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The AAPG/Datapages Combined Publications Database
Showing 16,580 Results. Searched 195,538 documents.
Integrated Seismic Processing challenges in Karstified terrain of PNG Fold Belt
Search and Discovery.com
N/A
PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study
Morgan P. Brown, Joseph H. Higginbotham, Dave List, Chris Lang
Unconventional Resources Technology Conference (URTEC)
... anisotropic PSDM. Azimuthal velocity analysis using Wave Equation PSDM (WEM) azimuth angle gathers indicates a very weak level of overburden azimuthal...
2013
PSDM for unconventional reservoirs? A Niobrara Shale case study; #80405 (2014)
Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez, Dave List, Chris Lang
Search and Discovery.com
... Niobrara to within 4 feet on a new well, but we show enough variation in Thomsen δ to justify anisotropic PSDM. Azimuthal velocity analysis using Wave...
2014
ABSTRACT: A Comparison of AVO Behavior after Prestack Time Migration, Prestack Depth Migration, and Prestack Imaging, by James Allen, Carolyn Peddy, Anat Canning, Glen Denyer; #91020 (1995).
Search and Discovery.com
1995
Migration Velocity Analysis by Migration of Velocity Spectra
Craig J. Beasley, Rolf Klotz
Southeast Asia Petroleum Exploration Society (SEAPEX)
...; Extract common-velocity slices; Migrate each velocity slice with its own velocity; and Restore velocity-spectra to analysis locations...
1992
The Geophysical Aspects of Abnormal Fluid Pressures
Edward B. Reynolds, John E. May, Alf Klaveness
Houston Geological Society
... routinely using Common Depth Point (CDP) data to generate plots of root mean squared velocity versus reflection time. These same plots can also be used...
1971
Calibration of PS Shear Wave Anisotropy in a Mississippi Lime Play, North-Central Oklahoma
Scott Singleton, Shihong Chi, Lisa Sanford, Paul Constance
Unconventional Resources Technology Conference (URTEC)
... interpolation to repair these losses), and non-HTI effects such as local shear velocity perturbations and/or weathering zone variations. One point...
2016
Unconventional Play Fracture Characterization Through Orthorhombic Depth Model Building
Guy Hilburn, Amit Pendharkar, William Keller, René Mott, Jorge Peinado, Austin Jumper, Victor Kriechbaum
Unconventional Resources Technology Conference (URTEC)
... velocity function to attempt to correctly position events vertically, and an azimuthal correction may be applied to the final image gathers...
2018
Are Key Technological Changes of the Last Three Years Enough to Warrant Reprocessing? Interpolation and AVO Inversion for the Nisku at Brazeau; #41556 (2015)
Lee Hunt, Scott Reynolds, Mark Hadley, Scott Hadley, Jon Downton, Bashir Durrani
Search and Discovery.com
... the veracity of AVO Inversion products. Of particular interest is the fact that Pelletier and Gunderson’s analysis was performed on CDP gathers rather than image...
2015
Tackling data challenges in land FWI: A case study
Victor Lopez, Yun Dong Guo, QingYang Li, Bin Yu, Changhua Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... significant improvements to the velocity and seismic imaging were achieved. 4. Reflection Tomography. The initial velocity model was created using well...
2023
Abstract: Removing Blended Sources Interference Using Stolt Operator; #90224 (2015)
Amr Ibrahim
Search and Discovery.com
...) 1000 2000 3000 Figure 6 Real data common receiver gather. (a) Pseudodeblended gather. (a) Stolt model for one velocity estimated using p = 1, q = 1...
2015
Abstract: Wavefront Picking for 3D Tomography and Full-Waveform Inversion; #90319 (2018)
Abdullah A. Theyab
Search and Discovery.com
... gathers. The objective of our work is to compute a smooth initial velocity model for multiscale fullwaveform inversion (FWI). Using interactive software...
