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The AAPG/Datapages Combined Publications Database
Showing 17,276 Results. Searched 200,357 documents.
Characterization and simulation of transverse noise waves of a multisensor solid streamer
Viktor Smirnov, A. Sourice, J. Ribette, J. Mars, P. Herrmann
International Meeting for Applied Geoscience and Energy (IMAGE)
... on their slowness [Ozdemir 2012] with a fine digital spatial sampling of 0.7 m [Goujon 2019] to avoid aliasing issues. Compared to conventional 12.5 m...
2022
Current and future multicomponent towed streamer design
Nicolas Goujon, Susanne Rentsch, Leendert Combee, Fabien Guizelin, Khairul Faizi Ahmad
Petroleum Exploration Society of Australia (PESA)
...-tension case has more severe implications for the required sampling if one wants to avoid the noise aliasing back into the signal cone. The platform...
2019
A simultaneous wavefield separation and denoising approach for vertical seismic profile using geometric mode decomposition
Salman Abbasi, Jubran Akram, Andres Chavarria, Vikram Jayaram, Iftekhar Alam, Dmitry Borisov, Yanwei Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... in FK spectrum prohibits effective separation (Kommedal et al., 1989). FK filtering is also susceptible to aliasing when spatial sampling of receivers...
2024
Abstract: Improving Reservoir Imaging with Time-Lag Fwi in the Partitioned Zone Between Kuwait and Saudi Arabia; #91204 (2023)
Art Petrenko, Trevor Coulman, Guangfu Shao, Ibrahim Hakam, Mohammed Almutairi, Sujoy Ghose, Kai Zhang
Search and Discovery.com
... shot and receiver spacing in the survey prevented aliasing of surface waves [2] and helped to ensure their effective attenuation, as discussed below...
2023
Three Dimensional Exploration in California — A Case History
E. T. Selby
Indonesian Petroleum Association
... be sufficiently small to prevent spatial aliasing and this implies that the three dimensional survey must provide data with a line spacing which is of the same...
1977
PWD-PINN: Slope-assisted seismic interpolation with physics-informed neural networks
Francesco Brandolin, Matteo Ravasi, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Moreover, as PINNs learn a direct mapping from spatial coordinates to wavefield amplitudes, the network itself can act as a generic function...
2022
Unconventional Processing for 3D Data: A 1993 Case History
Claude Eizlini, Jacques Bonnafe, Bugi Kamil, Gilles Bitoun
Indonesian Petroleum Association
.... and Klotz, R., 1991. Equalization of DMO for irregular spatial sampling. Presented at the 62nd Annual International SEG meeting. Beasley, C. and Klotz, R...
1994
Chapter One: Introduction to AAPG Memoir 42/SEG Investigations in Geophysics, No. 9, 7th Ed.
Alistair R. Brown
AAPG Special Volumes
... but not together as a 3-D volume. If the sampling theorem is not satisfied the data are aliased. In the case of a dipping event, the spatial sampling...
2011
Modern Marine 3D Seismic Acquisition - Technical Considerations
Chris Walker
Petroleum Exploration Society of Australia (PESA)
... impact on the economics of the survey. In many instances simple analysis of the spatial sampling necessary to avoid aliasing of reflection energy has...
1997
Source location using physics-informed neural networks with hard constraints
Xinquan Huang, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... for focusing energy at microseismic source locations under the premise of timereversal imaging. However, the imaging process is prone to aliasing problems...
2022
Three-Dimensional Hydrogeologic Characterization of Fractured Carbonate Aquifers Using Ground-Penetrating Radar
Georgios P. Tsoflias, John M. Sharp, Jr.
GCAGS Transactions
...------------------------ trace spacing, necessary to prevent spatial aliasing, was determined to be 0.2 m and 0.1 m for the 100 MHz and 200 MHz profiles...
1998
Parsimonious Deconvolution
Jon F. Claerbout
Southeast Asia Petroleum Exploration Society (SEAPEX)
... because the stepout from trace to trace caused spatial aliasing. A more satisfactory presentation of the data is to perform time shifts which reduce...
1980
Realistic synthetic data generation using neural style transfer: Application to automatic fault interpretation
Min Jun Park, Joseph Jennings, Bob Clapp, Biondo Biondi
International Meeting for Applied Geoscience and Energy (IMAGE)
... the NST process. For example, even though the aliasing caused by poor spatial sampling tends to diminish in amplitudes with depth, we can clearly see...
