ABSTRACT: Analysis of Moho Depth and Crustal Vp/Vs Ratios in the Western U.S.; #90113 (2010)

Kristopher A. Castille and Harold Gurrola

Search and Discovery.com

... The purpose of this study is to analyze the Mohorovičić discontinuity, commonly referred to as the Moho, using seismic receiver function analysis...

Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part I … Algorithm

Jianhua Pan

Search and Discovery.com

... to convert rms velocity to interval velocity by using Dix’s equation. Time migration can be viewed as a valid imaging process but its imaging...

Wavefield Extrapolation for Prestack Time Migration with RMS Velocity: Part I … Algorithm

Jianhua Pan

Search and Discovery.com

... to convert rms velocity to interval velocity by using Dix’s equation. Time migration can be viewed as a valid imaging process but its imaging...

Fault Shadow Issues and Resolution in Model and Real Data

Andrew J. Davidoff, Ika Ratna Novianti

Indonesian Petroleum Association

... in depth. The velocity model was built using the layer-by-layer depth interval velocity modeling technique and iterative Pre-SDM. Applying the more...

A Note on the Preservation of Offshore Tsunami Deposits

Robert Weiss, Heinrich Bahlburg

Journal of Sedimentary Research (SEPM)

... in at a water depth of between 50 and 100 m. Using linear wave theory, this study explores the water depth at which a potential tsunami deposit is protected...

An Inverse Approach for Relating Seismic Velocity and Overpressure to Permeability and Sedimentation History in Deep Basins, #40863 (2012)

Hector M. Moreno, Tim A. Minshull, Rosemary A. Edwards,

Search and Discovery.com

... evolution with depth and an empirical law for the permeability as a function of porosity. Model output has been used to estimate the P wave velocity...

Reservoir Description by Interferometric Imaging of VSP Data in Transition Zones

Thomas Radford, Martin Karrenbach, Ferry Yustiana, Willi Brianno, Dhea Wachju

Indonesian Petroleum Association

... aspects, we focused on the value of information obtained by using advanced processing flows, such as a 3D depth-tied velocity model construction using...

Cimatti Field … An example of using seismic amplitude to determine in-place resource

Michael Micenko

Petroleum Exploration Society of Australia (PESA)

... and the added constraint that the line passes through the origin (Figure 5) a linear function can be defined. 2 Cimatti Field Micenko These Geosphere based...

The use of FWI in coal exploration

Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

...) of surface receivers. Despite using a short receiver array (array length  maximum depth), we were able to improve the initial models and reconstruct...

Behavior of Fluids

Gerard Middleton, John B. Southard

Special Publications of SEPM

.... You can see now the significance of k in the linear velocity distribution in Equation (1.1). Combining Equation (1.2) with the condition that du/dy...

Abstract: Kinematic Forward Modeling of Salt Using the Elastic Dislocation Method with Mapped Geologic Point Attributes and Solution Incrementation; #91204 (2023)

Seth Busetti, Lauren Reeher

Search and Discovery.com

... position. For example, the crest of the salt wall can be assigned to move upward as a function of depth whereas the flanks of the salt can be assigned...

Porosity Variation Detection using Seismic Velocity in Unconventional Shale Reservoirs: Antrim, Marcellus and Collingwood Shales, #90116 (2010)

Jerome B. Blaxton

Search and Discovery.com

...Porosity Variation Detection using Seismic Velocity in Unconventional Shale Reservoirs: Antrim, Marcellus and Collingwood Shales, #90116 (2010...

Characterization of a Shallow Steamed Oil Reservoir Using Crosswell Seismology

Bjorn N. P. Paulsson, John W. Fairborn

Indonesian Petroleum Association

.... Well log velocity and tomogram velocity adjacent to well OW4 as function of depth. The well log velocities are averaged over 20 feet intervals. Note...

Time-domain extended-source full-waveform inversion for acoustic vertically transversely isotropic media: Theory and numerical validation

Gaoshan Guo, Stephane Operto, Hossein S. Aghamiry

International Meeting for Applied Geoscience and Energy (IMAGE)

... the numerical tests using the augmented Lagrangian method. The generalized form of the penalty function is given by ns = s=1 1 Ps us − d∗ s 2 2 Qd s µ A(m...

How to Improve the Definition of Seismic Reflection Data

D. Michon, R. Garotta

Indonesian Petroleum Association

... to be higher than 10 km/sec. You see on fig. 2 that this velocity is reached at a 40° m offset at 1 second. For a constant vertical velocity function...

Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... not be used solely for suppressing high velocity linear noise and lessening back scattered energy. Other filtering options are available. INTRODUCTION...

ABSTRACT: A Coupled Petrophysical-Geophysical Model Demonstrates Velocity Dispersion in a Thin-Bedded, Fluvial Reservoir, by Odom, Richard C.; #90142 (2012)

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Comprehensive Use of VSP Technology at Elk Hills Field, Kern County, California, by R.J. Brewer and Don Greenfield, #40091 (2003).

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The Application of Image Processing Techniques for Complex Structures

V. Sudhakar, I. T. McMahon

Indonesian Petroleum Association

... moveout velocity so NMO correction can be done with a single velocity function. Migration using an appropriate method dependent on velocity complexity...

Sonic Logging in South Texas

W. P. Biggs

GCAGS Transactions

... in producible formations. A simple linear relationship between formation velocity and porosity has been proposed by Mr. M. R. J. Wyllie. It has been very...

Limitations of Reflection Seismograph

L. E. Nugent, Jr.

AAPG Bulletin

... be mitigated by construction of an isochron map or by calculation of a formation depth/velocity function. The efficacy of either method, however...

Bed Configurations

J. C. Harms, J. B. Southard, R. G. Walker

Special Publications of SEPM

... flumes and natural flows, and summarizes some of the material in the next two sections. Bed Configurations in Flumes Using depth-velocity and size...

Abstract: A Comparison of 3D Azimuth-Angle Domain Common Image Gathers using Poynting Vector and Optical Flow Methods; #90254 (2016)

Young Seo Kim, Constantine Tsingas

Search and Discovery.com

... to estimate the accuracy and reliability of background velocity models used in prestack depth migration. Also, ADCIGs can provide information during...

Seismic Velocity Model Building in an Area of Complex Geology, Southern Alberta, Canada

Helen Isaac and Don Lawton

Search and Discovery.com

..., which is expected to be relatively undeformed. Prestack depth migration provides better images. Our most effective velocity models for prestack depth...

Gaining Insight into Formation Anisotropy Using Full Azimuth Imaging and Analysis Tools

Duane Dopkin, Anat Canning, Philip Neri

Indonesian Petroleum Association

... azimuth angle gathers in depth, using a rich decomposition procedure (EarthStudy 360™) designed to preserve all subsurface azimuths. Here velocity...