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The AAPG/Datapages Combined Publications Database

Showing 7,600 Results. Searched 195,372 documents.

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A Comparative Study of 3-D Noise Attenuation Techniques

Daniel Wheaton, Yendri, Kusnarya

Indonesian Petroleum Association

... and coherent noise are studied. Predictive filtering in the f-x (frequency - space) domain for random noise suppression may be applied post stack as either...

1996

Attenuation of Marine Coherent Noise – A Processing Case History in the East China Sea

Huaien Wang, Liu Guangxin, Curtis E. Hinz, Fred F. C. Snyder

Southeast Asia Petroleum Exploration Society (SEAPEX)

... to use frequency-wavenumber filtering to remove all the low time dip noise events without attenuating the good reflections as well. It is also unacceptable...

1990

Seismic Interpretation I and II--Recent Advances in Seismic Exploration: ABSTRACT

Ray L. Sengbush

AAPG Bulletin

... traveling noise and random noise are additive processes that complete the filter model. Analysis of signal and noise in f-k (frequency-wavenumber) space leads...

1973

Abstracts: Making New with Old: Reprocessing Vintage Seismic Data from the Western Arctic Islands using Modern Methods; #90173 (2015)

Mathieu J. Duchesne, Virginia I. Brake, and Tom Brent

Search and Discovery.com

... not correlate in the time versus distance space between adjacent traces. Local changes in the frequency content are one type of random noise caused...

2015

Q Marine

PESA Staff

Petroleum Exploration Society of Australia (PESA)

...-k filter that is adaptive in those parts of the frequency-wavenumber space that co ntain noise, but fixed in the regions of the f-k space that co...

2000

Abstract: Signal Apparition Simultaneous Source Separation; #90310 (2017)

Johan Robertsson, Dirk-Jan van Manen, Fredrik Andersson, Kurt Eggenberger, Lasse Amundsen, Åsmund Pedersen, Mark Thompson

Search and Discovery.com

... the wavenumber axis in the frequency-wavenumber (f-k) domain that would otherwise not be occupied by any signal. In the non-overlapping diamond...

2017

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

Neda Boroumand and Henry Bland

Search and Discovery.com

... and will demonstrate the effects of noise on microseismic event locations by adding random noise and using frequency filters. Theory and/or Method A hydraulic...

2014

F-xy Cadzow Noise Suppression

Search and Discovery.com

... filtering has previously been applied along constant-frequency slices to remove random noise from 2-D seismic data. Here I extend Cadzow filtering to two...

2013

ABSTRACT: Structural Filter

Dong Liu

Houston Geological Society Bulletin

... with Offset (AVO) while removing random noise. During the filtering process the data’s Signal to Noise ratio can be significantly diminished if the filter...

2012

Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well

Ali Sayed, Francesca Twynam, Ran Bachrach, Philippe Caprioli, Marcus Holloway, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

... with least-squares migration in the image domain. De-Noise Several sources of noise degraded the raw DAS signal, such as random anomalous amplitudes, DAS...

2023

Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)

Lynn Burroughs and Stewart Trickett

Search and Discovery.com

... Noise Suppression: Practise Lynn Burroughs* [email protected] and Stewart Trickett Kelman Technologies, Calgary, Alberta Summary Prestack random-noise...

2013

Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)

Lynn Burroughs and Stewart Trickett

Search and Discovery.com

... Noise Suppression: Practise Lynn Burroughs* [email protected] and Stewart Trickett Kelman Technologies, Calgary, Alberta Summary Prestack random-noise...

2013

Extended Abstract: Seismic Interference Attenuation

Johan-Fredrik Synnevåg, Arne Åsnes

Petroleum Exploration Society of Australia (PESA)

... ere then becomes a process of spike detection and filtering is shown in Figure 3(a) and (b) Five the noise appears random. The noise is then removal...

2010

Subsurface seismic imaging using drill bit noise

Mehdi Asgharzadeh, Ashley Grant, Andrej Bona, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

... of ±700 m/s and with seismic energy in the frequency range of 5 to 30 Hz. The noise created by wind can also be identified in Figure 4 (b) as a linear event...

2019

Abstract: Prestack Rank-Reduction-Based Noise Suppression: Theory; #90171 (2013)

Stewart Trickett and Lynn Burroughs

Search and Discovery.com

... Noise Suppression: Theory Stewart Trickett* [email protected] and Lynn Burroughs Kelman Technologies, Calgary, Alberta Summary Prestack random-noise...

2013

Abstract: Adaptive f-xy Hankel Matrix Rank Reduction Filter to Attenuate Coherent Noise; #90174 (2014)

Nirupama (Pam) Nagarajappa

Search and Discovery.com

... and random noise are present, consider the following model; ( ) ( ), Where H is Hankel matrix for a given frequency and a group of traces...

2014

Structure-and-Amplitude-Preserving Multi-Channel Deconvolution

Search and Discovery.com

... of the incoherent noise. An example of the latter framework are the well known algorithms for noise suppression in the frequency-space domain: FX filtering...

2013

Abstract: 5D Interpolation and Regular Upsampling: Ill-suited or Fit-for-purpose?; #90187 (2014)

Mike J. Perz and Peter W. Cary

Search and Discovery.com

.... On the other hand, there are two factors driving the algorithm towards success: first, simple wavenumber filtering can overcome this assumption...

2014

Abstracts: Application of FX Singular Spectrum Analysis on Structural Data; #90173 (2015)

Alexander Falkovskiy, Elvis Floreani, Gerry Schlosser

Search and Discovery.com

... linear events of constant dips and random noise. Therefore, FX filtering does not work well when the dip varies within the filter width or when...

2015

Poststack Processing Steps for Preconditioning Seismic Data; #42399 (2019)

Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... for getting the data ready for the next step. Usually, these steps are generating partial stacks (that tone down the random noise), bandpass filtering...

2019

Abstract: Application of Multiresolution Analysis in Removing Ground-penetrating Radar Noise; #90171 (2013)

Yih Jeng, Chuan-Hung Lin, Yi-Wei Li, Chih-Sung Chen, and Hsin-Han Huang

Search and Discovery.com

... filtering, a controlled synthetic model study is performed to provide an empirical filter bank for use in reconstructing the signal. Fig. 2a is a noise...

2013

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