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The AAPG/Datapages Combined Publications Database
Showing 31,989 Results. Searched 195,705 documents.
Can Sparse OBN Equal Savings and Data Quality?
Yannick Cobo, Rodrigo Felicio, Carlos Calderon, Paul Farmer, ION
GEO ExPro Magazine
... velocity oscillations in both the salt and pre-salt sections, more evident in the case of 2 km receiver spacing. Thus, decreasing the number of nodes...
2021
Abstract: Ground penetrating radar and seismic methods applied to detection of windows in the clay aquitard overlying the Fredericton Aquifer
J. A. Paasche, T. Gilman, K. E. Butler
Atlantic Geology
... that can be used to determine the subsurface features at a site. These methods utilize changes in material properties (e.g. density, velocity, dielectric...
2000
ABSTRACT: More Data More Surprises; #90017 (2003)
Nezar A. Talhah, Mohammad I. Faqira, Turki Z. Rowaili
Search and Discovery.com
... Cretaceous time. 2) A layer cake depthing approach used Shu'aiba Formation (Lower cretaceous) as a hanging horizon. Different velocity approaches were...
2003
Inflation of Ponded, Particulate Laden Density Currents
Robert M. Dorrell, Marco Patacci, William D. McCaffrey
Journal of Sedimentary Research (SEPM)
...: Journal of Sedimentary Research, v. 64, p. 233–246. Haughton, P.D.W., 2001, Contained turbidites used to track sea bed deformation and basin migration...
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
Abstracts: The Conventional and Non-conventional Seismic Differencing; #90173 (2015)
Vanja Vracar and Robert J. Ferguson
Search and Discovery.com
... velocity models in time-lapse and through finite-difference algorithm deliver 2D synthetics. The synthetics are migrated and differenced. Migration...
2015
High-fidelity full-waveform imaging via impedance inversion
Feng Chen, Yu Zhang, Lian Duan, Weishan Han, Yilong Qin, Qianggong Song
International Meeting for Applied Geoscience and Energy (IMAGE)
... present a full waveform imaging method based on trueamplitude migration that inverts both velocity and impedance models. Within the context of full...
2023
The Geophysicists' Bane: Multiple Suppression on the North West Shelf
C. R. T. Ramsden, M. R. Hobson, R. Cooper
Petroleum Exploration Society of Australia (PESA)
..." is reduced by the strong acoustic impedance contrast between the waterlayer and the hard waterbottom, or shallow low velocity sediments and the underlying...
1988
Abstract: Geometry Controlled PSDM Tomography; #90300 (2017)
Camilo González, D. Gutierrez, C. Becerra, F. Vivas, N. Espindola
Search and Discovery.com
... of velocity model update through migration velocity analysis (MVA). Usually the velocity model is refined at the end of each cycle of MVA based...
2017
The Global Offset Seismic Approach: Improving Seismic Imaging In Complex Geological Settings
Paolo Dell'Aversana
Petroleum Exploration Society of Australia (PESA)
... as a valid support for static corrections, velocity analysis and migration. Pre-stack depth migration (PSDM) The CMP gathers were used as an input for a PSDM...
2004
Reservoir Engineering Aspects in Site Characterization, Short-Term Modeling, and Long-Term Fate of CO2 in Carbon Dioxide Geosequestration
Josh Qiang Xu, Geoff Weir, Lincoln Paterson, Sandeep Sharma
AAPG Special Volumes
... have big impacts on the migration pathway. Figure 2a and b show the difference. In the high-permeability and low shale content case, CO2 migrates...
2009
Backset Bedding Developed in Shooting Flow in Laboratory Experiments: NOTES
Alan V. Jopling , Everett V. Richardson
Journal of Sedimentary Research (SEPM)
... to the direction of current flow. Power postulates that the origin of the backset beds is related to the upstream migration of antidunes in an aggrading...
1966
Geometry, Flow, and Sediment Transport of Alluvial Deposits Induced By Topographically Driven Flow Expansions
Luca Sittoni, Chris Paola, Vaughan Voller
Journal of Sedimentary Research (SEPM)
... in a flow field that maintains large angles of expansion with roughly constant flow velocity downstream. Fig. 15. Flow field resulting from the numerical...
2014
Abstract: Model Parametrization Strategies for Newton-Based Acoustic Full Waveform Inversion; #90224 (2015)
Amsalu Y. Anagaw
Search and Discovery.com
... as compared to the case of velocity parameterization. As a result the deeper parts of the model would be properly reconstructed and superior...
2015
High-Density Mud Suspensions and Cross-Shelf Transport: On the Mechanism of Gelling Ignition
Jochen Kämpf, Paul Myrow
Journal of Sedimentary Research (SEPM)
... that the dispersions received their entire sediment load from local resuspension of surface mud. Flocculation is ignored, and a constant maximum floccule size...
2014
Improving Petroleum System Analysis with Better Understanding of Seismic Input Uncertainties, #41235 (2013)
Ling Duan, Jianchang Liu, Richard Eisenberg
Search and Discovery.com
... velocity model building, time / depth conversion, amplitude characteristics and their implication on the lithological composition of formations, attribute...
2013
Coastal Processes and Nearshore Sand Bars
Richard A. Davis, Jr., William T. Fox
Journal of Sedimentary Research (SEPM)
..., wind velocity, breaker height, and longshore currents. Of the 18 variables measured, barometric pressure appears to provide the best index for changes...
1972
An Experimental Study of Subaqueous Slipface Deposition
Ralph E. Hunter, Gary Kocurek
Journal of Sedimentary Research (SEPM)
... that Sa is related to current velocity over the brink; Sa appears to be a direct function of rate of bedform migration, Vb, which for a given H...
1986
EXTENDED ABSTRACT: Advances and Challenges in Seismic Data Processing and Imaging for Geologically Complex Areas
Rubén D. Martínez
GCAGS Transactions
... to provide not only accurate velocity models for migration but also be able to account for velocity anisotropy, in this case, TTI (tilted transverse isotropy...
2011
Abstract: Using Gravity Modeling to Enhance Salt Interpretation and Influence Pre-stack Depth Migration, by M. C. Hanna, A. McGrandle, J. Jeager, and P. Houghton; #90923 (1999)
Search and Discovery.com
1999
Abstract: Near-surface Velocity Modeling through a Computationally Efficient Implementation of 1.5D Laplace-Fourier Full Waveform Inversion; #91204 (2023)
Apostolos Kontakis, Diego Rovetta, Daniele Colombo, Ernesto Sandoval-Curiel
Search and Discovery.com
... of the velocity model used. For a successful migration, the velocity model must track accurately enough the complexities of the near-surface. We developed a fast...
2023
Retrieving Amplitude Absorption From Gas Cloud Effect In Deep Water Play, Gulf Of Mottama, Offshore Myanmar
Search and Discovery.com
N/A
ABSTRACT: 3-D Seismic Lithologic Modeling to Delineate Rapidly Changing Reservoir Facies: A Case History from Alberta, Canada, by Valery Gelfand, Gary Taylor, Jon Tessman, and Ken Larner; #91043 (2011)
Search and Discovery.com
2011
3D Multiple Attenuation for a Deep Reservoir Case Study
Search and Discovery.com
N/A
Three-Dimensional Depth Imaging of Seismic Data to Assess Subsurface Geology in Northern Utah and Southwestern Wyoming
Alvin K. Benson
Utah Geological Association
... lateral velocity variations in the rocks and the importance of using depth imaging versus conventional time imaging of seismic data when mapping complex...
1999