Design of Land 3-D Surveys, by Mike Galbraith, #40139 (2004).

Search and Discovery.com

Enhancing Seismic Discontinuity Attributes with Creative Workflows; #42025 (2017)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... and are free of processing artifacts such as multiples and over- and under-migration. We believe this to be true in most cases; and in those cases where...

Discriminating Gas Bearing Sands from Shale Using Rock Physics Guided Inversion, #40909 (2012)

Ahmed W. Daghistani, Aiman M. Bakhorji, Husam M. Al-Mustafa

Search and Discovery.com

... showed the best discrimination between the two lithofacies. Moreover, AVO analysis suggested that the gas bearing sand in well “A” exhibits a class 4 AVO...

Abstract: Successful Imaging Below Salt: Technique and 2 Case Histories, by R. Marschall, H.-J. Zoch, C. Henke, M. Krieger, and F. Kockel; #90923 (1999)

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Salt Geology and New Plays in Deep-Water Gulf of Mexico, by Abu Chowdhury and Laura Borton, #10132 (2007).

Search and Discovery.com

Abstract: The Value of Re-Processing Legacy Onshore Seismic Data with Advanced Workflows; #91209 (2025)

Ahmed S. Barakat, David M. McCarthy, Shady Hassan, Mostafa Khalil, Oleg Khakimov, Khyzer Munir, Andrew Sutherland, Mokhles Ahmed

Search and Discovery.com

.... Well known challenges of onshore data in the Middle East included strong multiples and a high noise content due to the complex near surface. An added...

Abstract: Detection of Naturally Occurring Micro-Fractures

Jamal Ass'Ad

Houston Geological Society Bulletin

... are calculated using the first arrivals, and velocities measured from data for two different models with velocity (S1) is almost constant...

Crustal Structure of Oklahoma: Abstract

Eysteinn Tryggvason, Bob Qualls

Tulsa Geological Society

... horizontal layers in the crust and a horizontal boundary (moho) between the crust and the upper mantle. In addition there is a low velocity surface layer...

Aspects of Rock Physics From Laboratory and Log Data that are Important to Seismic Interpretation: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data

A. R. Gregory

AAPG Special Volumes

... for explaining observed relations. Correlations between velocity, porosity, density, mineral composition, and geologic age, and their dependence on pressure...

Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data

Paul L. Stoffa

Circum Pacific Council Publications

... information. Detailed velocity resolution is also an aid to lithologic identification and discrimination. Velocity data cannot be accurately derived using...

Application of Zero Offset 2D CRS-Stack Method for Low Fold Data: Synthetic and Real Data Examples

R. Sule, A. Hendriyana, P. D. Anggraini, Fatkhan, Alfian, Sardjito, Waluyo, Adriansyah

Indonesian Petroleum Association

... is tested and compared with the results obtained from conventional stack method. As has been already known, velocity analysis is a processing step that should...

Abstract: The Correlation of Bulk Density, Porosity and Velocity of Cores from Varies Depth in CTW-1 Well of Kati Formation in UTP Campus, Seri Iskandar, Perak, Malaysia

Norsyafiqah Binti Salimun, Abdul Ghani Rafek, Khairul Arifin Mohd. Noh

Geological Society of Malaysia (GSM)

... is between 2.275 g/cm3 to 2.679 g/ cm3. The P-wave velocity ranges from 2168 m/s to 5232 m/s while the S-wave velocity ranges from 1454 m/s to 3050 m...

Time-Lapse Imaging of a Hydraulic Stimulation Using 4-D Vertical Seismic Profiles and Fiber Optics in the Midland Basin

Robert Meek, Kevin Woller, Mark George, Robert Hull, Hector Bello, Jed Wagner

Unconventional Resources Technology Conference (URTEC)

... carbonate layers in the Clearfork section from 6500ft to 8000ft create a series of high velocity interbed multiples that obscure the Spraberry...

