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The AAPG/Datapages Combined Publications Database
Showing 577 Results. Searched 200,673 documents.
The Tsunami Survey Offshore Sumatra, a Cooperative Geo-Technical Project for Deep Crustal Study WesternGeco/Schlumberger/CNRS-IPG Paris/BPPT
Soelistijani M, Martin Bayly, Tim Bunting, Satish C. Singh
Indonesian Petroleum Association
... there was often some sedimentary data to be observed, normal semblance based velocity analysis was used. At intermediate depths, approximately 3-30 kilometres...
2008
Multiscale fault and fracture characterization methods
QiQi Ma, Taizhong Duan
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Marfurt, K. J., R. L. Kirlin, S. L. Farmer, and M. S. Bahorich, 1998, 3-D seismic attributes using a semblance-based coherency algorithm: Geophysics, 63...
2022
Work-Flow for Selecting the Best Seismic Attributes for Effective Basin Analysis
Sigit Sukmono
Indonesian Petroleum Association
... mapping only and not for physical properties description. Similarity attributes such as coherence, variance, and semblance measure the waveform...
2009
Logging Wells Drilled by the Rotary Method
Edgar Kraus
AAPG Bulletin
... of a formation some mechanical features must be remembered. A short bit will give an added semblance of clayiness because it balls up more easily...
1924
Machine learning-based residual moveout picking
Farhad Bazargani, Wenjun Zhang, Anu Chandran, Zaifeng Liu, Harry Rynja
International Meeting for Applied Geoscience and Energy (IMAGE)
... and semblance scans (Adler and Brandwood, 1999). Such techniques, however, are often inaccurate and require significant human intervention (Zhou...
2022
RNN-based seismic velocity model building: Improving generalization using hybrid training data
Hani Alzahrani, Jeffrey Shragge
International Meeting for Applied Geoscience and Energy (IMAGE)
..., including inverting common mid-point (CMP) semblance cubes (Araya-Polo et al., 2018) and using different neural networks architectures to invert...
2022
Introduction to Ichnology
A. A. Ekdale, R. G. Bromley, S. G. Pemberton
Special Publications of SEPM
... carbon residues or any semblance of plant microstructure in all specimens. Nathorst's critics asked why animal trails would have a plant-like...
1984
Unsupervised machine learning for seismic facies classification applied in presalt carbonate reservoirs of the Bzios Field, Brazil
Dbora Ribeiro Barretto, Pedro Henrique Cunha de Macedo, Wagner Moreira Lupinacci, Raisa Carvalho Silva
International Meeting for Applied Geoscience and Energy (IMAGE)
... oriented smoothing and semblance: CWP Report 635, Colorado School of Mines, 261–270. Jesus, C., M. Olho Azul, W. M. Lupinacci, and L. Machado, 2019...
2022
Economic and Other Factors Affecting Petroleum Exploration
Kenneth H. Crandall
GCAGS Transactions
... affected oil exploration, which is increasingly being directed into those areas that are considered politically secure, where contracts have some semblance...
1972
Training data versus deep learning architectures in the seismic fault attribute computation
Bo Zhang, Yitao Pu, Zhaohui Xu, Naihao Liu, Shizhen Li, Fangyu Li
International Meeting for Applied Geoscience and Energy (IMAGE)
..., 1998, 3-D seismic attributes using a semblance-based coherency algorithm: Geophysics, 63, 1150–1165, doi: https://doi.org/10.1190/1.1444415...
2022
Optimized characterization workflow for naturally fractured reservoirs using seismic anisotropy attributes in the Middle Magdalena Valley basin, Colombia
Oscar Moreno, Enrique Casaña, Luis Figuera, Iván Higuera, Diego García, Jorge Acosta, Benjamin Roure
International Meeting for Applied Geoscience and Energy (IMAGE)
.... In this case, the resulting seismic discontinuities can be easily identified using coherence, variance, semblance, curvature etc. In most cases, post...
2023
Sparse 3D seismic survey over the Olympic Dam IOCG deposit
Heather Schijns, Jared Townsend, David Haddow, Max Shawcross, Kathy Ehrig
International Meeting for Applied Geoscience and Energy (IMAGE)
... of semblance and constant velocity stacks. The 2D PSTM (pre-stack time migration) image would provide a point of comparison for the later 3D imaging...
