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The AAPG/Datapages Combined Publications Database

Showing 20,854 Results. Searched 200,673 documents.

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Application of deghosting method based on Greens theorem in reservoir description of Bohai Bay

Shaoxuan Li, Jiangfeng Zheng, Lei Gao, Zhiping Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and ∈ represents the process of adaptive subtraction. The Green's function formula of ghost wave can be derived from the wave equation. Its general form is: G...

2022

Abstract: 3D OBC sesimc data processing to overcome sampling sparseness and irregularity; #90254 (2016)

Shotaro Nakayama, Mark A. Benson, Kamal Belaid, Tarek Matarid, Mikael Garden, Dimitry Zarubov

Search and Discovery.com

... this, we apply model-based surface wave attenuation, Surface Wave Analysis Modeling and Inversion (SWAMI), which enables an estimate of local near-surface...

2016

Semi-supervised ground-roll wave segmentation with noise label via neural network evolution

Yinshuo Li, Wenkai Lu

International Meeting for Applied Geoscience and Energy (IMAGE)

...Semi-supervised ground-roll wave segmentation with noise label via neural network evolution Yinshuo Li, Wenkai Lu Semi-supervised ground-roll wave...

2024

Reservoir Characterization of Silurian (Niagaran) "Pinnacle" Reefs in the Michigan Basin; #50286 (2010)

G. Michael Grammer, Amy K. Noack, Heather Qualman, Audrey Ritter-Varga, Jessica Wold, Anthony E. Sandomierski, W.B. Harrison III

Search and Discovery.com

...-wave velocity (m/s) 6000 5000 m/s 5000 4000 43% 12% 3000 2400 m/s 2000 1000 0 Time-average equation Woods equation (for suspension) Theoretical...

2010

P- and PS-Wave Vector Wavefields for Anisotropic Petrophysics

James Gaiser

Petroleum Exploration Society of Australia (PESA)

...P- and PS-Wave Vector Wavefields for Anisotropic Petrophysics James Gaiser P- and PS-wave vector wavefields for anisotropic petrophysics James Gaiser...

2016

Abstract: Effect of Thermal Shock on P and S Wave Speeds in a Low-porosity Quartz Sandstone; #90174 (2014)

Wei Xie and Douglas R. Schmitt

Search and Discovery.com

...Abstract: Effect of Thermal Shock on P and S Wave Speeds in a Low-porosity Quartz Sandstone; #90174 (2014) Wei Xie and Douglas R. Schmitt AAPG...

2014

The Role of Subaqueous Debris Flow in Generating Turbidity Currents

Monty A. Hampton

Journal of Sedimentary Research (SEPM)

... integration of these equations gives the equation of the stream function for uniform flow: = U(y cos - x sin ) (15) and in polar coordinates: = Ur(sin...

1972

Integrated rock classification in carbonate formations based on elastic and petrophysical properties estimated from conventional well logs

Mehrnoosh Saneifar, Roy Conte, Clotilde Chen Valdes, Zoya Heidari, and Michael C. Pope

AAPG Bulletin

... constants: Washington, District of Columbia, American Geophysical Union, p. 205–228.Brie, A., D. L. Johnson, and R. D. Nurmi, 1985, Effect of spherical...

2015

Abstract: A Preliminary Analysis Of Edge-Effects In True-Triaxially Deformed Cubic Darley Dale Sandstone Samples; #90315 (2017)

Pratibha Srivastava, Tom Mitchell, John Browning, Phil Meredith

Search and Discovery.com

... differential stress∆σ = 80MPa(Stuart et al.,1993).To analyze potential edge effects produced during these tests, four techniques viz. Ultrasonic wave...

2017

Simultaneous inversion of velocity and angle-dependent reflectivity

Nizar Chemingui, Yang Yang, Jaime Ramos-Martinez, Guanghui Huang, Dan Whitmore, Sean Crawley, Elena Klochikhina, Sriram Arasanipalai

International Meeting for Applied Geoscience and Energy (IMAGE)

... from the solution of the vector-reflectivity-based wave equation, which is a crucial step in the process. The incorporation of pre-stack angle gathers...

