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Showing 16,600 Results. Searched 200,756 documents.
The Evolution of FWI and its Perceived Benefits
Tony Martin, Andrew Long
Australian Petroleum Production & Exploration Association (APPEA) Journal
... analysis, estimate elastic properties and prospect derisking. Collectively, we demonstrate how to produce high-resolution velocity models when...
2019
Bed Configurations in Steady Unidirectional Water Flows. Part 2. Synthesis of Flume Data
John B. Southard, Lawrence A. Boguchwal
Journal of Sedimentary Research (SEPM)
... viscosity in the dimensional analysis on which the dimensionless variables in Equations 1 are based, the dimensionless depth-velocity-size diagram...
1990
THE EARTH'S CRUST UNDER THE WILLISTON BASIN IN EASTERN SASKATCHEWAN AND WESTERN MANITOBA
Z. HAJNAL, C. M. R. FOWLER
Williston Basin Symposium
... a thick, high velocity (7.1-7.6 km/sec) lower crust. The upper mantle has a higher velocity (8.3-8.5 km/sec). CITED Chapman, C. H...
1982
Shape Entropy and Settling Velocity of Natural Grains
J.P. Le Roux
Journal of Sedimentary Research (SEPM)
...Shape Entropy and Settling Velocity of Natural Grains J.P. Le Roux 2002 363 366 Vol. 72 (2002) No. 3. (May) The shape of sedimentary particles has...
2002
Seismic Detection of Overpressuring and Fracturing: An Example from the Qaidam Basin, People’s Republic of China
Robert J. Paul
Southeast Asia Petroleum Exploration Society (SEAPEX)
... and small quantities of oil and gas was identified on the northwest plunging nose of the Nan Yi Shan anticline. Velocity dispersion effects were encountered...
1990
Petrophysical Relationship to Predict Synthetic Porosity Log; #41124 (2013)
Thariq Guntoro, Intan Putri, and Ayi Syaeful Bahri
Search and Discovery.com
... ([email protected]) Abstract In seismic analysis, P-waves are an important attribute to identify the reservoir. It is sensitive with the presence...
2013
Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones
Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju
Indonesian Petroleum Association
..., interferometric processing, imaging and analysis allows us to obtain valuable reservoir information. Considering the geologic setting and data acquisition...
2013
Chapter 10-part 3: 3-D Depth Image Interpretation
William L. Abriel, Joseph P. Stefani, Robert D. Shank, David C. Bartel
AAPG Special Volumes
...: A versatile 3-D earth model and robust model editor Accurate velocity analysis and representation Robust 3-D forward modeling of rays and waves...
2011
Seismic Guided Drilling (SGD*): A New Technology for Look-Around and Look-Ahead of the Bit Prediction During Drilling
Nader C. Dutta, Sherman Yang, Jianchun Dai, Aranya Bhaduri, S. Chandrasekhar, Firoze Dotiwala, C.V. Rao
Indonesian Petroleum Association
... velocity, an essential ingredient for Migration to produce an Image, is based on the “flattening of seismic gathers” criterion. While this criterion...
2012
Detecting igneous rocks in the presalt with elastic FWI
Gabriel Pacheco, Ana Araújo, Diego Costa, Karine Pereira, Luis Cypriano
International Meeting for Applied Geoscience and Energy (IMAGE)
... are then extracted from the sonic logs to obtain a representative average velocity. The analysis revealed that a minimum cut-off velocity of 5509 m...
2024
Aerodynamic and Geometric Diameter of Airborne Particles--Reply
Weinan Chen, Donald W. Fryrear
Journal of Sedimentary Research (SEPM)
..., Inc., 408 p. GIBBS, R.J., MATTHEWS, M.D., AND LINK, D.A., 1971, The relationship between sphere size and settling velocity: Journal of Sedimentary...
2002
Abstracts: Fluid Substitution and Seismic Modelling in a Sandstone Aquifer; #90173 (2015)
Virginia C. Vera and Don C. Lawton
Search and Discovery.com
... of interest simulating pre, during and post CO2 injection scenarios. From Gassmann calculations it was found that the P-wave velocity decreases...
2015
Effects of Differential Cementation on the Sonic Velocities of Upper Cretaceous Skeletal Grainstones (Southeastern Netherlands)
Jeroen A. M. Kenter, Bruce W. Fouke, Marc Reinders
Journal of Sedimentary Research (SEPM)
... mineralogy, rather than a significant difference in primary porosity. The time-average velocity equation for a calcite matrix fails to predict...
