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

V. Khatchatrian

Search and Discovery.com

... the same multi-dimensional Fourier regularization technique can be used as a random and coherent noise suppressor. Introduction Converting seismic...

Abstract: Multiple and Noise Attenuation with Tau-P Seismic Data Processing

Leong Lap Sau, Ng Tong San

Geological Society of Malaysia (GSM)

... along ray parameters with semblance reduces non-coherent noise and suppresses spatial aliasing. This is desirable for poor quality data with low SIN...

Abstracts: Fractional Fourier Transform in Coherent Noise Attenuation; #90173 (2015)

K. H. Miah and M. D. Sacchi

Search and Discovery.com

... noise separation using FRFT A synthetic shotgather (Fig. 2) with overlapping spatially coherent linear noise and hyperbolic events is used...

Abstract: Red Sea 2D Transition Zone Reprocessing Case Study; #90254 (2016)

Sergey Kishchik

Search and Discovery.com

... was the dynamic and complex nature of the TZ situated between land and marine environments. This caused the linear, random, and coherent noise levels...

Abstract: Hurrah for Hussah! Analysis of Stacked Data from a Low-frequency Seismic Data Acquisition Experiment at Hussar, Alberta; #90174 (2014)

J. Helen Isaac and Gary F. Margrave

Search and Discovery.com

... to 5 Hz. Some coherent events may be seen below 3 Hz. Are they signal or noise? AAPG Datapages/Search and Discovery Article #90174 CSPG©2014 CSPG/CSEG...

Abstract: An Integrated Approach for AVA Amplitude Friendly Processing; #90319 (2018)

Arun K. Sarkar, Ahmed A. Alghamdi, Gunawan Romli, Ayman Suleiman, Salah Elhagali

Search and Discovery.com

... the processing flow at early stages. This integration process was iterative till the flow became suitable for inversion. Incoherent noise and coherent linear...

Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... (Neelamani et al., 2008) in attenuating linear coherent and random noise. Curvelet is a non-adaptive method for multi-scale object representation...

Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique

Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu

Unconventional Resources Technology Conference (URTEC)

... and the features of OVT seismic data, we can extract reasonable volumes of pre-stack gathers. Then random noise attenuation, linear and curvilinear noise...

Abstract: Noise and its Effect on Microseismic Event Locations; #90174 (2014)

Neda Boroumand and Henry Bland

Search and Discovery.com

... [email protected] Summary Noise can be considered anything that interferes with the desired signal. It is generally divided into coherent...

Abstract: Seismic Noise Removal Whilst Preserving the Amplitude Response, by Tony Rebec and Dimitri Bevc; #90076 (2008)

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Abstract: Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #90310 (2017)

Francesco Perrone, Graham Roberts, Lorenzo Casasanta, Andrew Ratcliffe

Search and Discovery.com

... balanced amplitudes and are also significantly denoised with respect to both the random (speckled) noise and the more coherent (swing) noise...

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

Peter Cary and Changjun Zhang

Search and Discovery.com

... singular-value decomposition (SVD) within localized time-space windows to estimate the ground roll and other forms of coherent noise in the data...

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

Peter Cary and Changjun Zhang

Search and Discovery.com

... singular-value decomposition (SVD) within localized time-space windows to estimate the ground roll and other forms of coherent noise in the data...

4D Finite Difference Forward Modeling within a Redefined Closed-Loop Seismic Reservoir Monitoring Workflow, #41922 (2016).

David Hill, Dominic Lowden, Sonika, Chris Koeninger

Search and Discovery.com

..., and representative random and residual coherent noise models etc. Hence, finite-difference modeling and imaging enables a robust prediction...

First Seismic Survey in Indonesia For The CCS Project Using Vibroseis as a Non-Explosive Seismic Source

Takeshi Kozawa, Nobuhito Shimada, Masami Hato, Alfian Bahar, Awali Priyono, Rachmat Sule, Stevanus P. H. Silban, Toshifumi Matsuoka, Toru Takahashi, Takao Aizawa, Isamu Kuboki, Alphius D. Guntara

Indonesian Petroleum Association

.... • Random noise Attenuation: FX (Frequency Space domain) Prediction filter is used to suppress the random noise. • Linear/coherent Noise attenuation: FX...

Abstract: Multi-component or Vector Dip Filtering Using the S-transform; #90187 (2014)

Kristof De Meersman and Majda Mihoub

Search and Discovery.com

... portion of the coherent noise. Figure 5 contains the local dominant velocity estimates that were used by the filter to estimate the noise. Velocities...

Wave Equation Shot Migration as a Ground Roll Filter.

Francisco Ortigosa, Pedro Muñoz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... models show that this approach depends on the “Signal to Coherent-noise Ratio” of the data. The value of this point is scaled (multiplied...

Attenuation of Residual Multiples and Coherent Noise in the Wavelet Transform Domain, by Tamara Pokrovskaia and Richard Wombell; #90037 (2005)

Search and Discovery.com

Abstract: Getting Something for Nothing: Noise Attenuation in an Aliased World; #90174 (2014)

David C. Henley

Search and Discovery.com

... effective ways to deal with source-generated coherent noise, which often contaminates seismic reflection records, is to record the data in the field using...

ABSTRACT: Quantitative Seismic Analysis Using Noise Abatement in a Tight Sand Horizontal Play; #90133 (2011)

Mike Burnett

Search and Discovery.com

... surveys, although this is starting to change. Coherent noise in the form of source-generated and cultural noise is also a much bigger issue for land...

ABSTRACT: Quantitative Seismic Analysis Using Noise Abatement in a Tight Sand Horizontal Play; #90129 (2011)

Mike Burnett

Search and Discovery.com

... this is starting to change. Coherent noise in the form of sourcegenerated and cultural noise is also a much bigger issue for land-based surveys than...

Application of Lift Technique before Spectral Decomposition to Re-Model Channel Distribution in the Sungai Gelam Field, Jambi

Agi Robby Rizaldi, Firman Fauzi

Indonesian Petroleum Association

... characteristics. Noise is generally classified into two categories, random noise and coherent noise. One of the most complex challenges in seismic...

Multiple Aliasing Problems in Marine Data

P. Chia, C. O. Kuek, P. Ward, K. S. Lee

Geological Society of Malaysia (GSM)

...: Series of linear, steep noise have frequently been observed on post-stack marine data. Such aliased noise is closely associated with data acquired...

Seismic Image Enhancement of the Banyu Urip Carbonate Buildup, Cepu KKS, With Effective Data Denoise and Q-Compensated PSDM

Gene Skeith, Peter Traynin, J. M. Reilly, Mike Rainwater, Parada Devy Silitonga

Indonesian Petroleum Association

... high-effort processing techniques were used to mitigate the surface noise problems (ground roll and linear coherent noise), and to regularize the data...

Abstract: Increasing Seismic Resolution by Decreasing Receiver Spacing; #90171 (2013)

David C. Henley, Kevin W. Hall, Malcolm Bertram, and Eric Gallant

Search and Discovery.com

... techniques which accurately record the coherent noise, with no significant aliasing, thus enabling its effective removal. Our 2D survey imaged the near...