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The AAPG/Datapages Combined Publications Database

Showing 31,878 Results. Searched 195,354 documents.

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Abstract: Wide Azimuth Interpolation; #90211 (2015)

Daniel Trad, Jeff Deere, and Scott Cheadle

Search and Discovery.com

... techniques, such as migration, have strict requirements on information content in the input seismic data. Although not a substitute for well-sampled field...

2015

Quantifying the Benefit from Pressure Gradient Data in Wavefield Reconstruction for Time-Lapse Seismic, #40843 (2011)

Phil Christie, Kurt Eggenberger, Everhard Muyzert, Massimiliano Vassallo, Ali Özbek

Search and Discovery.com

... navigation systems and steerable streamers, matching seismic survey geometries can require spatial oversampling and/or wavefield interpolation. Because...

2011

Sumpal Fractured Basement Field, Structural Attribute Analysis and Interpretation Case Study, Workflow Management and New Insights from Pre-Stack Depth Migrated Data and Azimuthal Stacks

Yan Darmadi, John Hughes, Sugiharto Danudjaja, Rita Achdiat

Indonesian Petroleum Association

... spatial aliasing of steep dips. Furthermore, the average fold is low being approximately 40 fold (Figure 2) leading to concerns about signal to noise...

2014

Abstract: The Resolution Revolution

Andrew Long

Petroleum Exploration Society of Australia (PESA)

... operations-notably pre-stack migration. Aliased data creates migration noise, which degrades the signal -to-noise quality of all seismic events...

2003

Acquisition, Processing, and Analysis of Shallow, High-Resolution Seismic Data from the Outer Continental Shelf and Upper Slope, Offshore Louisiana

Susan E. Nissen , Janet M. Combes , Anthony G. Nekut

Journal of Sedimentary Research (SEPM)

.... A CDP spacing of 2.2 m or less would be required in order to avoid spatial aliasing of the 1200 Hz events at a dip angle of 8°. ABDULAH, K.C....

1999

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

... performance of finite-difference operators, reverse-time migration (RTM) produces images which are typically low frequency or require large computational...

2013

High-EffortŽ Seismic Acquisition: Improving Image Detail; #41568 (2015)

David C. Henley, Kevin Hall, Henry Bland, Eric Gallant, Gary Margrave, Malcolm Bertram

Search and Discovery.com

.... For most routine seismic surveying, the acquisition geometry is designed to sample the anticipated subsurface features without spatially aliasing...

2015

Quality Data at a Reduced Price: Innovative Approaches in 3-D Acquisition and Processing

Mars E. Semaan, Michel F. Bee, Maryanto, Gerard Dufourd, Eddy A. Sentani

Indonesian Petroleum Association

... data. In order to image these steep shallow events on the flank of the structure, the ideal bin size required to avoid spatial aliasing, assuming...

1995

Basic Seismic Processing: Part 7. Geophysical Methods

Peter M. Duncan

AAPG Special Volumes

... width in space, which reduces spatial resolution. As the seismic wavefront travels outward from the source, it not only gets weaker (as a result...

1992

Aspects of Seismic Resolution: Chapter 1

R. E. Sheriff

AAPG Special Volumes

... considerations. However, on migrated sections other factors become important, such as noise on the unmigrated section, spatial aliasing, migration aperture...

1985

The Use of Modern 3D Seismic Data Processing Techniques, 5D Interpolation, and Anisotropic PSTM to Improve Existing 3D Data in South Louisiana Data—Pulling the Scales from our Eyes; New Truth from Existing Datasets

John Asma, John Stevens, Sukhdev Hyare, Dave Spaulding

GCAGS Transactions

... that can be mined. Multi-dimensional interpolation schemes and anisotropic pre-stack time migration are welcome additions to the standard processing library...

2013

Application of General Surface Multiple Prediction, a True Azimuth 3D Surface Related Multiple Elimination Technique, in the Deep Water Area of the Eastern Makassar Strait

Andreas T. Waluyo, Frank Büker

Indonesian Petroleum Association

... simulating reflectors and aliasing due to steep dips. This paper outlines the processing effort to address the multiples related to these features...

2009

Abstract: Image Enhacement After Migration; #90174 (2014)

John C. Bancroft, Thais Guirigay, and Helen Isaac

Search and Discovery.com

...Abstract: Image Enhacement After Migration; #90174 (2014) John C. Bancroft, Thais Guirigay, and Helen Isaac AAPG Datapages/Search and Discovery...

2014

Noise Attenuation in Common Receiver Gather to Enhance S/N Ratio in Seismic Data

Dara Felisia A, Triswan Mardani Ade Surya, R.B.Fauzan Irshadibima, Firman Syaifuddin

Indonesian Petroleum Association

.... Similarly, conventional f-k filtering cannot be applied easily and must be used cautiously due to spatial aliasing of the air waves (Steeples and Miller, 1998...

2017

Vertical and Lateral Seismic Resolution and Attenuation: Part 7. Geophysical Methods

R. E. Sheriff

AAPG Special Volumes

... migration effectively collapses the in-line aspect of the Fresnel zone, so this measure of resolution is not appropriate with the migrated seismic...

1992

Interpolation Using Higher Dimensions: A Case Study ON KE2 Three-Dimensional Transition Zone Seismic Survey, Madura Field, Indonesia

Cecep Sutisna, Frans Langitan, Vishal Kumar, Keat Huat Teng, Pongga Wardaya

Indonesian Petroleum Association

..., as azimuth is assumed to be nearly constant. Typical 3D seismic data always suffer from poor acquisition sampling along one or more spatial dimension...

2015

Fundamental 3-D Seismic Survey Design

Stuart Wright

Rocky Mountain Association of Geologists

.... As the dips get greater, the cells need to be smaller in order to avoid spatial aliasing. More precise relationships will be discussed later in the design...

1995

Abstracts: Prestack Interpolation of a Sparsely Acquired and Heavily Structured 3D Land Data Set; #90173 (2015)

Dan Negut, Dave Ganley, Muyi Kola-Ojo, Dennis Quinn, Juefu Wang, Angela Truong, and David Emery

Search and Discovery.com

... an optimal set of spatial Fourier coefficients that at once reconstruct the existing (i.e., sparsely acquired) input traces and also exhibit certain...

2015

Aspects to the Resolving Power of 3D Seismic Surveys

Wolfgang Houba

Geological Society of Malaysia (GSM)

... to an optimum velocity field determination for stacking and migration. RESOLVING POWER OF 3D SEISMIC SURVEYS 39 Spatial aliasing and migration...

1985

Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... of the propagating medium changes with depth. On 3D seismic data, surface waves damage signal amplitude characteristics, create migration artifacts...

2012

Improved Understanding and Interpretability Beneath the Complex Accretionary Section in West Timor, Indonesia, Via Marine Broadband Seismic and Beam Depth Migration

Mazin Farouki, Felice D'Alterio, Erika Gentile

Indonesian Petroleum Association

... Depth Migration Mazin Farouki, Felice D'Alterio, Erika Gentile IPA12-G-080 PROCEEDINGS, INDONESIAN PETROLEUM ASSOCIATION Thirty-Sixth Annual...

2012

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

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

Geological Society of Malaysia (GSM)

... with some logarithmic stretch formulation or Integral/Summation (Kirchhoffstyle) methods with provisions for spatial aliasing and dip constraints. Fourier...

1996

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