Improved Subsurface Imaging and Interpretability Through Broadband Reprocessing of Legacy Seismic Data: Examples from North West Shelf Australia

Stephen Malajczuk, Rajesh Saklani, Dean Clark, David Eastwell

Petroleum Exploration Society of Australia (PESA)

..., such as well log information (Lindseth, 1979) or migration velocity models (Oldenburg, et al. 1984). However these sources can only produce a crude estimate...

ABSTRACT: 2D/3D Geophysical Modeling of Mezozoic Onshore Rocks and Tertiary Offshore Sediments; #90007 (2002)

A. LOWRIE, E. KOZLOV, V. HAYDUKOV, J. WATKINS, I. GARAGASH, V. MAKAROV, T. MALYAROVA

Search and Discovery.com

... migration; structural inversion and creation of 2D/3D depth velocity models; finally, basin modeling procedures (GeoDepth Power and GeoSec software products...

Seismic expressions of a Miocene prograding carbonate margin, Mut Basin, Turkey

Xavier Janson, Gregor P. Eberli, Florence Bonnaffe, Fabrice Gaumet, Vincent De Casanove

AAPG Bulletin

... frequency, seismic velocity, depth, and accuracy of the migration (Beylkin, 1985; Claerbout, 1985; Yilmaz, 1987; Ebrom et al., 1995; Vermeer, 1999...

Marchenko focusing using convolutional neural networks

Mert S. R. Kiraz, Roel Snieder

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Stefani, B. McLain, and K. Bishop, 2002, Sigsbee 2a synthetic subsalt dataset - image quality as function of migration algorithm and velocity model...

Extended Abstract: Regional Interpretation Across the Entire Gulf of Mexico Basin – A New Perspective

Brian W. Horn, Antara Goswami, Ed Haire, Barbara Radovich, Adrian McGrail, James Pindell

Houston Geological Society Bulletin

... intervals into frontier areas. The interpretation provides a comprehensive analysis and mapping of Tertiary and Mesozoic depositional systems...

Nias Basin, NW Sumatra … New Insights into Forearc Structure and Hydrocarbon Prospectivity from Long-Offset 2d Seismic Data

Ian Deighton, M. Ma’ruf Mukti, Satish Singh, Tom Travis, Anthony Hardwick, Katie Hernon

Indonesian Petroleum Association

... RADON GATHERS 159 fold    Residual noise attenuation      Zero phasing    5  1km velocity analysis      Kirchhoff pre‐stack time migration...

Abstract: How to Attenuate Diffracted Noise: (DSCAN) A New Methodology; #90211 (2015)

Ali Karagul, Todd Mojesky, XinXiang Li, and Necati Gulunay

Search and Discovery.com

... in marine seismic surveys by locating the position of such obstructions using semblance scan analysis, and then by extracting the noise from the traces...

EXTENDED ABSTRACT: Advances and Challenges in Seismic Data Processing and Imaging for Geologically Complex Areas

Rubén D. Martínez

GCAGS Transactions

...-processing steps, depth velocity model building and depth migration algorithms could not possibly deliver useful seismic depth images for structural...

Pyseis: A high-performance, user-friendly Python package for GPU-accelerated seismic modeling and subsurface imaging

Stuart Farris, Guillaume Barnier, Ettore Biondi, Robert Clapp

International Meeting for Applied Geoscience and Energy (IMAGE)

... advanced algorithms such as full waveform inversion, least-squares reverse time migration, and wave equation migration velocity analysis. Temporal...

The Cooper-Eromanga Petroleum System, Australia: Investigation of Essential Elements and Processes

B. S. Lowe-Young, S. I. Mackie, R. S. Heath

Indonesian Petroleum Association

... and vertical migration processes for significant accumulation of hydrocarbons throughout the system. The critical moment of the system has been interpreted...

Recursive Inversion and Attribute Analysis of 3D Seismic Data Over a Four-Way Dip Structure, Gulf of Thailand

S. Thanatit, S. Ronghe

Indonesian Petroleum Association

... relationship V=A(ρ)B where A and B are constants with values of 2.160 and 0.815 respectively, obtained from regression analysis with velocity measured in m...

