derived using weighted damped least squares. This method is used to correct common...
2014
Processing the KTK 3D seismic Survey for Azimuthal Information: San Joaquin Basin, California; #41649 (2015)
M. Lee Bell and Gary Myers
Search and Discovery.com
..., surface-consistent amplitude scaling, and two iterations of velocity analysis and reflection statics. After this pre-stack migration velocity analysis...
2015
Improving AVO Fidelity by NMO Stretching and Offset Dependent Tuning Corrections, #41574 (2015).
Yong Xu, Satinder Chopra
Search and Discovery.com
... gathers causes problems in AVO. Coupled with the degrading action of wavelet stretching is offset dependent tuning for thin beds. Even though tuning...
2015
Abstracts: Seismic Anisotropy of the Marcellus Shale: Feasibility Study for Fracture Characterization; #90173 (2015)
James Gaiser, Alvaro Chaveste, Mary Edrich, Tony Rebec, and Richard Verm
Search and Discovery.com
... can be determined from common-receiver gather (CRG) stacks or prestack time migration (PSTM) image gathers of offset-vector tile (OVT) data. Vertical...
2015
Abstract: Robust Surface-Consistent residual Statics and Phase Correction Part 1; #90224 (2015)
Nirupama Nagarajappa and Peter Cary
Search and Discovery.com
.... After statics and phase correction, the phase variation of wavelet is consistent over neighboring CDPs. On the analysis of CDP gathers, we also note...
2015
Shear Velocity Prediction and its Rock Mechanic Implications, #41296 (2014)
Yexin Liu, Zhuoheng Chen, Kezhen Hu
Search and Discovery.com
... velocity and density can be inverted using current advanced pre-stack seismic inversion technique from seismic AVO angle gathers (Russell et al. 2005). Like...
2014