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The AAPG/Datapages Combined Publications Database
Showing 4,277 Results. Searched 200,357 documents.
Using Multiazimuth Seismic Data for Anisotropy Estimation in an Unconventional Reservoir
Surabhi Mishra
Petroleum Exploration Society of Australia (PESA)
... of reservoir is to understand these proxies to predict production behaviour. Natural fracture density and azimuth, as well as horizontal stress azimuth...
2018
Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology
Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia
Indonesian Petroleum Association
... are the key to the success. The Bekapai OBC acquisition has produced a high fold coverage and good quality wide azimuth 4C dataset. Dedicated...
2014
Assessment of a Marcellus Shale Prospect Using Seismic, Microseismic, and Completions Data
Scott Singleton, Mark Suda
GCAGS Transactions
... derived interval velocities using azimuthally sectored volumes (Tsvankin, 1997). This is performed to derive the azimuth of the fracture strike (φ...
2012
Bigger is Better Hydraulic Fracturing in the Williams Fork Formation in the Piceance Basin
Leen Weijers, Yusuf Kama, Julie Shemeta, Stephen Cumella
Search and Discovery.com
... allows accurate calculation of the position of events detected during the fracture treatment. The calibrated (horizontal) layer velocities for various...
2009
Migration Velocity Analysis by Migration of Velocity Spectra
Craig J. Beasley, Rolf Klotz
Southeast Asia Petroleum Exploration Society (SEAPEX)
... reasonably be met, even for large 3-D surveys. Migration velocity estimates are typically based on stacking velocities obtained from dip moveout (DMO...
1992
Pre-Stack Imaging: Time or Depth? (Paper 25)
Carl Notfors, Peter Whiting, Geoff Mansfield
Geological Society of Malaysia (GSM)
... accurate estimation of the diffraction surface. Conventional normal-moveout (NMO) is a second-order approximation to the true moveout curve...
2000
Unconventional Play Fracture Characterization Through Orthorhombic Depth Model Building
Guy Hilburn, Amit Pendharkar, William Keller, René Mott, Jorge Peinado, Austin Jumper, Victor Kriechbaum
Unconventional Resources Technology Conference (URTEC)
... velocity anisotropy can be seen in full azimuth seismic datasets as differential azimuthal moveout in image gathers. The typical seismic industry...
2018
Extracting Meaningful Estimates of Rock Properties from 3-D Anisotropic Velocity Models Derived from Borehole Microseismic
Scott Taylor, Jeremy King, Ben Schaeffer, Todd Hibbitts, Lucas McGreaham, Khaled Ghuneim
Unconventional Resources Technology Conference (URTEC)
..., velocities and earth models remain the key challenge for high confidence (low-risk) depth prediction. We need to extract more value from microseismic...
2016
Abstract: AVAZ and VVAZ Practical Analysis to Estimate Anisotropic Properties; #90224 (2015)
Yexin Liu
Search and Discovery.com
... and VTI anisotropy. One method is seismic travel-time variations or velocity variations with azimuth (VVAZ) from seismic offset-gathers and another...
2015
High-resolution elastic full-waveform inversion using ocean-bottom nodes in Santos Basin, Brazil
Marilia Carneiro, Nathalia Ladeira Casado, Juliana Igarashi da Cruz, Pedro Barros, Chirag Parekh, Emmanuel Saragoussi, Bernardo Quijano
International Meeting for Applied Geoscience and Energy (IMAGE)
...., 2010). The workflow incorporates residual moveout (RMO) multi-parameter picks from down going wavefield with 12 azimuth ranges covering the full 360...
2024
High-End Model Building Techniques for Revealing a Pre-Carbonate Reservoir Offshore East Natuna Basin, Indonesia
Jun Wang, Yonghe Guo, Yitao Chen, Muhammad Nauvall Juliansyah, Nick Crabtree
Indonesian Petroleum Association
... (FWI) is the natural choice for building velocity models in areas of complex structures. However, narrow-azimuth (NAZ) streamer data with limited offsets...
2023
Abstract: Practical Implementation of SRME for Land Multiple Attenuation; #90187 (2014)
Juefu Wang and Shaowu Wang
Search and Discovery.com
... higher moveout parameters in tau-p domain compared with primaries at the same time level (Hampson, 1987; Sacchi and Ulrych, 1995). A successful separation...
