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Showing 3,455 Results. Searched 195,452 documents.
Abstract: Big Seismic Era Time to Change the Old Ways? How High-Density Seismic Technology Affects Way We Acquire and Process Land Data; #90310 (2017)
Anastasia Poole, Phillip J. Bilsby
Search and Discovery.com
... algorithms were developed to deal with coherent noise, near-surface variations, and irregular sampling. 5D regularization and interpolation are now...
2017
Seismic Time-Frequency Analysis by Empirical Mode Decomposition; #41513 (2015)
Jiajun Han, Mirko van der Baan
Search and Discovery.com
... (2009) eliminate the first EMD component in the f-x domain to attenuate random and coherent seismic noise. Huang and Milkereit (2009) utilize the EEMD...
2015
Developing a robust geologic conceptual model using pseudo 3-D P-wave seismic reflection data
Adrian D. Addison, Michael G. Waddell, Camelia C. Knapp, Duke T. Brantley, John M. Shafer
Environmental Geosciences (DEG)
...).An f-k filter was used to remove coherent linear noise (Yilmaz, 1987), in the case of this data set, ground roll or surface waves. Figure 6 shows a shot...
2009
The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)
Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,
Search and Discovery.com
... source-generated noise. Shot gathers are transformed into the linear τ-p domain, a τ-p filter so designed eliminates majority of source-generated noise...
2011
Abstract: Elastic Finite-difference Modeling for Testing Acquisition and Processing Methods; #90187 (2014)
Peter Manning, Joe Wong, and David Henley
Search and Discovery.com
... weathering pockets. The resulting shot records must be processed to suppress noise and to find surface consistent statics in order to enhance signal...
2014
Spikes in Your Acquisition? How to Minimize their Impact through Field and Processing Techniques.
Paula A.C. Barbosa, Jose A. Jaramillo, Jose H. Olaya
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... TO MINIMIZE SPIKES “Spikes” are a type of coherent noise in the shot domain, which can be easily recognized after the application of a spiking...
2006
Abstract: Empirical Mode Decomposition Based Instantaneous Spectral Analysis and its Applications to Heterogeneous Petrophysical Model Construction; #90171 (2013)
Jun-Wei Huang and Bernd Milkereit
Search and Discovery.com
..., M.,(2008b), Random and coherent noise attenuation by empirical mode decomposition, SEG Expanded Abstract, SEG Las Vegas 2008 Annual Meeting. Castagna...
2013
Abstract: Multi-spectral Volumetric Curvature Adding Value to 3D Seismic Data Interpretation; #90171 (2013)
Satinder Chopra and Kurt J. Marfurt
Search and Discovery.com
... at the appropriate level in 3D seismic data volumes. Horizon picking can be a challenging task in datasets contaminated with noise and where rock interfaces do...
2013
Abstract: Multi-spectral Volumetric Curvature Adding Value to 3D Seismic Data Interpretation; #90171 (2013)
Satinder Chopra and Kurt J. Marfurt
Search and Discovery.com
... at the appropriate level in 3D seismic data volumes. Horizon picking can be a challenging task in datasets contaminated with noise and where rock interfaces do...
2013
Abstract: Optimum Aperture Length for Improving Dispersion Curve Analysis in CMP Cross-Correlation of Surface Waves; #90187 (2014)
Roohollah Askari, Robert J. Ferguson, and Helen Isaac
Search and Discovery.com
... unwanted coherent event such as first arrivals, higher modes and air waves. Furthermore, MASW is less affected by ambient noise and provides a better signal...
2014
Steps for Improving the Utility of Land Seismic Data for Unconventional Reservoirs
Christof Stork
Unconventional Resources Technology Conference (URTEC)
.... "Removing coherent noise in seismic data through TK or FX filtering." In SEG Technical Program Expanded Abstracts 1993, pp. 1177-1180. Society of Exploration...
2018
A Practical Application of Data-Driven 3D Automatic Fault Extraction for En Echelon Faults: A Case Study from Malay Basin, #11176 (2019).
Tengku Mohd Syazwan Tengku Hassan, Lee Chung Shen, Jimmy Ting and Joseph P. Dominguez
Search and Discovery.com
... of the workflow as the edge detection class attribute is particularly sensitive to noise. The interpretation result can be degraded and misguided by coherent...
2019
High-Resolution Anisotropic Earth Model Building on Conventional Seismic Data Using Full-Waveform Inversion: an Offshore Australia Case Study
Bee Jik Lim, Denes Vigh, Stephen Alwon, Saeeda Hydal, Martin Bayly, Chris Manuel, Dimitri Chagalov, Gary Hampson, Dimitri Bevc
Indonesian Petroleum Association
...-linear inversion problem, it is an iterative process and is repeated as required until the residuals between the modelled shots and the actual observed...
