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...

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...

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...

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...

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...

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...

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...

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...

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...

Abstract: Automatic Time Picking and Velocity Determination on Full-Waveform Sonic Logs; #90171 (2013)

Lejia Han, Joe Wong, John C. Bancroft, and Robert R. Stewart

Search and Discovery.com

... accuracy. Velocity values for rock formations can be determined using refraction analysis on first-arrival times. However, a more accurate alternative...

Abstracts: Synthetic Microseismic Files; #90173 (2015)

J. Wong, P. M. Manning, L. Han, and J. B. Bancroft

Search and Discovery.com

... velocity analysis for lithology discrimination: Geophysics, 54, 1566-1574. Chambers, K., Brandsberg, S., Kendall, J.M., and Rueda, J., 2008. Testing...

General Threshold for Sediment Transport Induced by Mounds

J. Stephen Fries

Journal of Sedimentary Research (SEPM)

... experiments confirmed this threshold for sediment mounds of both fine and coarse sands. Measurements of the velocity field near sediment mounds...

SYNTHETIC SEISMOGRAMS

Search and Discovery.com

Bed Configurations in Steady Unidirectional Water Flows. Part 3. Effects of Temperature and Gravity

John B. Southard, Lawrence A. Boguchwal

Journal of Sedimentary Research (SEPM)

... of temperature on bed configuration. ANALYSIS OF TEMPERATURE EFFECTS As noted in Part 2, every point in the dimensionless depth-velocity-size diagram...

Wake-Capture Effects Observed in a Comparison of Methods to Measure Particle Settling Velocity Beyond Stokes' Range

C. J. Lovell , C. W. Rose

Journal of Sedimentary Research (SEPM)

... that the distribution by weight of the different velocity classes is then "the most basic and desirable expression for the sedimentation analysis of a sediment...

Turbulent Flow

Gerard Middleton, John B. Southard

Special Publications of SEPM

... on velocity profiles. Dimensional Analysis of Flow Resistance One circumstance that tends to make the standard treatments of flow resistance in fluid...

Abstracts: Challenges and Solutions in Locating and Interpreting Microseismic Events from Surveys in the Horn River Basin; #90173 (2015)

Ulrich Zimmer

Search and Discovery.com

... of the challenges come from the limited access with sensor arrays and the complex velocity structures that can include significant faults which occasionally cause...

Cross-Well Seismology: A New Production Tool

B. N. P. Paulsson, R. T. Langan

Indonesian Petroleum Association

... in this analysis. An ART algorithm was used to construct a velocity image for the region between the wells (Figure 7). There are ten different oil sands covered...

Statistical Mitigation of Depth Structure Uncertainty Using Multiple Realizations for the Ujung Pangkah Field

Donald Easley, Ferry Yustiana, Willy Brianno

Indonesian Petroleum Association

... estimation and in turn the GRV (gross rock volume) of the Ujung Pangkah field. These uncertainties were statics, velocity, and time horizon picks...

Advanced Reprocessing and Imaging: Enhancing Legacy Surveys

Dominic Fell, Shane Westlake, Richard Patenall, Jennifer Badry

Petroleum Exploration Society of Australia (PESA)

... surface multiples. An initial pass of velocity analysis was performed after first applying temporary static corrections to compensate for the near surface...

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)

... compared the inversion results of the two algorithms in more detail by 1-dimensional velocity analysis, as shown in Figure 5, where we compared...

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...

AVO Analysis of Long Offset Seismic Data Using 3-D Graphical Analysis, by F. Zhu and R. L. Gibson; #90901 (2001)

Search and Discovery.com

Abstract: Seismic Characterization of the Mississippian in South-Central Kansas; #90248 (2016)

George P. Tsoflias, Yousef Fadolalkarem, W. Lynn Watney

Search and Discovery.com

... gradational porosity decrease resulting in a corresponding increase in seismic velocity. Analysis of post-stack 3D seismic data showed the expected response...

Estimation of Suspended Sediment Concentrations during Deposition of Turbiditic Structureless Sandstones of the Middle Permian Brushy Canyon Formation, South New Mexico, #50681 (2012)

Kannipa Motanated, Michael M Tice

Search and Discovery.com

... velocity of zircons are less than those of K-feldspars (calculated at infinite dilution) ANALYSIS Bass Enterprize 6100 ft (Richardson&Zaki's model...