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The AAPG/Datapages Combined Publications Database

Showing 17,717 Results. Searched 200,636 documents.

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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: 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

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