2014
Seismic Foldout: New plays in Southern Santos Basin revealed by large-scale, high quality 3D Multi-Client seismic
Milos Cvetkovic, Francisco Colina, TGS
GEO ExPro Magazine
.... For Fast Track model building, we are updating Vp model with reflection-based tomography using non-parametric moveout picker and invert for global, dip...
2024
Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)
Peter W. Cary, Albert Zhang
Search and Discovery.com
... moveout on the NMO-corrected gathers. The converted-wave prestack migration algorithm needs to account for the different intrinsic VTI anisotropy...
2015
Key Aspects of Multi-Azimuth Acquisition and Processing
James Keggin, Ted Manning, Walter Rietveld, Chris Page, Eivind Fromyr, Roald van Borselen, Mazin Farouki
Indonesian Petroleum Association
...Key Aspects of Multi-Azimuth Acquisition and Processing James Keggin, Ted Manning, Walter Rietveld, Chris Page, Eivind Fromyr, Roald van Borselen...
2008
Machine learning-based residual moveout picking
Farhad Bazargani, Wenjun Zhang, Anu Chandran, Zaifeng Liu, Harry Rynja
International Meeting for Applied Geoscience and Energy (IMAGE)
...Machine learning-based residual moveout picking Farhad Bazargani, Wenjun Zhang, Anu Chandran, Zaifeng Liu, Harry Rynja Machine learning-based...
2022
Hybridised Weighted Boot-Strap Differential Semblance
Hamish Wilson, Lutz Gross
Petroleum Exploration Society of Australia (PESA)
.... It requires the picking of moveout velocities on the semblance spectra. The semblance spectra is hampered with noise and lack of resolution around...
2016
P-Wave Azimuthal Anisotropy and Its Application in Sandstone-Conglomeratic in Yani Oil Field
Zha Chaoyang, Shen Shuirong, Hairunnisa, Xia Tianfang
Indonesian Petroleum Association
...). Geological Setting An AVAZ (amplitude vs. azimuth) feature has been successfully applied to detect fracture orientation and density. To quantitatively...
2008
Integrated Interpretation of Seismically Derived Rock and Fracture Attributes for Shale Gas Reservoir Characterization
Gang Yu, Yusheng Zhang, Xing Liang, Uwe Strecker, Maggie Smith
Unconventional Resources Technology Conference (URTEC)
... elliptical velocity inversion indicates that anisotropy varies horizontally and vertically, and that it is dominantly controlled by stress azimuth, which...
2014
The Fabric, or Internal Structure, of Rocks The Patterns of Anisotropy; #42188 (2018)
Heloise B. Lynn
Search and Discovery.com
... the azimuth-dependent velocities and builds the ORT velocity field from the observed travel times. There are other methods for preserving azimuth...
2018
Pressure prediction using converted shear waves from OBN data: A rock physics approach
Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser, Terence Krishnasami
International Meeting for Applied Geoscience and Energy (IMAGE)
... pressure prediction methods use P-wave velocities. While it is common to collect good quality shear wave data in deep-water assets such as ocean...
2023
Abstract: Azimuthal Anisotropy as a Potential Fracture Diagnostic from 3D Surface Seismic Data: Example from Wildcat Hills, Alberta; #90211 (2015)
Draga Talinga and Don Lawton
Search and Discovery.com
..., Alberta, Canada Abstract In azimuthally anisotropic media, normal-moveout velocity is represented as an ellipse in the horizontal plane...
2015
PS reflection-based full-waveform inversion using single-mode propagator
Yongbo Zhai, James Xu, James Rickett, Peng Wang, Xin Cheng, Denes Vigh, Suyang Chen, Cara Smith
International Meeting for Applied Geoscience and Energy (IMAGE)
... of weak TI anisotropy, we express the dependence of P and S velocities in terms of the angle from the symmetry axis (Thomsen, 1986): 𝑣 2 ≈ 𝑣 2 [1 + 2ε...
2024
Angle Gathers for Gaussian Beam Depth Migration, #41593 (2015).
Samuel Gray
Search and Discovery.com
... and rock properties. On common-midpoint (CMP) gathers of unmigrated data, this information has come from moveout and amplitudes. Moveout, the behavior...
2015
Monument Butte 3DReprocessing case study in Uinta Basin
Mitch Preston, Xinxiang Li, Seth Berman, Phillip Keith, Christopher Egger, Josef Heim, Nebojsa Pralica, David Brookes, James Beck
International Meeting for Applied Geoscience and Energy (IMAGE)
... amplitude and azimuth-friendly workflow. The sequence includes multiple iterations of surface consistent amplitude balancing and surface consistent...
2022