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Showing 2,330 Results. Searched 200,636 documents.
Decoupled approximation of qP- and qSV-wave in attenuated TI media
Rong Huang, Zhiliang Wang, Guojie Song
International Meeting for Applied Geoscience and Energy (IMAGE)
... in simulations, the time step is 1ms, the spatial step is 12.5m, and a Ricker wavelet with the frequency of 30Hz is placed in the model’s center as the source...
2023
A New Approach in Determining Coal Geometry and Gas Content by Using 2D Seismic and Well Logs. Case Study: Central Sumatra Basin
Asep Ginanjar, Azarico Putra, Rizaldi Oki
Indonesian Petroleum Association
... wavelet to convolute with the geological model. After sufficient wells were tied and close enough to 2D lines, an initial impedance model...
2011
Seismic data denoising by combining self-supervised and supervised learning
Yen Sun, Paul Williamson
International Meeting for Applied Geoscience and Energy (IMAGE)
... workflows. Denoising methods have continued to evolve over the years, with recent approaches including wavelet transform (Alali et al., 2018), curvelet...
2023
Microseismic sensor placement optimization for rapid leakage alarm of geologic carbon storage
Yuan Zi, Lei Fan, Xuqing Wu, Jiefu Chen, Zhu Han
International Meeting for Applied Geoscience and Energy (IMAGE)
... wavelet as the source wavelet. To capture the uncertainty of microseismic event source locations, multiple events are simulated as a set...
2023
True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)
M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin
Indonesian Petroleum Association
... and correction is performed in the wavelet transform domain as this has the feature of resolution in both time and frequency and provides the ideal domain...
2011
Statistical Mitigation of Depth Structure Uncertainty Using Multiple Realizations for the Ujung Pangkah Field
Donald Easley, Ferry Yustiana, Willy Brianno
Indonesian Petroleum Association
... convolving a reflectivity spike with a synthetic wavelet approximating the seismic wavelet) of the seismic marker peak on the synthetic to the actual...
2011
Fast viscoacoustic forward modeling method based on U-net Fourier neural operator
Wenbin Tian, Yang Liu
International Meeting for Applied Geoscience and Energy (IMAGE)
... factors Q are respectively 2000 m/s and 50. A 35 Hz Ricker wavelet with a time interval of 1 ms is used as a source wavelet, and the maximum sampling...
2023
Bottom Cable 3-D Seismic Operations in the Transition Zone
Ezhar Manaf, Bambang Indroyono, Peter C. Johnson, James A. Musser
Indonesian Petroleum Association
... and deconvolution for source and receiver location specific wavelet variations. This technique also permitted an efficient means for undershooting various...
1995
Marine Vibrator Concepts for Modern Seismic Challenges
Andrew Long, Rune Tenghamn
Petroleum Exploration Society of Australia (PESA)
...), compromised by bubble energy, and the source wavelet is far from the Dirac-type wavelet that would correspond to a white amplitude spectrum. Furthermore...
2018
Seismic reservoir characterization of the Strawn Group, northern part of the Eastern Shelf, King County, North-Central Texas: Case study
Osareni C. Ogiesoba
International Meeting for Applied Geoscience and Energy (IMAGE)
...-frequency model. These reflectivities are then convolved with the wavelet to get the synthetic seismogram which is compared with the actual seismic...
2023
A dense linear array for passive seismic imaging of geothermal structural features: The FOAL experiment at Utah FORGE
Jaewoo Kim, Jonathan Ajo-Franklin, Tanner Shadoan, Valeriia Sobolevskaia, Julia Correa, Barry Freifeld
International Meeting for Applied Geoscience and Energy (IMAGE)
... wavelet with a center frequency of 30 Hz (Figure 3e). We then back-propagated the obtained S phase waveform and SP phase waveform using the prepared...
2023
Anisotropic elastic full-waveform inversion for crosswell seismic data for Wyoming CarbonSAFE project
Olga Podgornova, Shujaat Ali, Ting Lei, Peng Li, Matthew Johnson, Lu Lee, Zunsheng Jiao, J. Fred McLaughlin, Erik Borchardt, Lin Liang, Pierre Bettinelli, Joel Le Calvez
International Meeting for Applied Geoscience and Energy (IMAGE)
... and not inverted. We invert for the source wavelet, which, in the reciprocal formulation, becomes a combination of the source wavelet and receiver...
2023
Robust multichannel prestack AVA inversion based on elastic L1/2 norm
Nanying Lan
International Meeting for Applied Geoscience and Energy (IMAGE)
... where W( ) denotes the angle-dependent wavelet matrix and s( ) denotes the angle-dependent record. For multiple incidence angles, equation 5 can...
