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The AAPG/Datapages Combined Publications Database
Showing 17,696 Results. Searched 200,357 documents.
Velocity Analysis with Prestack Migration using the S-G Method: A Unified Approach
J.P. Diet, F. Audebert, I. Huard, P. Lanfranchi, X. Zhang, M. Darbousset
CSPG Special Publications
...Velocity Analysis with Prestack Migration using the S-G Method: A Unified Approach J.P. Diet, F. Audebert, I. Huard, P. Lanfranchi, X. Zhang, M...
1994
The Evolution of FWI and its Perceived Benefits
Tony Martin, Andrew Long
Australian Petroleum Production & Exploration Association (APPEA) Journal
... analysis, estimate elastic properties and prospect derisking. Collectively, we demonstrate how to produce high-resolution velocity models when...
2019
Abstract: Practical Applications of Seismic Anisotropy; #90187 (2014)
Philip Wild
Search and Discovery.com
... and receiver gathers, from where vertical slowness (inverse velocity) and horizontal slowness values are computed for each shot/receiver pair. Finally...
2014
Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands, #41762 (2016).
Geoff Mansfield, Subhash Chandra, Peter Carver
Search and Discovery.com
... defined. Similarly, the stacking velocity analysis most often requires a temporal combination of several CMP gathers in supergathers in order to obtain well...
2016
Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands, #41762 (2016).
Geoff Mansfield, Subhash Chandra, Peter Carver
Search and Discovery.com
... defined. Similarly, the stacking velocity analysis most often requires a temporal combination of several CMP gathers in supergathers in order to obtain well...
2016
Impact of an Integrated Seismic Data Processing Approach: A Case Study in Central Sumatra
Mars E. Semaan, Eddy Murhantoro, Maryanto, Achmad Bermawi, Budi Subianto, Hari Santoso
Indonesian Petroleum Association
.... Hence, an integrated seismic data processing approach was undertaken to evaluate a proposed prospect. In this approach, Common Mid Point (CMP) gathers...
1992
Subsalt Imaging: An Integrated Approach to Image Improvement of Vintage Data, #42076 (2017).
Evans Owah, Christian Rivera, Marjolaine Lahmi, Michel Courbe
Search and Discovery.com
... leading to an improved final migrated subsalt image. The final image using reverse time migration3 (RTM) with surface offset gathers, benefitting...
2017
Next-generation resolution through multiparameter FWI imaging
Tom Rayment, James McLeman, Karen Dancer, Tim Burgess
International Meeting for Applied Geoscience and Energy (IMAGE)
... preSDM image gathers using the initial velocity, and (d) with the updated velocity. Second International Meeting for Applied Geoscience & Energy...
2022
Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data
Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin
Indonesian Petroleum Association
... seismic stack quality compared with noise attenuation in shot gathers. This study is done using synthetic data. The geometry used in the data seismic...
2017
Developing an Exploration Tool in a Mature Trend: A 3D AVO Case Study in South Texas
Mark E. Gregg, Charles T. Bukowski, Jr.
Houston Geological Society Bulletin
... than in both the encasing shales and the wet sand. Synthetic CDP gathers were modeled using the log data to predict AVO behavior and are shown in Figure...
2001
The Role of Regional Seismic Surveys in the Exploration of the North West Shelf
J. Ostby, C. Johnston
Petroleum Exploration Society of Australia (PESA)
... reflections. ¥_ INTRA BED J. Ostby & C. Johnston 213 Figure 3: Constant velocity gathers, constant velocity stack and coherency velocity analysis...
1994
Abstract: Application of Acoustic Waveform Tomography to Marine Seismic Reflection Data Contaminated with Strong Guided Waves; #90187 (2014)
Rajesh Vayavur and Andrew. J. Calvert
Search and Discovery.com
... of the processed field gathers with the modeled data, derived after forward modeling using the velocity model from travel-time tomography are shown in (Figure...
2014
Seismic Foldout: FWI Imaging Under Complex Geological Anomalies
Adriana Citlali Ramirez, Simon Baldock, Stuart Fairhead, TGS
GEO ExPro Magazine
... is the realization of full wavefield scattering analysis of the data, generating models, structural maps, and imaged attributes such as gathers and angle...