2018
Seismic-Based Volcano Identification and Characterization in HD Oilfield, Tarim Basin; #10747 (2015)
Yaonan Li, Guizhong Wang, Desheng Sun, Hongmei Zhang, Zhen Zou, Lin Yu, Sheng Cao
Search and Discovery.com
... deconvolution based on shot-receiver gathers. The major processing steps have been monitored using the geophysical and geological QC method during...
2015
The Barque Structure Offshore New Zealand: Improving the Seismic Image Using Prestack Depth Migration; #41516 (2015)
Jim Montalbetti, Jeff Beckett, Graham Hodgkiss
Search and Discovery.com
... imaging was a technology to estimate the near water bottom interval velocity of the sediments using geomechanical principles. The results showed...
2015
East Coast Canada: So How Difficult Could a 3D PreSDM Be?
Ali Karagül
Search and Discovery.com
... needed at VMB stage… 3D PreSDM To meet deadline commitments, our Velocity Model Building was started using the original, processed gathers while the data...
Unknown
East Coast Canada: So How Difficult Could a 3D PreSDM Be?
Ali Karagül
Search and Discovery.com
... needed at VMB stage… 3D PreSDM To meet deadline commitments, our Velocity Model Building was started using the original, processed gathers while the data...
Unknown
Incorporation of Geology, Wells, and Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth Model, #40828 (2011)
Huyen Bui, Peck-Hwa David Ng, Jenny Zhou, Chih-Wen Kue, Mart Smith
Search and Discovery.com
... into correct depth as well as to flatten the common image-point (CIP) gathers. Subsequently, we performed local well tomography to upscale into 3D at the well...
2011
Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)
Paul F. Anderson
Search and Discovery.com
... for the CMP gathers, the stacking velocity was used to perform a 1-D pseudo-depth conversion, which when used with the offset of the traces within...
2013
Abstract: Comparing Post-stack AVO Inversion to Prestack Inversion for Estimating Rock Properties; #90171 (2013)
Paul F. Anderson
Search and Discovery.com
... for the CMP gathers, the stacking velocity was used to perform a 1-D pseudo-depth conversion, which when used with the offset of the traces within...
2013
Abstract: Converted-wave Time Imaging Nuts and Bolts; #90187 (2014)
Shaowu Wang, Thomas Hollis, and Wayne Nowry
Search and Discovery.com
... there are more velocity fields to be updated and it is more complicated to form gathers for velocity analysis prior to PS PSTM. A AAPG Search and Discovery...
2014
Abstract: Adaptive f-xy Hankel Matrix Rank Reduction Filter to Attenuate Coherent Noise; #90174 (2014)
Nirupama (Pam) Nagarajappa
Search and Discovery.com
... compared to reflection data, some noise types such as air blast or near surface reverberations have broader bandwidth and can be higher velocity than ground...
2014
From Field Tapes to 3D Depth Volume in 2 Months
Search and Discovery.com
N/A
Seismic Foldout: Revealing a Promising New Play Concept in the Salar Basin, Offshore Canada
Yermek Balabekov, Susana Tierrablanca, Sriram Arasanipalai, Nizar Chemingui, PGS
GEO ExPro Magazine
... RELIABLE EARTH PROPERTIES Using a wave equation parameterised in terms of velocity and reflectivity removes the need for a density assumption...
2023
Resolving complex velocity and gas absorption features with full-waveform inversion in the Taranaki Basin, New Zealand
Yuelian Gong, Dominic Fell, Robert Hunn, Richard Bisley, Alexander Karvelas, Bee Jik Lim
Petroleum Exploration Society of Australia (PESA)
..., hindering the velocity model building of deeper structures if using the conventional raybased common image point (CIP) tomography method (Xie et al., 2018...
2019
Abstract: Multiple Suppression in the t-x-p Domain, by Shaunak Ghosh; #90182 (2013)
Search and Discovery.com
2013