AVO Attributes of a Deep Coal Seam

Search and Discovery.com

... discrimination of coal from other reflections in seismic data, and for prediction and geological characterizations of coal seams under deep conditions...

Abstract: A Joint LSPSM/Inversion Algorithm for High Resolution Time Lapse Imaging; #90187 (2014)

Abdolnaser Yousefzadeh and John C. Bancroft

Search and Discovery.com

... is the reflectivity at the time of the monitor surveying, and is the difference in reflectivity between two data acquisitions. The monitor survey records...

Maximizing imaging resolution and amplitude fidelity of low-dip stratigraphic traps through continued optimization of seismic acquisition and processing: A case study from the Guyana South East Stabroek Block

Yaxun Tang, Fuxian Song, Lorie Bear, Mark Widmer, Luke Wilson, Vikas Gudipati, Rishi Bansal, Steve Knapp, Chunshou Xia, Wei Zhao, Yu Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... iteration, DCT minimized the differences between input and target dip field while reducing the residual depth moveout. In additional to velocity model...

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... and AZimuth (AVAZ) (Lynn et al., 1996; Rüger, 1998; Gray et al., 2000) or Velocity Variation with AZimuth (VVAZ) (Tsvankin, 1997; Li, 1997; Grechka...

Fracture Detection by Azimuthal Differential Residual Moveout

Juefu Wang

Search and Discovery.com

... and AZimuth (AVAZ) (Lynn et al., 1996; Rüger, 1998; Gray et al., 2000) or Velocity Variation with AZimuth (VVAZ) (Tsvankin, 1997; Li, 1997; Grechka...

Acoustic/elastic wavefield injection and reconstruction from ocean-bottom data for elastic RTM

Bingkai Han, Weijian Mao, Xiao-Bi Xie

International Meeting for Applied Geoscience and Energy (IMAGE)

.... Downgoing source- and receiver-side free-surface multiples can be excluded when both pressure and velocity boundary values are injected. We validate...

EXTENDED ABSTRACT: Regional Geology of Deep Water Salt Architecture, Offshore Gulf of Mexico

Chowdhury, Abu and Lopez-Mora, Simon

GCAGS Transactions

... wells were integrated with the seismic stacking velocities to create a velocity model with which to migrate the sediments. The top salt...

Principles and Techniques of VSP Data Processing

A.A. Tabakov, V.N. Ferentsi, H.Garvini

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... of various geological problems even in very complicated conditions. The way to achieve this and take all of the VSP advantages (such as efficient velocity...

Seismic Reservoir Characterisation of a Channel Sand Oil and Gas Field, Malaysia (Paper A11)

T. J. Focht, M. Sams, D. Brookes, J. Ting

Geological Society of Malaysia (GSM)

... sub-stacks between 5 and 40 degrees, which initially seemed to be sufficient for the purpose of extracting useful Vp/Vs information from seismic...

Lithology Prediction by Extrapolating Well Data

Brian Barley, Dean Chergotis, Mai Wilson, Susan Young

Indonesian Petroleum Association

.... Figure 5. Velocity/overpressure crossplot Whenever a crossplot between velocity or density and a new variable shows a quantifiable trend, we have...

III. Processing For Preservation of Seismic Amplitudes

Norman S. Neidell

AAPG Special Volumes

... which cause the seismogram to be generally weaker with increased reflection time. Against this background the amplitude distinction between a strong...

Uncertainty Analysis for Top Tuban Carbonate Prediction using Velocity Modeling Design in "Aquila" Field, East Java Basin

Ayu Indri Firdani, Azhar Kholiq Affandi, Erik Wahyu Irawan, Kamal, M. Wahdanadi Haidar, M. Freddy Yulisasongko

Indonesian Petroleum Association

... area.   Figure 2 - Depth conversion using linear trend velocity. The time depth-curve represents a low correlation between the well and seismic data...