2023
Geophysical Characterization of Carbonate Reservoirs Using Advanced Interpretation Techniques: Applications to Abenaki Formation, Penobscot Block, Nova Scotia; #42083 (2017)
D. Coronel, E. Villamizar, E. Illidge, S. Khurama
Search and Discovery.com
..., shale fraction, resistivity, density, P-wave and S-wave velocity, photoelectric factor, etc. By performing rock type classification using...
2017
Abstract: Constraining Anisotropy Lessons from 2D Modeling; #90211 (2015)
Rob Holt
Search and Discovery.com
... are difficult to determine with precision. Velocity moveout and anisotropic moveout look identical on migrated gathers when reflection angles are less than 30...
2015
High Resolution Diffraction Imaging of Small Scale Fractures in Shale and Carbonate Reservoirs
Alexander M. Popovici, Ioan Sturzu, Tijmen J. Moser
Unconventional Resources Technology Conference (URTEC)
... migration output in common-image gathers, depending on offset or reflection angle, and designing a mute function to properly mute unwanted (far-offset) energy...
2015
Generalization Capability of Data-driven Deep Learning Models for Seismic Full-waveform Inversion: An Example Using the OpenFWI Dataset
Ayrat Abdullin, Umair Bin Waheed
International Meeting for Applied Geoscience and Energy (IMAGE)
... in 1D layered models using a deep neural network inspired by semblance analysis. The results show promising accuracy in estimating velocity...
2023
Seismic Foldout: The Most Advanced Datasets Offshore Barbados and T&T
Jeniffer Masi, Jeroen Hoogeveen, Nick Tanushev, John Walker, Alexander Mihai Popovici, Geoex MCG, Z-Terra
GEO ExPro Magazine
... iterations were conducted using Kirchhoff pre-stack depth migration (PSDM). Kirchhoff Migration and common image gathers: (a) produced using...
2022
Velocity for Pore Pressure Prediction Modeling and Risk Assessment
Selim Simon Shaker
GCAGS Transactions
...Velocity for Pore Pressure Prediction Modeling and Risk Assessment Selim Simon Shaker 2016 487 504 Vol. 66 (2016) Prediction of pore pressure using...
2016
Tomographic waveform inversion (TWI) applied to real seismic data
Jlio Oliva Frigrio, Biondo Biondi
International Meeting for Applied Geoscience and Energy (IMAGE)
...., and W. Symes, 2004, Angle-domain common-image gathers for migration velocity analysis by wavefield-continuation imaging: Geophysics, 69, 1283–1298, doi...
2022
High-resolution passive surface wave tomography using natural and anthropogenic noise sources in a mineral exploration context
Daniela Teodor, Charles Beard, Laura Pinzon-Rincon, Aurlien Mordret, Franois Lavou, Sophie Beaupretre, Dan Hollis, John McBride, Pierre Bou, Florent Brenguier
International Meeting for Applied Geoscience and Energy (IMAGE)
... and vehicles) noise sources, is considered for surface wave analysis. We extract surface wave dispersion curves from different virtual shot gathers...
2022
Frequency-Domain Waveform Tomography in the Foothills: Velocity Model Estimation with Synthetic Long-Offset Data
Search and Discovery.com
.... Using this dataset, we demonstrate the efficacy of Waveform Tomography in determining both the macro-velocity model and near-surface velocities...
2013
Interpretative PSDM Workflow for Solving Complex Imagery Below Faults and Carbonates Reefs in South Mahakam, Kutai Basin: An Interpreters Point of View
Cepi Muhamad Adam, Nadir Abdoun, Bertrand Duquet, Florent Bertini, Yves Le Stunff
Indonesian Petroleum Association
... model. The final velocity model has to meet 3 criteria: 1. flatness of gathers, 2. geological meaning, and 3. honour well data. * ** Total E&P...
2009
Abstract: Seismic Guided Pore Pressure Prediction In Deepwater Block Of Mahanadi Basin; #90315 (2017)
Surya Kumar Singh, Kumar Vivek, Pinaki Basu, B.K. Mangaraj, Hari Lal
Search and Discovery.com
... carried to Area-II along two north-south lines connecting Area-I and Area-II through re-picking of velocity over CMP gathers. In Area-II velocity picking...
2017
Extracting High Fidelity Geological Information From 3D Seismic and Well Data
Marianne Rauch
Unconventional Resources Technology Conference (URTEC)
... measurement of the same geological unit. Gulf Coast geoscientists have actively been using integrated seismic gathers and well logs in AVO and inversion...
2023