2023
Deep Dix: Enhancing interval velocity model estimation through adversarial regularization
Joseph Stitt, Robert Clapp, Biondo Biondi
International Meeting for Applied Geoscience and Energy (IMAGE)
... operator C. This process incorporates the semblance amplitudes from the com- Figure 1: Diagram of the critic CNN architecture used for the adversarial...
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
... waveform tracking on PSDM gathers, semblance based automatic or manual picking for the second and higher order moveout. The choice was determined based...
2011
Case Study - Advanced Seismic Acquisitions and Processing Results in Indonesia
Michele Buia, Bakhrudin Mansyur, Herastya Iman Priyonggo
Indonesian Petroleum Association
... the targets; a whole set of seismic angle volumes (Near, Far, Ultra Far) was used to finalize the modelling. Coherency, semblance and curvature volumes...
2011
Crawford Mountains, Northeastern Utah: History of an Abandoned Phosphate Mining District
Joseph L. Methner, Mark R. Mesch
Utah Geological Association
... the Bear River Valley floor. While the structure has some semblance of symmetry, the uplift and erosional pattern is complex and results in triplet...
1995
Stratigraphic Names: GEOLOGICAL NOTES
T. W. Stanton
AAPG Bulletin
... be at least a semblance of uniformity in the methods of presentation. It was for the Geologic Atlas that the rules of nomenclature and classification...
1930
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)
... the FWI gradient and constrain the inversion results. Lee and Pyun (2018) utilized diffusion tensor and weighted semblance as adaptive structure-oriented...
2023
Seismic Diffraction Imaging of Lithology in Fault Zones and Hydrocarbon Sweet Spots within the Maverick Basin, South Texas
Osareni Ogiesoba, Alexander Klokov
Unconventional Resources Technology Conference (URTEC)
... exploration, several seismic attributes (e.g., similarity, coherence, curvature, ant track, diffraction imaging, and semblance) extracted from 3D seismic...
2016
Deep learning approach to inverting flexural wave dispersion
Hengjian Zhang, Zhifen Sun, Xianzhi Li, Xiaofang Sun, Chu Wang, Ya Jin, Xiaofei Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... semblance method: Petrophysics, 62, 379–392, doi: https://doi.org/10.30632/PJV62N4-2021a3. Zhang, Z., Z. Shi, N. Ma, H. Wang, Z. Qiao, S. Zhao, and Z...
2024
A depth uncertainty estimation method using interval-domain anisotropic VTI velocity and travel time detectability criterion
Andrey H. Shabelansky, Cory J. Hoelting, Min Yang, Sizhuang Deng, Jinsong Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
..., 20, 68–86, doi: https://doi.org/10.1190/1.1438126. Douma, H., and van der Baan, M., 2008, Rational interpolation of qP-traveltimes for semblance-based...
2024
Quantitative assessment tools for objective-based optimization of seismic acquisition geometry selection
Ali Rabaan, Ilya Silvestrov, Ali Tura, Andrey Bakulin
International Meeting for Applied Geoscience and Energy (IMAGE)
... computes stack-based SNR using semblance (S). The formula for SNRe estimation is, SNRe = N i=1 S= M S , 1−S M j=1 di j N i=1 M 2 j=1 di j (3) 2...
2024
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)
... and can be interpreted with confidence. Events are detected using a technique that seeks a parametrically weighted agreement or weighted semblance between...
2016
Simultaneous 3D 4C - OBC & VSP Walkaway Survey in the Attaka Field, East Kalimantan, Indonesia
Bill Borland, Phil Johnston, Mike Reblin, Suta Vijaya, Omar Kulbrandstad, Muhammad Idrees, Scott Leaney, Jan van de Mortel
Indonesian Petroleum Association
... time difference between shots on the vertical axis. Figure 20. Semblance versus Q showing the best Q = 19. The two algorithms were applied...
2000
Metal Earth: Role of multidisciplinary geophysical methods to improve knowledge of mineral deposition across Precambrian rocks
Esmaeil Eshaghi, Richard Smith, Mostafa Naghizadeh, Graham James Hill, Eric Roots, Amir Maleki Ghahfarokhi, Saeid Cheraghi, John Ayer
Petroleum Exploration Society of Australia (PESA)
... out using a combination of semblance, super-gather, velocity function AEGC 2019: From Data to Discovery – Perth, Australia Figure 2. Pre-stack...
2019