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The AAPG/Datapages Combined Publications Database
Showing 17,717 Results. Searched 200,636 documents.
Velocity model building with a time shift objective function: Gulf of Mexico examples
Yi Yang, Ken Matson, Tadas Krupovnickas, Mark Huiskes, Rene-Edouard Plessix, Sijmen Gerritsen
International Meeting for Applied Geoscience and Energy (IMAGE)
...Velocity model building with a time shift objective function: Gulf of Mexico examples Yi Yang, Ken Matson, Tadas Krupovnickas, Mark Huiskes, Rene...
2022
High-resolution seismic imaging of shallow karstified carbonate overburden offshore Indonesia
Xiaobo Li, Yonghe Guo, Yi Xie, Barry Hung, Ilham Panggeleng, M. R. Husni Sahidu, Sarah Putri
International Meeting for Applied Geoscience and Energy (IMAGE)
... is the velocity model, which can capture velocity contrasts that are highly spatially varying within the carbonate. Second, considering the shallow nature...
2022
Accelerated augmented Lagrangian full-waveform inversion based on truncated randomized singular value decomposition
Jiahang Li, Hitoshi Mikada, Junichi Takekawa
International Meeting for Applied Geoscience and Energy (IMAGE)
.... The difficulty of inverting the 2004 BP model is the significant velocity variations, the salt body, and the two deep salt columns. The model size is 17.9 km long...
2023
A new system for efficiently acquiring vertical seismic profile surveys
Tim Dean, Nghia Nguyen, Brenton Armitage, Huw Rossiter
Petroleum Exploration Society of Australia (PESA)
... is referred to as the one-way travel-time and is a measurement of the bulk p-wave velocity. The term bulk is used here as the volume of rock being...
2018
Ultrasonic measurements of elastic anisotropy of granitic rocks for enhanced geothermal reservoirs
Mayra D. L. Carrasquilla, Jake Parsons, Teng Long, Min Sun, Yingcai Zheng, De-Hua Han
International Meeting for Applied Geoscience and Energy (IMAGE)
... MPa in ultrasonic frequency bands. As the confining pressure increases, the results demonstrate significant increases in P-wave velocity and S-wave...
2023
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)
...A depth uncertainty estimation method using interval-domain anisotropic VTI velocity and travel time detectability criterion Andrey H. Shabelansky...
2024
Improving Stratigraphic and Structural Interpretation of Suban 3D Through Advanced Reprocessing
Safitri Nurida, Irfan Yuliandri Syukri, Ludy Andria
Indonesian Petroleum Association
...-processing and pre-stack time migration phase followed by pre-stack depth migration phase. It incorporates thorough noise attenuation and detailed velocity...
2019
Scour and Fill Processes in a Deep River Hole, Ohio River, Louisville, Kentucky: NOTES
Bruce R. Moore
Journal of Sedimentary Research (SEPM)
... structures preserved depend on the relative lengths of the phases of scour and fill and the maximum mean velocity of the stream. BRIGGS, L. I., AND MIDDLETON...
1970
Integration of Geological Data on Seismic Sections: GEOLOGICAL NOTES
L. F. Ivanhoe
AAPG Bulletin
... of errors in integrating subsurface geology and seismic data are: (1) incorrect well points, (2) velocity errors, (3) geometric errors, and (4) projection...
1956
Settling Velocity, Diameter, and Density for Flocs of Illite, Kaolinite, and Montmorillonite
Ronald J. Gibbs
Journal of Sedimentary Research (SEPM)
...Settling Velocity, Diameter, and Density for Flocs of Illite, Kaolinite, and Montmorillonite Ronald J. Gibbs 1985 Vol. 55 No. 1. (January...
1985
Pore Pressure Prediction Based on High Resolution Velocity Inversion in Carbonate Rocks, Offshore Sirte Basin - Libya; #40551 (2010)
Robert M. Gruenwald, Javier Buitrago, Jack Dessay, Alan Huffman, Carlos Moreno, Jose Maria Gonzalez Munoz, Carlos Diaz, Khaeri Segayer Tawengi
Search and Discovery.com
...Pore Pressure Prediction Based on High Resolution Velocity Inversion in Carbonate Rocks, Offshore Sirte Basin - Libya; #40551 (2010) Robert M...