Abstract: Structurally Related Migration Of Hydrocarbons in the Central Appalachian Basin of Eastern Ohio, by G. L. Mason and W. Grubaugh; #90930 (1998).

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ABSTRACT: Structurally Related Migration of Hydrocarbons in the Appalachian Basin of Eastern Ohio, by Greg Mason; #90154 (2012)

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Palaeohydraulic Interpretation Using Mathematical Models of Contemporary Flow and Sedimentation in Meandering Channels

John S. Bridge

Dallas Geological Society

..., Velocity profiles and bed shear stress over various bed configurations in a river bend: Earth Surf. Proc., v. 2, p. 281-294. Coleman, J. M., 1969...

Palaeohydraulic Interpretation Using Mathematical Models of Contemporary Flow and Sedimentation in Meandering Channels

John S. Bridge

CSPG Special Publications

..., Velocity profiles and bed shear stress over various bed configurations in a river bend: Earth Surf. Proc., v. 2, p. 281-294. Coleman, J. M., 1969...

ABSTRACT: An Application of Crosswell Tomography Using a Hydrophone Receiver Array and Airgun Source to Monitor Steam Migration in-an Unconsolidated, Heavy-oil Sandstone, West Coalinga Field, California, by Dale M. Blevens and John W. Fairborn; #91019 (1996)

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Abstract: Robust Localization of Passive Sources with Cross-Coherence Migration; #91204 (2023)

Yujin Liu

Search and Discovery.com

...Abstract: Robust Localization of Passive Sources with Cross-Coherence Migration; #91204 (2023) Yujin Liu Robust Localization of Passive Sources...

A Comparison of Prestack Depth and Prestack Time Imaging of the Paktoa Complex, Canadian Beaufort MacKenzie Basin

G. R. Elsley, H. Tieman

AAPG Special Volumes

... ALGORITHMConventional time migration of seismic data is based on the assumptions that seismic velocity only changes in the vertical direction and that changes in arrival...

Reservoir Modeling in the Bunyu Tapa Gas Field — an Integrated Study

Ramatias Ramli, Susanto Budi Nugroho, John Bradfield, Steve Hansen

Indonesian Petroleum Association

... modeling study is an integrated investigation of 2-D seismic data, electric logs, dipmeter, petrophysical analysis and production history data. The results...

Seismic Foldout: Offshore Brazil: Reducing Risk with Regional 3D Reprocessing

Andrew Hartwig, TGS

GEO ExPro Magazine

...: Reducing Risk with Regional 3D Reprocessing Kirchhoff migration, seismic cross section of Picanha Phase 7 with velocity model overlay in Santos Basin. 30...

STRUCTURAL INTERPRETATION OF THE SOUTHERN HALF OF THE SAWTOOTH SALIENT OF THE MONTANA DISTURBED BELT

Stephen P. Gardner, Jonathan M. Achuff

Montana Geological Society

... the structure within the transfer zones. Geometric and kinematic analysis of the fault transfer zones indicates that displacement on adjacent...

Developing a robust geologic conceptual model using pseudo 3-D P-wave seismic reflection data

Adrian D. Addison, Michael G. Waddell, Camelia C. Knapp, Duke T. Brantley, John M. Shafer

Environmental Geosciences (DEG)

... before the velocity analysis.After achieving an acceptable level of noise reduction in the prestack data, a velocity analysis was performed to obtain...

Effects of liquefied beds on the basal layers of turbidity currents

Débora Karine Koller, Carolina Holz Boffo, Tiago Agne De Oliveira, Rafael Manica

Journal of Sedimentary Research (SEPM)

... of 61.4 μm and 62.1 μm, respectively. Settling-Velocity Analysis From particle-settling measurements, an exponential relationship was found between...

Abstract: High-Resolution Prestack Sub-Basaltic Imaging, by A. Druzhinin and C. Macbeth; #90923 (1999)

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Reflection waveform inversion regularized with structural constraints and scattered data interpolation

Chengliang Wu, Huazhong Wang, Bo Feng, Ting Lei, Rongwei Xu, Shen Sheng

International Meeting for Applied Geoscience and Energy (IMAGE)

... migration component. When the initial model is not accurate enough, the FWI gradient primarily updates the high-wavenumber velocity disturbances...