2023
AVAZ inversion for brittleness indicator and fracture parameters of gas-bearing reservoirs with tilted transverse isotropy
Yuanyuan Tan, Guangzhi Zhang, Zhengqian Ma, Ying Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
...-order component S2 and the zero-order component S0 of the azimuthal seismic records, separately. Subsequently, by convolving the seismic wavelet with Eq...
2023
Frequency-dependent reflection characteristics of single thin layer and waveform inversion
Zhengyang Kuai, Danping Cao, Chao Jin
International Meeting for Applied Geoscience and Energy (IMAGE)
... the WVD of each matching wavelet： TFR t , f ∑ 𝑎 W gγn t , f Figure 2: Workflow of pre-stack single thin layer inversion Model updates can...
2023
Pachuta Creek (Smackover) Field, Mississippi
Anthony J. Weber
GCAGS Transactions
... (fig. 4). A thirty-five hertz positive Ricker wavelet, convolved with the reflection coefficients, provided the best frequency match between...
1980
Low Frequency Passive Seismic Method For Hydrocarbon Indicator in the X-Field, Trembes Area, East Java Basin
Ricky Sitinjak, Sumarsono, Budi Eka, Suherman
Indonesian Petroleum Association
...) Continous Wavelet Transform Analysis of Shanon Entropy, Fractal Dimension and Coherency Time Frequency Analysis Stacking Spectra Smoothing Spectra V...
2014
A simultaneous denoising and event picking approach using supervised machine learning
Salman Abbasi, Motaz Alfarraj, Dmitry Borisov, Vikram Jayaram, Iftekhar Alam, Bakhtawer Sarosh
International Meeting for Applied Geoscience and Energy (IMAGE)
... examples of denoising algorithms include polarization filtering (e.g. Akram, 2018), radon transform (Sabbione et al., 2015) and wavelet transforms Li et...
2023
Research of accurate depth interpretation method for thin sand body in offshore reservoir and its application in A oilfield, Bohai Bay Basin
Li Wenbin, Hebing Tang, Xuetong Liu, Yichuan Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
..., thin sand bodies are actually thin layers or reservoirs with a thickness of less than or equal to 1/4 of seismic wavelet length (Widess,1973...
2023
High - Quality, Efficient Broadband Acquisition & Processing-An Integrated Approach
Richard Patenall, Dominic Fell, Timothy Brice, Saeeda Hydal
Indonesian Petroleum Association
... for an enhanced image, but also to remove the phase effects of the ghost, thereby improving the wavelet stability. In this survey, an angular...
2014
Abnormal Formation Pressures: Recognition, Distribution, and Implications for Geophysical Prospecting, Brazoria County, Texas
Edward T. Flanigan
GCAGS Transactions
... times are picked from the seismic sections at the trough in the wavelet. This trough is likely to be separated by some small time interval from...
1981
Introducing stochasticity into CNN-based property estimation from angle-stack seismic
Haibin Di, Tao Zhao, Aria Abubakar
International Meeting for Applied Geoscience and Energy (IMAGE)
... details. Then, we further extract a statistical zero-phase wavelet from the observed full-stack seismic and convolve it with the derived reflectivity...
2024
Risk Reduction for Effectively Increasing Drilling Efficiency in the Thin Reservoirs of the Three Forks of the Williston Basin. A Case Study Employing a Geostatistical Seismically Constrained Subsurface Geomodel
Inna Tsybulkina, Cesar Marin, Kevin Chesser, Shane Mogensen, Samuel D. Fluckiger
Unconventional Resources Technology Conference (URTEC)
...-depth relationship and to provide a better link to elastic properties through wavelet extraction. Comparison of elastic properties (P-Impedance, VP...
2016
Analyzing the impact of additive and multiplicative noise on seismic data analysis
Akshika Rohatgi, Andrey Bakulin, Sergey Fomel
International Meeting for Applied Geoscience and Energy (IMAGE)
... traces with a single Klauder wavelet, assembling 100 clean traces and modifying them by applying additive and multiplicative noise. Figure 2 showcases...
2024
Transformation of point-to-line source seismogram in a 2D geological model
Moosoo Won, Bing Zhou, Mohamed Jamal Zemerly, Mohammad Al-Khaleel, Mohamed Kamel Riahi
International Meeting for Applied Geoscience and Energy (IMAGE)
... to 100 in depth. We use the Rickers wavelet source with a 10Hz central frequency. Five receivers sit in the top layer and another two receivers...
2024