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Showing 19,370 Results. Searched 200,293 documents.
High-Resolution Model Building in a Full-Azimuth Nodal Survey in the GOM
Sandip Chattopadhyay, Gary Rodriguez, Tefera Eshete, Guy Hilburn, TGS
GEO ExPro Magazine
... to was the starting velocity model for the project. The velocity anisotropy. Therefore, common image gathers (CIGs) model was converted to the depth...
2016
Abstract: Automatic Event Picking Using a Probabilistic Neural Network
Troy Thompson
Petroleum Exploration Society of Australia (PESA)
... Biography Abstract utomatic p icking of events o n com mon i mage gathers has the potential to reduce the cyc le time of prestack d epth migration...
2003
ABSTRACT: Velocity-Depth Model Estimation for a Subsalt Target from the Southern Gas Basin of the North Sea, by Oz Yilmaz, Jeff Rutledge, Ottar Sandvin, and Bob Godfrey; #91019 (1996)
Search and Discovery.com
1996
Abstract: Gas Hydrate Geohazard Assessment in the Northern Gulf of Mexico Using a Vertical Line Array, by Erika Geresi, Ross Chapman, Tom McGee, and R. J. Woolsey; #90039 (2005)
Search and Discovery.com
2005
Abstract: TTI Tomography for Dual-Azimuth Data in Gulf of Mexico, by Tony Huang, Sheng Xu, Juan Wang, and Gentiana Ionescu; #90085 (2008)
Search and Discovery.com
2008
Abstract: Complex Imaging Challenges Offshore South East India, by Pranaya Sangvai, Ajoy Biswal, Mohit Mathur, Ian F. Jones, Juergen Fruehn, Phil Smith, David King, and Michael Goodwin; #90081 (2008)
Search and Discovery.com
2008
Advanced Methods to Build Complex Earth Models for Seismic Modeling
Search and Discovery.com
N/A
Abstract: Analysis of azimuthal anisotropy for multiple walkaround VSPs in an unconventional field in Saudi Arabia: A Case study; #90254 (2016)
Nestor A. Palacios
Search and Discovery.com
... components and were used to identify shear wave splitting intervals. Also, the transverse-component of common receiver gathers was analyzed to investigate...
2016
Abstract: High Resolution Diffraction Imaging of Small Scale Fractures in Shale and Carbonate Reservoirs; #90255 (2017)
Alexander Popovici, Ioan Sturzu, Tijmen Jan Moser
Search and Discovery.com
..., and Tijmen Jan Moser1 1 Z-Terra Inc. Abstract Current research in the field of seismic depth imaging has identified a new approach to image with super...
2017
Converted-Wave Prestack Time Imaging without using P-Wave
Search and Discovery.com
... on ACP (Asymptotic conversion point) gathers insteads of on CCP gathers, which affects accuracy of velocity model specially for shallow parts...
2013
Improving subsalt images using reflection FWI on WAZ data: Examples from the Gulf of Mexico
Maksym Kryvohuz, Yihua Cai, Sebastian Ramirez, Robert Schelstrate, Gislain Madiba
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The project products, including migration velocity models, seismic image, offset gathers, etc. have all been examined and evaluated. RFWI has provided...
2022
Development of deep learning method for automatic seismic first break picking
Albert Farkhutdinov, Ruslan Malikov, Izat Shahsenov
International Meeting for Applied Geoscience and Energy (IMAGE)
... learning based techniques, such as support vector machines, convolutional image segmentation, and U-Net networks, have been studied for automatic FBP (Qu et...
2024
Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)
Lynn Burroughs and Stewart Trickett
Search and Discovery.com
... of decomposed images that are summed together to create the noise-suppressed image. The smaller the rank, the harsher the filter. The exactness property...
2013
Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)
Lynn Burroughs and Stewart Trickett
Search and Discovery.com
... of decomposed images that are summed together to create the noise-suppressed image. The smaller the rank, the harsher the filter. The exactness property...
2013
Depth Imaging Through Surface Carbonates: A 2D Example from the Canadian Rocky Mountains; #41554 (2015)
Yong Hua, Don Lawton
Search and Discovery.com
... to refine the initial velocity model using common image gathers (CIGs) and segments picked on the resulting depth section. Four iterations were conducted...
2015
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
... Equation PSDM (WEM) azimuth angle gathers indicates a very weak level of overburden azimuthal anisotropy. However, we show that amplitude versus...
2014
Improved Structural Imaging of the Karama Seismic Survey Using Anisotropy Kirchhoff and Beam Depth Migration
Zbigniew Ostapiuk, Bee Jik Lim, Martin Bayly
Indonesian Petroleum Association
... consistent with the initial model. A Rapid Beam Imaging (RBI) depth migration technique (Nichols 2008) was used to produce common image point gathers...
2012
Dude, wheres my AVO? A case study from the Browse Basin, North West Shelf, Australia
Said Amiribesheli, Jordan McGlew, Joshua Thorp
Petroleum Exploration Society of Australia (PESA)
... data (Figure 4). When we compare synthetics at the well with gathers of vintage 2D, we discovered a Class III AVO on the gathers while synthetics seismic...
2019
Unlocking the potential of narrow-azimuth streamer acquisition with extended FWI and least-square RTM: A case study for an Eastern Mediterranean field
Lei Zhuo, Guojian Shan, Brian Church, Lin Christianson, Jeff Bergeron, Yue Wang, Ao Cai, Mark Fan, Megan Stearman, Jeff Fabre
International Meeting for Applied Geoscience and Energy (IMAGE)
...) More continuous reservoir structure; 4) Less swing noise and much higher S/N; and 5) Less noisy and more reliable amplitude compliant gathers...
2024
Least-squares reverse time migration: Lessons learned from recent applications in challenging areas of the Santos Basin, Brazil
Jos Rodrigues, Felipe Duarte, Danilo Domingos, Bruno Pereira-Dias, Elionardo Pintas
International Meeting for Applied Geoscience and Energy (IMAGE)
... aspect of the image domain approach is its convenience to be applied in the pre-stack version (common image gathers). In this version, the correction...
2022
Exploring the horizontal component of OBN surveys for added value to imaging
Samara Omar, Jim Simmons, Carlos Calderón
International Meeting for Applied Geoscience and Energy (IMAGE)
..., the P-wave image from the Marmousi2 Hcomponent supplements and thus reduces uncertainty in the interpretation from the vertical (Z) component reflected...
2023
Wave Equation Prestack Depth Migration for Deep Gulf Coast Prospecting, Morgan Brown, Joe Higginbotham, and Cosmin Macesanu, #90093 (2009)
Search and Discovery.com
2009
A Modeling Study for Imaging in Structurally Complex Media: Case History
Hesham Moubarak
Search and Discovery.com
... propagating in the complex medium and the most difficult structural styles to image were investigated. Eight locations in the model (see Figure 1) were...
Unknown
New Integrated Workflows for Improved Pore Pressure Prediction and Seismic Imaging
Search and Discovery.com
N/A