Seismic Acquisition in the Sub-Andean Belt of Bolivia

Jair R. de S. Soares Filho, Roberto D. Chaves

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... point intervals show better lateral resolution, avoiding aliasing. This analysis also indicated that the use of small charge amounts improves...

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...

Maximising the value of 2D hard rock seismic acquisition at Escondida Porphyry Copper Mine

Heather Schijns, Gabriel Madero

Petroleum Exploration Society of Australia (PESA)

... dips without compromising station spacing requirements for spatial aliasing, and 3) lack of historic surveys and/or petrophysical information...

Abstract: The Resolution Revolution

Andrew Long

Petroleum Exploration Society of Australia (PESA)

... data being input, free of aliasing. Figure 3 presents a migrated time slice at 0.15 s TWT. Note the almost total absence of any acquisition footprint...

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

..., the results improve as the completeness of the input wave field increases. Aliasing and poor event continuity are some of the artifacts generated...

Three-Dimensional Seismic Method: Part 7. Geophysical Methods

Oz Yilmaz

AAPG Special Volumes

... pass of migration, the data sometimes need to be trace interpolated along the cross-line direction to avoid spatial aliasing. 3-D VERSUS 2-D...

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

R. E. Sheriff

AAPG Special Volumes

... are required by sampling theory to prevent aliasing. An aliased signal appears in the seismic record at lower frequency and/or dip than is real...

Abstract: Ground Roll Attenuation via SVD and Adaptive Subtraction; #90171 (2013)

Peter Cary and Changjun Zhang

Search and Discovery.com

... roll but they can have limited success because of irregular trace spacing and data aliasing. They also can generate artifacts due to spatial impulse...

Why 3D Seismic Missed a Giant Field in the Eastern Venezuela Thrust Belt; Postmortem of a Late Discovery

Search and Discovery.com

... direction. This caused spatial aliasing and lack of illumination in the other directions, making seismic processing and interpretation quite challenging...

Abstract: Ground Roll Attenuation via SVD and Adaptive Subtraction; #90171 (2013)

Peter Cary and Changjun Zhang

Search and Discovery.com

... roll but they can have limited success because of irregular trace spacing and data aliasing. They also can generate artifacts due to spatial impulse...

Abstract: Physical Testing of the Effect of Tilting on the Reflection Coefficient in an Anisotropic Material; #90172 (2014)

Miryam Ortiz-Osornio, Douglas R. Schmitt

Search and Discovery.com

... resolution in the frequency domain, and avoid aliasing, we record 30,000 samples with a sampling interval of 0.002 s. The experiments are carried out...

Abstract: Fourier Domain Regularization 5D and More; #90174 (2014)

V. Khatchatrian

Search and Discovery.com

.... To prevent data aliasing especially if substantial upsampling is the objective, the search area of the spectrum is truncated at the current values...

Abstract: Kirchhoff Imaging in a Matrix Form. Part I: Modelling; #90174 (2014)

Abdolnaser Yousefzadeh and John C. Bancroft

Search and Discovery.com

...) equation to calculate the modelling time for each sample in each trace. Proper weighting functions, filtering, interpolation, dip, and aliasing controls...

Essentials of Streamer Marine 3-D Surveys, by Malcolm Lansley, #40140 (2004).

Search and Discovery.com

Constraining Seismic Interpretation with Aeromagnetic Data, by John W. Peirce, #40606 (2010).

Search and Discovery.com

Evaluation of the Effectiveness of Using Gravity and Magnetic Data to Define 3-D Seismic Survey Areas for Fault Related Hydrothermal Dolomite Reservoir Identification; #40711 (2011)

Alan W. Hinks, Robert L. Schulz, Eric R. Johnson

Search and Discovery.com

... by using several methods. • To define anomaly character and avoid aliasing, use densely sampled accurate data. Magnetic and gravity data sets...

Design of the Acoustic Zoom Method for Non-Specular Backscatter Imaging of the Eagle Ford Formation, #41495 (2014).

J. Guigne, S. Azad, C. Clements, A. Gogacz, W. Hunt, A. Pant, J. Stacey

Search and Discovery.com

... ranged from 5 to 170 Hz. Figure 1: The receiver antenna design, specified in units of wavelengths, eliminates aliasing of received signals...

Volumetric Fault Enhancement Applications; #41869 (2016)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

..., and for that matter any attribute that is generated therefrom. Due to operator aliasing, acquisition footprint and other noise, almost all coherence data volumes...

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...

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

... direction, running the risk of spatially aliasing the steeply dipping events that make up the accretionary section. Accordingly, the data was interpolated...

Can Sparse OBN Equal Savings and Data Quality?

Yannick Cobo, Rodrigo Felicio, Carlos Calderon, Paul Farmer, ION

GEO ExPro Magazine

... a baseline for future limit the imaging quality because of spatial aliasing and high-density infill for reservoir development as well as reduced signal...

MAZ Processing for Basement Fracture: A Case Study on 3D Conventional Land Seismic Dataset

Ahmad Zazeli Fuadi, Yatty Surtiati

Indonesian Petroleum Association

... a concept of Fresnel zone and spatial aliasing to calculate the actual bin size in our target (basement fracture). The actual bin size will become...

Early Devonian Marine Isotopic Signatures: Brachiopods from the Upper Gaspe Limestones, Gaspe Peninsula, Quebec, Canada: DISCUSSION

Nicholas R. Bates

Journal of Sedimentary Research (SEPM)

...) does not discuss in detail his results in the context of the large variability of the isotopic record, its potential aliasing, and its relevance...

Abstract: A Low Rank Based Seismic Data Interpolation Via Frequency-Patches Transform and Low Rank Space Projection; #90224 (2015)

Zhengsheng Yao, Mike Galbraith, and Randy Kolesar

Search and Discovery.com

... in time and the aliasing problem is immaterial. Low rank via projection Because column vectors in the singular value decomposition matrix, commonly...

Utilizing Seismic in Exploring for Subtle Traps

Kevin Werth, Patrick Bygott, Edward Teyland

PTTC

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