Eye-Openers from Re-Processing of Oil Sands Seismic Data; #41290 (2014)

David Gray, Seann Day, and Scott Shapper

Search and Discovery.com

... on the left over semblance display) and correct (white trace over semblance) RMS velocities. Their effect on a gather is shown on the right. Interval...

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)

... from those deeper in the section other than a need for gradual change. In the case of PreSDM, interval velocities describe the velocity model...

A Comparison of Depth-Conversion Methods in the Gulf of Mexico

Melvan D. Carter, Gary R. Hyatt

GCAGS Transactions

... Company, Dordrecht, Holland Dix, C. H., 1955, Seismic Velocities from Surface Measurements, Geophysics 20, No. 1, 68-86 Fischer, J. S., Good, W. E., Carter...

Influence of Pressurized Shale of Akata Formation on Clastic Reservoir Developments, Offshore Niger Delta Using Seismic-Attributes Modeling; #40844 (2011)

Jonathan Johnson

Search and Discovery.com

... & Horizons • MR-1 • MR-2 • MR-3 LAYER CAKE VELOCITY MODEL:T CONVERSIONS -D Pseudo-Interval Velocities Calculation Structural Map Horizon: MR-1...

Case History: Rulison Field, Colorado, Fracture Detection, Mapping, and Analysis of a Naturally Fractured Gas Reservoir Using P-wave Reflection Seismic

Heloise B. Lynn, K. Michele Simon, Vello Kuuskraa, Dave Decker

Four Corners Geological Society

... (N60E/N30W), average interval frequency, interval AVO gradient, and interval RMS reflection strength (all offsets stacked). AVO modeling provided...

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

... is only related to the RMS velocity at this location, amplitude distribution in the angle domain involves all velocities vertically above this location so...

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

T. Matarid

Search and Discovery.com

... to an ellipse to find out the fast and slow velocity direction and the difference between those velocities. The Interval Velocity is sensitive to Lithology...

A Simple Guide to Depth Conversion: Part I

Ashley Francis

GEO ExPro Magazine

... velocities, sonic logs from well data, and checkshot and VSP surveys, also obtained from wells. Seismic processing velocities in their most basic form...

ABSTRACT: The Identification Of The Depostional Environments Of The Cruse, Forest And Morne L’Enfer Formations In The Southern Half Of The Gulf Of Paria, Trinidad, West Indies, by Archie, Curtis; #90026 (2004)

Search and Discovery.com

The Geophysical Aspects of Abnormal Fluid Pressures

Edward B. Reynolds, John E. May, Alf Klaveness

Houston Geological Society

... reflection time is the velocity analysis (Figure 1c). Interval velocities can then be readily computed. Figure 1C. Examples of velocity analyses from two...

The ELLA GRA Process - Concepts and Methods for the Prediction of Reservoir Hydrocarbon Type Using Ratios of Gas Chromatography C1-C5 Gases; #42122 (2017)

Raymond M. Pierson

Search and Discovery.com

... $$ from what was contained in the rock 2017 RMS-AAPG Raymond M. Pierson 6/27/2017 Conflicting Consensus “The Mudlog giveth and the e-log taketh...

Reservoir Characterisation Study: Inter Well Reservoir Property Prediction and Mapping by Petrophysics Data and Seismic Data Integration

Robi Junipa, Michel Bee

Indonesian Petroleum Association

... such as geological marker, well logs, seismic horizon, check-shots, TD of synthetic seismograms and RMS seismic velocities from processing. Special attention...

A Time Migration Before Stack

Richard Cooper, Malcolm Hobson

Geological Society of Malaysia (GSM)

... angle, thus in areas of complex geology deriving the interval velocities from the optimum RMS stacking velocities using the Dix equation will produce...

Building the Messinian Salt Layer in the East Mediterranean Basins

Search and Discovery.com

Section 2: Improvement of Seismic Images of Complex Tectonic Structure in Deep Water with Research-Level Processing Sequences

John Miller and Roland von Huene

AAPG Special Volumes

... gradient of these data. CDP 180 in the Aleutian Trench and CDP 400 on the first terrace are interval velocity gradients from RMS stacking velocities...

AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction

David W. Bell

AAPG Special Volumes

... calculated from good-quality, vertical-incident check shots are accurate within 0.5% or less. Interval velocities between closely spaced check...

Prestack Seismic Data Inversion for Shale Gas Reservoir Characterization in China

Gang Yu, Yusheng Zhang, Ximing Wang, Xing Liang, Uwe Strecker, Maggie Smith

Unconventional Resources Technology Conference (URTEC)

... framework built from horizons producing 100% well based model; Calculate an interval velocity cube from smoothed seismic RMS velocities and calibrated...

Prestack Seismic Data Inversion for Shale Gas Reservoir Characterization in China; #41829 (2016)

Gang Yu, Yusheng Zhang, Uwe Strecker, Maggie Smith

Search and Discovery.com

... producing 100% well based model;  Calculate an interval velocity cube from smoothed seismic RMS velocities and calibrated to upscaled log having similar...

Geology of the Attaka Oil Field, East Kalimantan, Indonesia

C. M. Schwartz, G. H. Laughbaum Jr., B. S. Samsu, J. D. Armstrong

Indonesian Petroleum Association

... and gas accumulation on the crest of the Attaka structure. Use of lower RMS stacking velocities in this crestal area in comparison with the RMS stacking...

Intra-Muda Shallow Gas in Cumi-Cumi PSC, Natuna Sea - a Driller's Nightmare Becomes a Geophysicist's Dream

Martin Bennett

Indonesian Petroleum Association

... the crest of the Boundary High. Dix interval velocities were extracted from the RMS velocity tables for the interval Top Reservoir to Intra-Muda Marker...

Deep Dix: Enhancing interval velocity model estimation through adversarial regularization

Joseph Stitt, Robert Clapp, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity is known, we can relate the RMS velocity to the measurement of velocities through each layer called interval velocities, which are usually...

Velocity Analyses of Near Seafloor Strata Based on Multichannel Seismic Data from the Tonga Platform

Jeffrey E. Cole, Dennis M. Mann

Circum Pacific Council Publications

... the resultant corrected gathers exhibited good removal of normal moveout (Figure 7A), the calculated interval velocities where unreasonably low, ranging from...

Large-Scale Pore Pressure Prediction After Pre-Stack Depth Migration in the Caspian Sea (Geophysics Paper 24)

Norbert van de Coevering, Hazim Hameed Al-Dabagh, Liau Min Hoe, Tony Jolly

Geological Society of Malaysia (GSM)

... to be converted from RMS to interval velocity. Normally, the regularly sampled velocity field (in time) is converted using Dix’ approximation (Dix, 1955...

Delaware Basin Horizontal Wolfcamp Case History: HTI Fracture Analysis to Avoid H2S and Extraneous Water Linked to Graben Features

Scott Cook, Mike McKee, Sid Bjorlie

Unconventional Resources Technology Conference (URTEC)

... of the sinusoid, meaning that the anisotropy measured from the travel times is the RMS (root mean square) anisotropy, not the interval anisotropy associated...

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...