General Threshold for Sediment Transport Induced by Mounds

J. Stephen Fries

Journal of Sedimentary Research (SEPM)

... (rms) of the horizontal velocity (urms). The rms velocity describes the spread of the velocity distribution at the sampling location and is indicative...

Migration Velocity Analysis by Migration of Velocity Spectra

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

... and a horizontal reflector is shown in Figure 1. RMS velocity for this model is constant at 1750 m/s down to the diffractor and then increases to 2000 m...

Imaging of the Guando Field Colombia in Time and Depth

M.A. Hall, V. Avramovic, J.T. Basick, I. Novianti, D.T. Maucione, P.Kroshko, J.C. Garzon

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... why it is superior. In PreSTM an RMS velocity model is generated and migration occurs over hyperbolae defined by a single velocity function. In PreSDM...

Abstract: Automatic High-Density Constrained Velocity Picking; #90211 (2015)

Emil Blias

Search and Discovery.com

... consider the restrictions on applying a locally 1-D model to velocity analysis. Strictly speaking, RMS velocity and Dix’s formula have been derived...

Abstract: Depth Velocity Model Optimization Using Beam Migration in a Mediterranean Field Offshore Egypt, by Ahmed El Bassiony, Bertrand Caselitz, Vira Matsourak, and Charles Zeltser; #90105 (2010)

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The Detection of Gaseous Hydrocarbon Accumulations by Seismic Interference Patterns and Lateral Velocity Variations

M. A. Buskala

Wyoming Geological Association

... reflection times into velocity. These values are computed at common depth point stations and are known as "RMS Velocities." The RMS values, although...

Methods of estimating wavelet stationarity, stabilizing non-stationarity, and evaluating its impact on inversion: A synthetic example using SEAM II Barrett unconventional model

Jesse Buckner, Michael Fry, Joe Zuech, Peter Harris, Bill Shea

International Meeting for Applied Geoscience and Energy (IMAGE)

... workflows. Building the Synthetic Pre-Stack Reflectivity Utilizing the material properties of compressional/shear velocity (Vp, Vs) and bulk density (Rho-B...

Near Surface Imaging using Joint Seismic Gravity Inversion

Teguh Suroso, Boko Nurdiyanto, Trilaksita B. Nugraha, Lita Novitasari, Heri Winarto

Indonesian Petroleum Association

... (CVM) was then displayed as a panel. RMS velocity was picked directly from the CVM panel by choosing the velocity that yields the best migration image...

Abstract: Converting CRS Attributes to Interval Velocities: An Approach to Build an Initial Velocity Model for Pre-Stack Depth Migration, by Krzysztof K. Sliz; #90077 (2008)

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Application of Traveltime Tomography and Kirchhoff Migration Methods to Improve the Seismic Cross-Section Resolution on 2D Land Seismic Data

Harmita Lestari, Nur Ayu Anas, Muh. Resky Ariansyah, Sabrianto Aswad, Heri Winarto

Indonesian Petroleum Association

... is picking speed to get the RMS velocity model that will be used as input to the migration stage. Picking is done using the picking method in semblance...

ABSTRACT: Practical Implementation of Geostatistics in Regional Depth Conversion Workflows: A Case Study from Saudi Arabia, by Jeganathan, Pradeep; #90141 (2012)

Search and Discovery.com

Velocity Modeling in Areas of High Structural Complex in the Gulf of Mexico

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Geoscience Integration and Interpretive Model Building to Overcome Seismic Imaging Problems in Foothills Environments; #41547 (2015)

Rob Vestrum

Search and Discovery.com

.... Interactive pre-stack time migration velocity analysis. (a) Image-gather display showing a single CDP migrated at different RMS velocities. (b) Stack-panel...

Permeability Multiplier Prediction Utilizing Wide Azimuth 3D OBC Seismic Data; #41349 (2014)

T. Matarid

Search and Discovery.com

... the azimuthal variation in a measurement. To do so, we fit an ellipse to four values. The ellipse fit exercise was conducted for RMS velocity and RMS amplitude...