2014
Abstract: Fast and Accurate Impedance Inversion by Well-Log Calibration; #90171 (2013)
Igor B. Morozov and Jinfeng Ma
Search and Discovery.com
... (2) in respect to perturbations in R,i caused by fine layering, mode conversions, and noise. An arbitrary, smoothly varying factor can be applied...
2013
Abstract: Uncertainty in Surface Microseismic Monitoring; #90187 (2014)
Michael Thornton, Mike Mueller, and Leo Eisner
Search and Discovery.com
... compared to the model is due to the need to estimate velocity and static corrections and the presence of coherent noise in real data. In both cases...
2014
Abstract: Full-Waveform Inversion of Field Data in the Foothills: Results and Challenges with Long-Offset Seismic; #90172 (2014)
Andrew J. Brenders, R. Gerhard Pratt, Sylvestre Charles
Search and Discovery.com
... demonstrate that the records possess sub-optimal low-frequency data, dominated by instrument noise. If seismic data are recorded with an appropriately...
2014
Abstract: Interpolation of Aliased Seismic Data in the Curvelet Domain; #90172 (2014)
Mostafa Naghizadeh, Mauricio D. Sacchi
Search and Discovery.com
... coherent noise and imaging the earth interior have stringent sampling requirements which are often not met in real surveys. In order to avoid information...
2014
Seismic Foldout: FWI Imaging Under Complex Geological Anomalies
Adriana Citlali Ramirez, Simon Baldock, Stuart Fairhead, TGS
GEO ExPro Magazine
... and geologically-consistent velocity provided by the 40Hz DM FWI, better resolves the MTC complexity and delineates more coherent, deep events on the FWI Image...
2023
Abstract: A Comparison of Trenched Distributed Acoustic Sensing (DAS) to Trenched and Surface 3C Geophones Daly, Manitoba, Canada; #90224 (2015)
Rob Kendall
Search and Discovery.com
... clear reflection, refraction and coherent noise signal but at a lower signal-to-noise ratio than the geophone data. It was also noted that for our...
2015
Imaging of Shallow Coal Structures Using 2D6C Mini-SOSIE
Shaun Strong, James Alderman, Steve Hearn
Petroleum Exploration Society of Australia (PESA)
... of the base of weathering are often difficult to image using seismic reflection. This is due to low target fold and the presence of noise (both coherent...
2016
Integrated Seismic Attributes Analysis of Naturally Fractured Basement Reservoir: An Approach to Define Sweet Spot for Optimum Well Location and Trajectory
Fithra Harris Darmawan, Trisakti Kurniawan, Azli B Abu Bakar, Tan Han Kee, Nur Hafizah Bt Mangsor-Mansor, Wahyudin B. Nasifi, Randy Condronegoro, Andri Syafriya, Lee Chung Shen, Joe Dominguez
Indonesian Petroleum Association
... hydrocarbon accumulation in fractured basement reservoirs. The analysis starts by removing various coherent noise due to acquisition footprint and seismic...
2017
Retrieving geological signal from full tensor gravity gradiometry data using source body migration
Colm Murphy, Richard Farnell, Chris Bellamy, Alan Morgan
International Meeting for Applied Geoscience and Energy (IMAGE)
... (2014) introduced a self-steering directional filter (SSDF) that separates good signal from noise induced signal when of a similar bandwidth. SSDF looks...
2023
Combined Diving Wave Refraction Tomography and Reflection Tomography for PSDM Velocity Model Building (Bekapai Field, Indonesia)
Andi Kusuma, Florent Bertini, Jacques Bonnafe, Artem Sazykin, Swee Leng Ng
Indonesian Petroleum Association
.... They absorb strongly the seismic energy and lower significantly the signal to noise ratio. Building a reliable velocity model in such areas with short...
2011
Seismic Spectral Signatures of the Badak Oil and Gas Field, Onshore Kutei Basin, Kalimantan, Indonesia: An Example of Seismic Reservoir Imaging and Characterization
Arif Wibowo, Jeff Towart, James Dirstein, Maher Maklad
Indonesian Petroleum Association
...) processing flow. The first step was application of a noise attenuation technique to reduce the levels of coherent and random noise in the data and thus...
1999
Spectral Analysis of the Middle Triassic Latemar Limestone
Linda A. Hinnov, Robert K. Goldhammer
Journal of Sedimentary Research (SEPM)
... and linear trend. Spectral Noise Models We assume that the "signal" of interest in the Latemar series consists of periodic or quasiperiodic components...
1991