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The AAPG/Datapages Combined Publications Database
Showing 18,799 Results. Searched 200,357 documents.
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
Poisson binomial-based random undersampling scheme for near-surface compressive sensing
Sayan Mukherjee, Yunyue Elita
International Meeting for Applied Geoscience and Energy (IMAGE)
... with equal probability. The jittered uniform and Bernoulli distributionbased sampling methods diminish the randomness that may result into spatial aliasing...
2022
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
Deep learning approach for denoising and resolution enhancement of poststack seismic data
Ruslan Malikov, Tatyana Yusubova, Izat Shahsenov
International Meeting for Applied Geoscience and Energy (IMAGE)
... interpretation. The second algorithm implements a non-linear approach to enhance the seismic data frequency content to facilitate the identification...
2024
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
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
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
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
Current and future multicomponent towed streamer design
Nicolas Goujon, Susanne Rentsch, Leendert Combee, Fabien Guizelin, Khairul Faizi Ahmad
Petroleum Exploration Society of Australia (PESA)
... and maximum frequency (under the same towing conditions) depends on the mechanical properties of the cable, and that they could be reduced by using a new...
2019
Optimised 3D Land Geophysical Survey Design - A Case Study
P. van Baaren
Papua New Guinea (PNG) Petroleum Convention Proceedings
... the maximum trace spacing which will not alias in migration, V the velocity (interval at the target or average velocity), fm the ax maximum frequency...
2000
Acoustic-Based Injectivity Monitoring at the Perforation Scale
Joseph Ma, Glenn Wilson, Rory DeHart, Jacob McGregor, Mikko Jaaskelainen
Carbon Capture, Utilization and Storage (CCUS)
... to surface and operating machinery noises. Most signals recorded are only electronic noise and its aliasing. In steady-state conditions, the injection...
2025
Multichannel compressive sensing for seismic data reconstruction using joint sparsity
Iga Pawelec, Michael Wakin, Paul Sava
International Meeting for Applied Geoscience and Energy (IMAGE)
... acquisition relies on recording the particle motion on a regular grid, with spacing between stations dictated by the maximum frequency of the signal...
2022
A simultaneous wavefield separation and denoising approach for vertical seismic profile using geometric mode decomposition
Salman Abbasi, Jubran Akram, Andres Chavarria, Vikram Jayaram, Iftekhar Alam, Dmitry Borisov, Yanwei Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... separation and denoising in VSP datasets. The GMD-F method optimizes linear patterns within amplitude-frequency modulated modes and can efficiently...
2024
Higher Trace Density Recording for Foothills 3D Surveys
R. Malcolm Lansley
Search and Discovery.com
... density recording are two-fold: first, finer spatial sampling (i.e. smaller bin size) that reduces the liklihood of aliasing either steeply dipping...
Unknown
Higher Trace Density Recording for Foothills 3D Surveys
R. Malcolm Lansley
Search and Discovery.com
... density recording are two-fold: first, finer spatial sampling (i.e. smaller bin size) that reduces the liklihood of aliasing either steeply dipping...
Unknown
Characterization and simulation of transverse noise waves of a multisensor solid streamer
Viktor Smirnov, A. Sourice, J. Ribette, J. Mars, P. Herrmann
International Meeting for Applied Geoscience and Energy (IMAGE)
... spectrum. The angle and frequency dependent reflection of the seismic wavefield at the water-air interface causes destructive interference...
2022
Source location using physics-informed neural networks with hard constraints
Xinquan Huang, Tariq Alkhalifah
International Meeting for Applied Geoscience and Energy (IMAGE)
... for focusing energy at microseismic source locations under the premise of timereversal imaging. However, the imaging process is prone to aliasing problems...
2022