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Showing 33,062 Results. Searched 195,387 documents.
Abstract: Land Demultiple without Velocity Discrimination: Tau-P Deconvolution on High Fold Desert Data; #90211 (2015)
Qiang Li and Shelton Hubbell
Search and Discovery.com
..., including removal of strong linear noise, successful resolution of static problems, and effective random noise attenuation/elimination. After the pre...
2015
Abstract: Pseudo ARMA FX Deconvolution for Seismic Data Noise Reduction; #90174 (2014)
Mike Galbraith and Zhengsheng Yao
Search and Discovery.com
...Abstract: Pseudo ARMA FX Deconvolution for Seismic Data Noise Reduction; #90174 (2014) Mike Galbraith and Zhengsheng Yao AAPG Datapages/Search...
2014
TV Filter Decon Before and After Stack and Effect of Noise on Decon: ABSTRACT
John F. Bradshaw
AAPG Bulletin
... by the sequence in which the deconvolution is carried out (i.e., before or after stacking). The writer examines the effect of additive noise...
1968
Poststack Processing Steps for Preconditioning Seismic Data; #42399 (2019)
Ritesh Kumar Sharma, Satinder Chopra
Search and Discovery.com
.... Beginning with attenuation of random noise using FX deconvolution, the seismic signals in the frequency-offset domain are represented as complex sinusoids...
2019
Multichannel seismic deconvolution via 2D K-SVD and convolutional sparse coding
Guiqian Zhang, Xiayu Gao, Bangli Zou, Yaojun Wang, Yingzhu Chen
International Meeting for Applied Geoscience and Energy (IMAGE)
... deconvolution aims to improve the resolution of seismic data by compressing the filtering effect of wavelets (Robinson, 1967). However, the existence...
2023
Abstract: Recovering Low Frequencies for Impedance Inversion by Frequency Domain Deconvolution; #90224 (2015)
Sina Esmaeili and Gary Frank
Search and Discovery.com
.... The goal of a deconvolution scheme is to remove the effect of the wavelet from seismic traces and then retrieving the earth’s reflectivity Datapages...
2015
Abstract: Focused HiDef Seismic Processing Workflows to Identify Shallow Geohazards Features and Delineate Thin Reservoir in North of Sultanate Oman; #91204 (2023)
Safa Al Maskari, Ahmed Al Harthi, Mohammed Al Isamaili, Siham Al Falahi, Ufoma Akpomeyoma, Nick Benfield, Yahya Al Shereiqi, Fabian Ernst
Search and Discovery.com
... feedback from interpreters and QI geophysicists. Both projects went through revised linear and random noise attenuation steps, assessment...
2023
A Comparative Study of 3-D Noise Attenuation Techniques
Daniel Wheaton, Yendri, Kusnarya
Indonesian Petroleum Association
... stack techniques used to attenuate coherent and random noise in processing of multi-azimuth 3-D seismic surveys. Subsets of two 3-D surveys acquired...
1996
Abstract: Seismic Source Wavelet Estimation and Sparse-spike Deconvolution; #90174 (2014)
Zhengsheng Yao and Mike Galbraith
Search and Discovery.com
..., removing the effect of the source wavelet’s impact on our received traces is of great significance. The deconvolution process involves separation...
2014
Basic Seismic Processing: Part 7. Geophysical Methods
Peter M. Duncan
AAPG Special Volumes
... together to reduce random noise in a process called stacking (Sheriff, 1984). 4. Enhancement of resolution in time: To the extent that the earth...
1992
Post Migration Processing of Seismic Data
Dashuki Mohd.
Geological Society of Malaysia (GSM)
... of predictive deconvolution are to compress the wavelet effect, thus increasing the bandwidth of the seismic data, and to remove any repetitive events...
1994
Abstract: Robust Surface-Consistent residual Statics and Phase Correction Part 1; #90224 (2015)
Nirupama Nagarajappa and Peter Cary
Search and Discovery.com
... deconvolution (Cary et al. 1993) is to attempt to whiten the amplitude spectrum and zero the phase. Due to noise and other factors, we expect that phase errors...
2015
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)
... prior to this type of control. Different techniques were used to attenuate spikes during processing: random noise attenuation, trace equalization...
2006
Parsimonious Deconvolution
Jon F. Claerbout
Southeast Asia Petroleum Exploration Society (SEAPEX)
... high frequency noise. Varimax deconvolution decreases the noise. More realistic estimated filters bτ and further noise reduction can be achieved...
1980
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
... roll and multiple can be seen in shot gather. But several random noise and coherent noise could be better analyzed in common receiver gather...
2017
Amplitude Mapping of Reservoirs in North Africa
Search and Discovery.com
... a relatively smoothly varying phase, but the random noise will only show as erratic phase. The cutoff between the useable frequency and the random...
2013
Abstract: Reflectivity Color Correction in Gabor Deconvolution; #90211 (2015)
Carlos Montana and Gary Margrave
Search and Discovery.com
... of white noise leads to a conventional deconvolution operator that can recover only the white component of reflectivity, thus yielding a distorted...
2015
2012
Application of Robust Noise Reduction on a Land 3D Seismic Data
Agus Abdullah, Jesse Shaw
Indonesian Petroleum Association
... high frequency scatter and nature noises. Keywords: Curvelet, Denoise, Random Noise, Linear Noise, Steep Dip Noise. INTRODUCTION Noise cancelling...
2012
Q Marine
PESA Staff
Petroleum Exploration Society of Australia (PESA)
..., such as stack, bandpass filters, random noise suppression using FX-deconvolution or muting of swell noise contaminated traces followed by interpolation, all...
2000
Abstracts: The Deconvolution of Multicomponent Trace Vectors; #90173 (2015)
Xinxiang Li, Peter Cary, and Rodney Couzens
Search and Discovery.com
... and the transverse component contains only noise, the vector deconvolution operator AAPG Search and Discovery Article #90173 CSPG/CSEG/CWLS GeoConvention...
2015
Abstract: Noise and its Effect on Microseismic Event Locations; #90174 (2014)
Neda Boroumand and Henry Bland
Search and Discovery.com
...Abstract: Noise and its Effect on Microseismic Event Locations; #90174 (2014) Neda Boroumand and Henry Bland AAPG Datapages/Search and Discovery...
2014
Deterministic and Statistical Wavelet Processing
Lee Lu
Southeast Asia Petroleum Exploration Society (SEAPEX)
... energy. It is clear that this will have a stabilizing effect on the solution so obtained. This procedure is often called Wiener-Levinson deconvolution...
1980
Abstracts: Seismic Attributes on Frequency-enhanced Seismic Data; #90173 (2015)
Satinder Chopra, Kurt J. Marfurt, Somanath Misra
Search and Discovery.com
... Arcis Corporation, Calgary, Canada Summary Seismic data are usually contaminated by both random and coherent noise, even when the data have been...
2015