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The AAPG/Datapages Combined Publications Database
Showing 17,462 Results. Searched 195,372 documents.
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
..., the spatial aliasing problem is mitigated by the inherent low frequency signal from fault plane energy (aliasing is a function of spatial sampling...
2014
Abstract: The Resolution Revolution
Andrew Long
Petroleum Exploration Society of Australia (PESA)
... of a large frequency bandwidth throughout all stages of A common frustration with 3D acquisition is that high -quality resolution observed on existing 2D...
2003
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...
2014
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
Fundamental 3-D Seismic Survey Design
Stuart Wright
Rocky Mountain Association of Geologists
... with uniform attributes, changes in amplitude, frequency, and other geophysical measurements are probably indicative of changes in reservoir...
1995
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...
2016
Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)
Aaron Stanton
Search and Discovery.com
... lower, and the lower velocity receiver side ray path makes the aliasing frequency of converted waves lower than their P-wave counterpart. One way...
2015
Abstract: Investigation of Seismic Imaging Capabilities for Small, Shallow Carbonate-Hosted Massive Sulphide Deposits; #90187 (2014)
Laura Quigley and Bernd Milkereit
Search and Discovery.com
... small trace spacing (4-5m) is needed so that spatial aliasing of shear and surface waves is avoided. With a seismic source frequency centered at 75Hz...
2014
Abstract: Multi-component or Vector Dip Filtering Using the S-transform; #90187 (2014)
Kristof De Meersman and Majda Mihoub
Search and Discovery.com
... in a way that handles irregular spatially sampled data as well as non-stationarity in time and frequency. The result is a method to estimate...
2014
Shipboard Processing and Interpretation
D.M. Angstadt
Geological Society of Malaysia (GSM)
... is used to tailor the processing flow to the data and design correct filters based on the frequency characteristics of the recorded signal, data...
1992
Broadband Seismic Technology and Beyond: PART X: IsoMetrix Isometric Sampling
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... of the limitations is the effect called aliasing. Once more, we step back to basics. An example of aliasing can be seen when watching wagon wheels in old Westerns...
2014
Optimization of Seismic Acquisition Design Using Ocean Bottom Nodes at 'MHS' Field
M Hanif Syamri, Ruhul Firdaus, Syamsurijal Rasimeng, Agung A. Susanto
Indonesian Petroleum Association
... frequency unliasing, tuning thickness, aperture migration. This study makes a comparison of geometry survey orthogonal-1, orthogonal-2, orthogonal-3...
2019
Abstract: Seismic Data Decomposition into Spectral Components Using Regularized Nonstationary Autoregression; #90187 (2014)
Sergey Fomel
Search and Discovery.com
...-frequency decomposition over a set of regularly sampled frequencies (Liu and Fomel, 2012). When the input signal is fitted to shifted versions...
2014
High Performance Seismic Data Migration for High Resolution Interpretation
C. N. Chernoff
Indonesian Petroleum Association
... properly. The trace spacing must be fine enough to avoid aliasing and algorithm shortcomings. The frequency bandwidth should be as broad as the noise versus...
1983
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
... structures. • Very high frequency anomalies are noise. • Interested in anomalies in between. • Use simple processing. Test “robustness” of anomaly...
2011
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
... dimensions can also be represented by inline, crossline, offset, azimuth, and frequency. For narrow azimuth data, the dimension reduces to four...
2015
Can Sparse OBN Equal Savings and Data Quality?
Yannick Cobo, Rodrigo Felicio, Carlos Calderon, Paul Farmer, ION
GEO ExPro Magazine
... broader frequency spectra, longer offsets and richer azimuthal coverage. However, these qualities usually come with a higher price. One way to decrease...
2021
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
... the receiver ghost and associated ghost frequency notches via wavefield separation of the recorded data into its component up-going and down-going wavefields...
2012
Utilizing Seismic in Exploring for Subtle Traps
Kevin Werth, Patrick Bygott, Edward Teyland
PTTC
...,. frequency, aIJd other geophysical measurements are probably indicative of changes in reservoir characteristics and not designirregularities. The final...
2003
Reading Between the Lines
Steve Harries
GEO ExPro Magazine
... developments in seismic sources and sensors have improved the frequency bandwidth that can be input to the subsurface and subsequently recorded back...
2012
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
... properties of coherence in the frequency-wavenumber domain, where “wavenumber” is understood to comprise multiple spatial dimensions. At each temporal...
2015
Abstract: Statics Preserving Sparse Radon Transform; #90224 (2015)
Nasser Kazemi
Search and Discovery.com
... aperture of the data, missing traces, aliasing, finite number of scanned ray parameter, noise and statics are the major sources of artifacts. This fact...
2015
Microtremor Studies in Roosevelt and Beowawe Geothermal Areas
Alfred L. Liaw, Wayne Suyenega
Circum Pacific Council Publications
... state-of-the-art seismic array data acquisition and frequency-wavenumber processing techniques. T h e purpose of our study is to investigate...
1982
Study of the Seismic Attenuation Generated by the Mud Layer in Lake Maracaibo, Venezuela
J. Perez, E. Andara, B. Malave
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... to observe the ambient noise, industrial noise, aliasing and low frequency in almost all the seismic sections. The most important feature observed...
2006
Field Technique Design for Seismic Reflection Exploration
L. R. Denham
Dallas Geological Society
... filter, geophone frequency, record length, geophone array, and spread type. Traditionally, these parameters have been constrained by hardware (e.g....
1982