ABSTRACT: Seismic amplitude analysis of the lower Cruse sands, southwest Soldado, Trinidad

Dupigny, A. and Charles, D.

Geological Society of Trinidad & Tobago

... various methods of amplitude extraction (including max. positive, negative and absolute, average absolute and RMS), amplitudes were extracted from the oil...

Rediscover the Rockies; 43rd Annual Field Conference Road Log

Kent A. Sundell, Thomas C. Anderson

Wyoming Geological Association

... and Acknowledgements ii AAPG-RMS Field Trip #1, Wind River Basin, Day 1 1      Day 2 33 AAPG-RMS Field Trip #2, Como Bluff Dinosaur Site 61 AAPG-RMS...

Interval Velocity Modeling of Celebes Molasse as Post Collision in Banggai-Sula Foreland Basin, Eastern Sulawesi, Indonesia

Anggoro P. Kurniawan, Maikel Arifin, Wahyuni T. Sundari, Sardjito, Nurhadi Budi, Hasan Nurudin

Indonesian Petroleum Association

... between PSTM (post stack time migration), using RMS (root mean square) Velocity, and PSDM (post stack depth migration), using interval velocity, on NW-SE...

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

... velocity migration procedure, and the image at any subsurface location is related only to the RMS velocity value at this location, the ray is actually...

Seismic Characterization of the Navajo Reservoir, Buzzards Bench, Utah; #51503 (2018)

Kimberley Haar, Robert Balch, Robert Will

Search and Discovery.com

... within the rms-velocity model where much larger than the expected size: 25 km2 versus 0.65 km2 (Parrish, 2007). This was reduced in the combined...

A Phase Diagram for Turbulent, Transitional, and Laminar Clay Suspension Flows

Jaco H. Baas, James L. Best, Jeffrey Peakall, Mi Wang

Journal of Sedimentary Research (SEPM)

... for the single probe data were 51–121 s and 83–195 Hz, respectively (Table 1). The temporal mean flow velocity, , and its standard deviation, RMS(u...

An Interpreter's Guide to Improvements in Depth Imaging through Model-Based Velocity Estimation and Refinement

Andy Furniss

Petroleum Exploration Society of Australia (PESA)

... migrated data, the input model for which is the interpretation. V 2rms t-V 2rms n-1tn- l n 11 t- tIl-l I! The Dix transform from RMS velocity...

Advanced Approach Toward Understanding Geologically Complex Area Using MDRS (Multi-Dip CRS): A Case Study

Naoshi Aoki, Shogo Narahara, Akihisa Takahashi, Tsukasa Nishiki

Indonesian Petroleum Association

...) and they are automatically analyzed from data at every zero-offset sample. Since CRS parameters can be converted to RMS velocity, a high-density RMS velocity field...

ABSTRACT Geopressure Impact on Seismic Interpretations: Case Histories from the Gulf of Mexico , #90104 (2010)

Shaker Selim S.

Search and Discovery.com

... and geopressured sedimentary sections. This is revealed by study of seismic velocities (RMS) at numerous CMP’s  and sonic velocity slowness of several wells...

Quantitative analysis of DAS recorded P-wave generated by perforation shots

Peiyao Li, Ge Jin

International Meeting for Applied Geoscience and Energy (IMAGE)

... for spatial phase velocity variation, gamma-ray, and RMS amplitude is the same. By comparing the top and bottom panel in Figure 4, we noticed a low API...

Azimuthal Velocity Analysis of 3-D Pre-Stack Seismic Data for Fracture-Induced Anisotropy in the Altamont-Bluebell Field

Khaled Al Dulaijan, Gary Margrave

Unconventional Resources Technology Conference (URTEC)

...raveltime residuals mostly indicate a fast velocity direction in the northwest direction around 220o. Those residuals used to calculate traveltimes in equ...