2023

Abstract: Trace Interpolation and Elevation Statics by Conjugate Gradients; #90172 (2014)

Marcus Wilson, Robert J. Ferguson

Search and Discovery.com

... iterations is suggested to optimize runtime. Introduction A wave equation inversion for acquired seismic data described in Ferguson (2006...

2014

One-way full-waveform inversion using frequency-domain model extension

Rustam Akhmadiev, Biondo Biondi, Robert G. Clapp

International Meeting for Applied Geoscience and Energy (IMAGE)

... and theoretical advantages. Using frequency-domain (complex-valued) slowness model leads to a modified (extended) wave equation. Solving this equation...

2024

Horizontal stress inversion based on azimuthal difference in P-wave reflectivity

Fubin Chen, Zhaoyun Zong, Xingyao Yin

International Meeting for Applied Geoscience and Energy (IMAGE)

... are developed based on the azimuthal difference in proposed P-wave reflectivity equation. Numerical results illustrate the feasibilities of three methods...

2022

TRACE FOSSILS AND GLAUCONITIC PELLETS PROVIDE INSIGHT INTO CAMBRIAN SILICICLASTIC MARINE ENVIRONMENTS

SHERIE C. HARDING, A.A. EKDALE

PALAIOS

... shallow-water ichnofacies with evidence for wave agitation. This is an unusual combination of features, which requires explanation. Ichnologic...

2018

An Explanation of the Logarithmic Spiral Plan Shape of Headland-Bay Beaches

Paul H. Leblond

Journal of Sedimentary Research (SEPM)

... to a wave energy value through equation (8). Using a map of diffracted wave energy as a function of position for the chosen angle of incidence, the value...

1979

Paleoecology of the Capitan Reef

Rachel Wood

Special Publications of SEPM

... that indicate the direction of growth to form spherical chambers that indicate the direction of growth to form cylindrical, conical massive or branching growth...

1999

Shear Velocity Prediction and its Rock Mechanic Implications, #41296 (2014)

Yexin Liu, Zhuoheng Chen, Kezhen Hu

Search and Discovery.com

... estimation. We propose a method for estimating the shear velocity from P-wave velocity, porosity, shale content and saturation. The response equation...

2014

Joint OBN and 3D DAS-VSP data acquisition and processing in East China Sea

G. Yu, G. M. He, Z. L. Cao, H. B. Liu, J. J. Li, Y. Z. Chen, J. J. Wu, J. G. Li, X. M. Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... range and improves the overall 3-D DAS-VSP imaging quality. The 3D DAS-VSP downgoing multiple reflection wave imaging shows significant imaging...

2022

Abstract: Compensation for Shear-wave Anisotropy Effects Above a Heavy Oil Reservoir; #90171 (2013)

Richard Bale, Kostya Poplavskii, and Colin Wright

Search and Discovery.com

...) coordinates, and then using the radial component to generate the PS image. Shear-wave splitting causes azimuthally dependent time delays of the radial...

2013

Abstract: Compensation for Shear-wave Anisotropy Effects Above a Heavy Oil Reservoir; #90171 (2013)

Richard Bale, Kostya Poplavskii, and Colin Wright

Search and Discovery.com

...) coordinates, and then using the radial component to generate the PS image. Shear-wave splitting causes azimuthally dependent time delays of the radial...

2013

Cretaceous-Tertiary Boundary Microtektite-Bearing Sands and Tsunami Beds, Alabama Gulf Coastal Plain

David T. King Jr., Lucille W. Petruny

GCAGS Transactions

... spherical microtektites display an internal structure that includes intact smaller spherical droplets adhered to infolded inner walls...

2005

Sedimentology of Fault-Scarp-Derived Colluvium from the 1983 Borah Peak Rupture, Central Idaho

James P. McCalpin , Witold Zuchiewicz, L. C. Allen Jones

Journal of Sedimentary Research (SEPM)

..., LAJOIE, K.R., AND WALLACE, R.E., 1984, Modification of wave-cut and faulting-controlled landforms: Journal of Geophysical Research, v. 89, no. B7, p...

1993

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