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The AAPG/Datapages Combined Publications Database
Showing 17,715 Results. Searched 200,630 documents.
Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique
Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu
Unconventional Resources Technology Conference (URTEC)
... inequality and frequency difference with the offset varying, non-flat reflection events caused by incorrect velocity, anisotropic and statistical error...
2015
A Case History of Geoseismic Modeling of Basal Morrow-Springer Sandstones, Watonga-Chickasha Trend: Geary, Oklahoma--T13N, R10W: Section 3. Stratigraphic Models from Seismic Data
William A. Clement
AAPG Special Volumes
... modeling techniques. These relations are, in particular: a strong velocity contrast between economically important basal Springer sandstones and thicker...
1977
Continuous Velocity Logging
H. R. Breck, S. W. Schoellhorn, R. B. Baum
Tulsa Geological Society
... in Figure 2, and indicate the relationship between lithology and velocity. The more prominent shale and limestone breaks are indicated on the geologic...
1955
ABSTRACT:MULTICOMPONENT OBC (4C) PRESTACK TIME IMAGING OVER PAMBERI, LRL BLOCK, OFFSHORE TRINIDAD
Tony Johns, Carmen Vito and Raul Sarmiento
Geological Society of Trinidad & Tobago
... results in apparent velocity sags between fault blocks deeper in the section. The faults act as pressure seals and these apparent sags may in part...
2007
Reservoir characterization and associated uncertainties of a presalt carbonate field, Brazil offshore
Jaydip Guha, Hannah Wood, Martijn Blaauw, Caroline Scott, Cody Stewart, Lina Xu, Wenceslau P. Gouveia, Edward Follows, Runer Avila, Andrew Barnett, Josephine Wheeler
International Meeting for Applied Geoscience and Energy (IMAGE)
...-wide ranges of gross rock volume (GRV) and bulk porosity. Fundamental inputs include a comprehensive velocity model, and the structural interpretation...
2022
OBN up/down-going wavefields separation in dual-tree complex wavelet domain
Zhang Libin, Wang Wei, Zou Zhen, Li Yifan, Chen Zhigang, Wang Kebin
International Meeting for Applied Geoscience and Energy (IMAGE)
... the down-going ghosts and up-going multiples arrival at about the same time or in the shallow water case that the primary and ghost arrival overlapping...
2024
Revealing the subsalt in Garden Banks with a sparsely-shot TPS OBN and FWI
Michael Merritt, Guido Baeten, Vishram Rambaran, Karen Godfrey, Kevin Bianchini, Tara Brothers, Frederic Chelminski, Alex Hao, Huawei Gao, Yingxue Su, Zhiyuan Wei
International Meeting for Applied Geoscience and Energy (IMAGE)
..., better reflecting the velocity model uplift. designed to minimize the adverse effects of large amplitude mismatch between synthetic and real data...
2024
Semi-inverse relationship between critical angle and reflectivity coefficient, and its implication in seismic survey design, processing, and interpretation
Chen Bao
International Meeting for Applied Geoscience and Energy (IMAGE)
... to these two reasons, the critical angle is always simply a function of the velocity contrast between interfacing layers, regardless of polarity. nears...
2024
Relationship of Velocity Defined Accuracy to Phi Defined Accuracy in Settling Tubes: METHOD PAPER
C. L. McCormick, Eric S. Posmentier
Journal of Sedimentary Research (SEPM)
... No. 2. (June), A conversion factor (T value) is presented to clarify the relationship between inaccuracy defined on the basis of settling velocity...
1980
Practical Applications of Amplitude-vs-Offset Analysis in Expanded Yegua Exploration
James L. Allen
Houston Geological Society
... Near offset vs Far offset Maintaining true amplitude at all offsets Compensation for spherical divergence NMO Stretch Multiples "Good...
1989
Abstract: Salt Imaging in the Nordkapp Basin with Electromagnetic Data, by K. Hokstad, E. A. Myrlund, and B. Fotland; #90096 (2009)
Search and Discovery.com
2009
Abstract: A New Era in Land Seismic for the Middle East and Beyond, by Timothy Keho and Panos Kelamis; #90105 (2010)
Search and Discovery.com
2010
Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)
Lynn Burroughs and Stewart Trickett
Search and Discovery.com
... it are to: - Reveal signal in noisy areas. Improve AVO and azimuthal analysis. Improve multiple attenuation, velocity analysis, and statics correction...