2022
Illuminating Resolution
Paul Wood
GEO ExPro Magazine
... sampled. Noise caused by spatial aliasing – not recording sufficiently often Towards the end of the 1990s, WesternGeco, now a Schlumberger company after...
2011
Uncertainty quantification for full-waveform inversion with a mini-batch gradient-based sampling method
Zeyu Zhao, Mrinal K. Sen
International Meeting for Applied Geoscience and Energy (IMAGE)
... spatial aliasing, the test with the gradient smoothing is to investigate whether smoothing would help regularizing the sampling process. Each test samples...
2022
Maximizing imaging resolution and amplitude fidelity of low-dip stratigraphic traps through continued optimization of seismic acquisition and processing: A case study from the Guyana South East Stabroek Block
Yaxun Tang, Fuxian Song, Lorie Bear, Mark Widmer, Luke Wilson, Vikas Gudipati, Rishi Bansal, Steve Knapp, Chunshou Xia, Wei Zhao, Yu Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
... angle stacks (Figure 4). Interpolating data to a dense grid (6.25 m x 6.25 m at 2 ms) prior to input for SRME mitigated spatial aliasing in multiple...
2023
Acoustic approximation VTI reverse-time migration using pseudo-depth mapping method
Xinwen Zhang, Jianping Huang, Zhenchun Li
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The interpolated velocity field is used for the following forward modeling and migration to avoid spatial aliasing, the interval 𝛥𝜏 should follow...
2023
A Comparative Study of 3-D Noise Attenuation Techniques
Daniel Wheaton, Yendri, Kusnarya
Indonesian Petroleum Association
... to be optimal, the filtering should be run first in the domain where the noise is most organized or is least aliased due to spatial sampling. In the case...
1996
Noise logging of oil-water flow through an AICD
Peyman Moradi, Katie Walker, Limin Song, Bryce Campbell, Brian Seabrook, Ricardo Garza
International Meeting for Applied Geoscience and Energy (IMAGE)
... in the monitoring of oil and gas wells, especially in the spatial allocation of production (or injection) between contributing zones. In this regard, noise...
2024
What lies beneath? Prospecting for Hydrocarbons under a metamorphic allochthon, Timor-Leste
M. Bucknill, Brendan Duffy, Jason Noble, Alex Berkovitch
Petroleum Exploration Society of Australia (PESA)
... framework and discrete observations of structuring, there remains a lack of clear evidence to support the stratigraphy, origins, spatial relations and timing...
2019
3D Radon transformation with axis dependent curvature
Faruq Akbar, Warren Ho, Sebastian Holland, Rodrigo Fuck
International Meeting for Applied Geoscience and Energy (IMAGE)
... is the intercept time of the surface with (x=0, y=0), and f(x) and f(y) are functions of the spatial coordinates. Introduction The Radon transform is a useful...
2024
Abstract: Seismic Data Decomposition into Spectral Components Using Regularized Nonstationary Autoregression; #90187 (2014)
Sergey Fomel
Search and Discovery.com
... analysis of seismic data using local attributes: Geophysics, 76, P23– P34. Liu, Y., and S. Fomel, 2011, Seismic data interpolation beyond aliasing using...
2014
Abstract: Predicting Free Surface Multiples without the Water: SRME on Land; #90224 (2015)
Keith Wilkinson, Richard Bale, and Ken Gray
Search and Discovery.com
... locations must also be accounted for. This near surface correction used in SCME is illustrated in figure 3, which depicts the spatial locations...
2015
Abstract: Case Study- High Resolution Velocity Model Building to Improve Carbonate Reefs Image in Tz Area; #91204 (2023)
Hongjun Zhang, Yang Chen, Zhengzheng Zhou, Xiang Li, Hotma Yusuf, Haryono Haryanto, Farid Dasa Marianto
Search and Discovery.com
... in inversion algorithm in Pseudo analytic in time-wavenumber domain (3D) to avoid spatial frequency dispersion. The quality of wavelet can be judged according...
2023
Seismic Technologies for Unconventional Reservoir Characterization: Wamsutter Field Case Study; #110159 (2011)
Rosemarie Geetan, Brian Hornby, Ricko Wardhana
Search and Discovery.com
... of 14,000 ft. This in effect would mean a source effort of approximately 15,000 vibe points. High frequency aliasing was expected at frequencies of 145 Hz...
2011