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The AAPG/Datapages Combined Publications Database

Showing 17,696 Results. Searched 200,357 documents.

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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 Interpreters 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

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