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The AAPG/Datapages Combined Publications Database

Showing 27,586 Results. Searched 195,354 documents.

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A Comparative Study of 3-D Noise Attenuation Techniques

Daniel Wheaton, Yendri, Kusnarya

Indonesian Petroleum Association

...). The combination of these two techniques to suppress coherent and linear noise is evaluated. The results indicate that f-xy filtering is an extremely robust...

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)

.../s. For a source located off the end of the cable, the noise appears as a series of coherent linear events with the dip inversely proportional to the seismic...

1990

Getting Something for Nothing: Noise Attenuation in an Aliased World; #41291 (2014)

David C. Henley

Search and Discovery.com

... sampling and attenuation of linear coherent noise is too small (typically1-2 m) to be considered practical for a particular prospect...

2014

Enhancing the Quality of Seismic Impedance Data; #41961 (2016)

Satinder Chopra, Ritesh Kumar Sharma, Rebecca Daniels, Brian Schulte, Jim Pllishy, Tammy Chow

Search and Discovery.com

... that the amplitudes are not affected. Filtering Out Noise from Seismic Data For coherent noise suppression from seismic data, a class of methods exists wherein...

2016

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

Sergey Kishchik

Search and Discovery.com

..., linear strong amplitude noise suppression, dip median filtering and time-frequency domain noise bursts. The third processing challenge was the static...

2016

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

Nirupama (Pam) Nagarajappa

Search and Discovery.com

... to separate the two. In particular, coherent noise attenuation methods use the dip or velocity and frequency information to separate the noise and signal...

2014

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

Kristof De Meersman and Majda Mihoub

Search and Discovery.com

...Abstract: Multi-component or Vector Dip Filtering Using the S-transform; #90187 (2014) Kristof De Meersman and Majda Mihoub AAPG Search and Discovery...

2014

Volumetric Fault Enhancement Applications; #41869 (2016)

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... for reducing noise and edge enhancement of discontinuities is the structure-oriented filtering with Kuwahara sharpening, which preserves the edges by selecting...

2016

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

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...

2015

Identifying and Fixing Artifacts that Arise in Structure-Oriented Filtering; #42479 (2019)

Satinder Chopra, Kurt Marfurt

Search and Discovery.com

...-cutting coherent noise, leading to not only more effective horizon autotracking, but also subsequent improved attribute volumes. In general...

2019

New Solutions to Old Problems: A Seismic Reprocessing Case History, DC and BQ Fields, Malacca Strait PSC

Charles A. Hinson

Indonesian Petroleum Association

... by coherent noise. The reprocessed version of this line with post-stack tau-p filtering is shown in Figure 6. The coherent noise has been effectively...

1993

Gleaning Meaningful Information from Seismic Attributes

Search and Discovery.com

... discuss the use of some of the procedural steps for noise filtering and dip-steering options for computation of some geometric attributes like...

2013

Abstract: FX Singular Spectrum Analysis; #90171 (2013)

Mauricio D. Sacchi

Search and Discovery.com

... by Trickett (2008). It is important to stress, however, that Cadzow filtering (Cadzow, 1988) is a general framework for noise reduction of signals and images...

2013

Recognition of Subtle Features in Geologic Maps

J. E. Robinson, D. F. Merriam

CSPG Special Publications

... together to form a stack in which the coherent signal is enhanced to that of random noise. A similar concept can be applied to geologic data. Should...

1980

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

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

How to Improve the Definition of Seismic Reflection Data

D. Michon, R. Garotta

Indonesian Petroleum Association

... enable him to evaluate the filtering effect of the noise - Fig. 1. Here is the amplitude response of a linear array of nine geophones. The horizontal...

1979

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