1997
Hydraulic Factors Controlling the Shape of Laminae in Laboratory Deltas
Alan V. Jopling
Journal of Sedimentary Research (SEPM)
... therefore be considered in an analysis of frontal profile. Due to changing boundary roughness,(FOOTNOTE 3) velocity and bed shear stress are only...
1965
New geological insights gained from the reprocessing, imaging, and interpretation of legacy seismic datasetsOffshore Mauritania
Kranthi Garidepalli, Elisabeth Gillbard, Simon Dean, Darren Judd, Nassim Kettouche, Paul Bellingham
International Meeting for Applied Geoscience and Energy (IMAGE)
... sediments and salt, and the interactions of the two. Velocity analysis of the Jurassic and Early Cretaceous structures shows them to be highly variable...
2022
Abstract: Interpretation of Natural Fractures from the Traveltime Variation with Source-receiver Azimuth in the Alberta Foothills; #90172 (2014)
Draga A. Talinga, Don C. Lawton
Search and Discovery.com
... can be realized when some of the most critical parameters (matrix velocity and symmetry axis direction) are unknown. The orientations predicted...
2014
Abstract: Kirchhoff Prestack Time Migration with Angle Domain Common Image Gathers; #90174 (2014)
Jianhua Pan, Robert Tilson, Gerry Schlosser, and Elvis Floreani
Search and Discovery.com
... common image gathers are commonly used for migration velocity analysis and AVO studies. However, recent works show that more benefits could...
2014
Full Wave Acoustic Logging: Some Examples
John W. Minear
Southeast Asia Petroleum Exploration Society (SEAPEX)
... core analysis shown in the depth track. Core porosity in zone C is less than 1%. Zone G in Figure 5-b has a velocity ratio averaging about 1.6 - 1.7...
1984
What do acoustic FWI derived amplitudes mean in terms of elastic properties?
Dhananjay Kumar, Ana Garcia-Ceballos, Joe Dierkhising, Abigail Maxwell, Akkel Paul
International Meeting for Applied Geoscience and Energy (IMAGE)
... relationship between FWI velocity and well logs. Several key observations emerge from the analysis of the correlation between FWI models and elastic...
2024
Time-Dependent Hydrodynamic Models of Turbidity Currents Analyzed with Data from the Grand Banks and Orleansville Events
A. D. Kirwan Jr., L. J. Doyle, W. D. Bowles, G. R. Brooks
Journal of Sedimentary Research (SEPM)
... be generated on slopes of less than 1° and accelerate within minutes to a maximum velocity of between 20 and 25 m/sec. BRITTER, R. E., AND LINDEN, P. F...
1986
Scholte waves from active and passive SB-DAS recordings and their relevance for CCUS: Synthetic and real examples from the North Sea
Simone Re, Ran Bachrach, Ali Sayed, Dmitri Skorinski, Massimo Clementi
International Meeting for Applied Geoscience and Energy (IMAGE)
... on analysis and inversion of multi-mode Scholte waves. We start from a synthetic study of Scholte waves sensitivity at depth relevant for CCUS applications...
2024
Low-frequency data reconstruction for full-waveform inversion
Ramzi Djebbi, Maiza Bekara, Jaime Ramos-Martinez, Nizar Chemingui
International Meeting for Applied Geoscience and Energy (IMAGE)
... learning: Geophysics, 85, no. 3, R275–R288, doi: https://doi.org/10 .1190/geo2019-0195.1. Symes, W. W., 2008, Migration velocity analysis and waveform...
2022
Abstract: The Phase Shift Time Stepping Equation and the Marmousi Data Set; #90171 (2013)
Ben D. Wards, Gary F. Margrave, and Michael P. Lamoureux
Search and Discovery.com
... Fourier transform which is exact for constant velocity medium. Introduction Reverse-time migration (Baysal et. al., 1983, McMechan, 1983; Whitmore...
2013
Influence of Porosity and Facies of Baturaja Carbonate to the Seismic Wave Velocity: Case Study of Tambun Field West Java
Jarot Setyowiyoto, Bagus Endar B. Nurhandoko, Ariffin Samsuri, Bambang Widjanarko, Thurisina
Indonesian Petroleum Association
...Influence of Porosity and Facies of Baturaja Carbonate to the Seismic Wave Velocity: Case Study of Tambun Field West Java Jarot Setyowiyoto, Bagus...
2007
Prediction of Petrophysical Properties of Trenton-Black River (Ordovician) Reservoirs by Comparing Pore Architecture and Permeability to Sonic Velocity; #50508 (2011)
John E. Thornton and G. Michael Grammer
Search and Discovery.com
... Reservoirs from Sonic Velocity and Digital Image Analysis,” Search and Discovery Article #50689 (2012). 1 2 Western Michigan University, Kalamazoo, MI...
2011