2010
Crustal Structure and Evolution of an Explosive Silicic Volcanic System at Yellowstone National Park
Robert B. Smith, Lawrence W. Braile
Wyoming Geological Association
... velocity. The 5.7 km/sec low-velocity body is interpreted to represent a hot but relatively solid body approximately 8 to 10 km thick...
1982
Synthetic Seismograms from Vibracores: A Case Study in Correlating the Late Quaternary Seismic Stratigraphy of the New Jersey Inner Continental Shelf
Dominic Esker , Robert E. Sheridan , Gall M. Ashley , Jeffrey S. Waldner , David W. Hall
Journal of Sedimentary Research (SEPM)
... empirical relationships between median grain size and density and velocity to calculate proxy values for density and velocity, avoids many...
1996
Particle Size Sorting in Subglacial Eskers: Abstract
Houston C. Saunderson
Dallas Geological Society
... sorting becomes distinctively different under full-pipe flow than in free-surface flow. At a velocity slightly less than the limit deposit velocity...
1977
Particle Size Sorting in Subglacial Eskers: Abstract
Houston C. Saunderson
CSPG Special Publications
... sorting becomes distinctively different under full-pipe flow than in free-surface flow. At a velocity slightly less than the limit deposit velocity...
1977
Geophysical Investigations of Continental Borders
Maurice Ewing
Tulsa Geological Society
... to the edge of the continental shelf were made along several lines of traverse. An unconsolidated layer with a velocity of about 5,800 ft/sec, a semi...
1947
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)
... such as MWD with multi-model subtraction help resolve complex surface multiples, a result of steep, seafloor canyons present in the area. For velocity...
2022
Relationship between acoustic and petrophysical properties of Permian grainstones, Lawyer Canyon, Algerita Escarpment, West Texas
Xavier Janson, F. Jerry Lucia
West Texas Geological Society
... porosity. The distinction in the velocity-porosity cross-plot between grainstone with interparticle porosity and moldic grainstone is not clear. If we plot...
2013
A Simple Guide to Depth Conversion: Part II
Ashley Francis
GEO ExPro Magazine
... models work well. It depends on whether lateral velocity variations are present and represented by horizons that can be picked on seismic. 2. QC input...
2018
Abstracts of Theses: Seismic Crustal Studies in Eastern Canada, the Gulf of St. Lawrence Region
Gerald N. Ewing
CSPG Bulletin
... compressional wave velocity in the mantle, determined from reverse profiles is 8.5 km./sec. A thinner crust, in the order of 35 km. is postulated...
1967
The Attenuation Effects of Surface-Wave Propagations on Rockmass Using SASW Method
Suharsono, Abdul Rahim Samsudin
Geological Society of Malaysia (GSM)
...), travelling with velocity Vp, or distortional, i.e. shear waves (S-waves). The body waves travel into the medium with hemispherical wave fronts...
2003
Seismic Foldout: Potential Prospectivity Identified in the Orphan Basin
Yermek Balabekov, Yang Yang, Sriram Arasanipalai, PGS Ultima
GEO ExPro Magazine
... demonstrate PGS Ultima provides not only the highresolution velocity model but also relative impedance and relative density estimates in a challenging area...
2022
Computer Modeling of the Pleistocene Carbonates in the Ryukyu Island Arc, Japan: Abstract
Ryoichi Matsui, Fumiaki Matsuda, Yoshinori Matsuda, Michinori Saito, Ryotaro Iwahashi
Indonesian Petroleum Association
.... Types of sediments to be examined are also specified as a function of water depth and current velocity. Based on these inputs, surface topography...
1998
Abstract: Expanding Field of Seislog Applications, by A. V. Street; #90961 (1978).
Search and Discovery.com
1978
Abstract: 3D - Marine Seismic Data Recording and Processing
W. Houba
Geological Society of Malaysia (GSM)
... velocity studies have been started from analyses data on a grid of 50C) x 500 m. The velocities have been areally smoothed along pre-interpreted reflection...
1981