2013
Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)
Lynn Burroughs and Stewart Trickett
Search and Discovery.com
... it are to: - Reveal signal in noisy areas. Improve AVO and azimuthal analysis. Improve multiple attenuation, velocity analysis, and statics correction...
2013
Power Imaging A Passive Electromagnetic Hydrocarbon Detection Method: Examples from Railroad Valley, Nevada; #40966 (2012)
Dietmar (Deet) Schumacher, W. Barry Weaver, and Roy K. Warren
Search and Discovery.com
... are at specific frequencies, which are harmonics and sub-harmonics of 60 hertz (50 hertz in many areas of the world). These secondary harmonics include multiples...
2012
Geomechanical Approach to Resolve Severe Velocity Variations and Remove Image Distortions below Rugose Seafloor (Paper A16)
S. Birdus, A. Artyomov, L. Li, S. Xin
Geological Society of Malaysia (GSM)
... of lateral velocity variations: (1) contrast between the water and sediments and (2) velocity variations within shallow sediments created by the variable...
2012
Marchenko focusing using convolutional neural networks
Mert S. R. Kiraz, Roel Snieder
International Meeting for Applied Geoscience and Energy (IMAGE)
...’s function retrieval for arbitrary subsurface locations from recorded reflected waves and smooth velocity model, and the retrieved Green’s function includes...
2022
Comparison of Various Depth Conversion Techniques in a Complex Foreland Thrust Belt Setting: Case Study in the North Seram Basin, Banda Arc
Muhammad Nauvall Juliansyah, Bayu Permana Putra, Agung Donurizki
Indonesian Petroleum Association
... structure map is preferred as quality control to pick the best depth conversion method. Well velocity * method produced the least error between markers...
2019
Characteristics of Velocity-Porosity Relationships in the Baturaja Limestone Reservoir: A Case Study in the South Sumatra Basin
Muhamad Noor Ali
Indonesian Petroleum Association
... of empirical relationship between velocity, porosity and clay content have been proposed (Khaksar and Griffiths, 2000). For this study, velocity...
2002
Reservoir characterization using multi-seed stochastic inversion
Vincent Thomas, Nicolas Desgoutte, Nathalie Lucet
International Meeting for Applied Geoscience and Energy (IMAGE)
...%). Log data is available at 25 wells. Starting from seismic velocity and processed gathers, four seismic angle stacks (4ms sampling rate) have been...
2022
II. Migration to Remedy Geometric Distortions
Robert E. Sheriff
AAPG Special Volumes
... to the migration process is a seismic section oriented to the midpoints between shot and geophone locations, and the output is a seismic section oriented...
1981
High-resolution FWI of converted-wave data A case study from the Edvard Grieg field
Per Eivind Dhelie, Vidar Danielsen, Jon Andre Haugen, Emilie Davenne, Knut Richard Straith, Alireza Roodaki, Manuel Peiro, Alexis Fotsoh, Wenlei Gao, Nabil Masmoudi, Andrew Ratcliffe
International Meeting for Applied Geoscience and Energy (IMAGE)
...- and Vs- velocity models using full waveform inversion (FWI). Since the start of production from the field in November 2015, three vintages of time...
2022
Abstract: Relationships Between Resistivity, Velocity and Depth in the Vøring Basin, Offshore Norway, by Lars B. Hubert; #90082 (2008)
Search and Discovery.com
2008
Synthetic seismic models from outcrop-derived reservoir-scale three-dimensional facies models: The Eocene Ainsa turbidite system (southern Pyrenees)
O. Falivene, P. Arbues, J. Ledo, B. Benjumea, J. A. Munoz, O. Fernandez, S. Martinez
AAPG Bulletin
... are presented at 25-, 50-, and 75-Hz resolution.Seismic models enabled the comparison between architectural and facies distributions observed...
2010
Qualitative and Quantitative Monitoring of Seismic Quality During Data-Processing for Future Seismic Reservoir Characterization Studies (Sisi-Nubi Field, Indonesia)
Rangga A. Brahmantio, Mikhail Baturin, Florent Bertini, Jean-Marie Jourdan
Indonesian Petroleum Association
...-SSW (Figure 2): - - The Sisi structure is split into two main panels: Sisi west and Sisi central. The pay zone is located at a depth between 2000m...
2011